Entries |
Document | Title | Date |
20080224364 | METHOD FOR FLEXING A SUBSTRATE DURING PROCESSING - A method is provided to cause deformation of a substrate during processing of the substrate. The method comprises supporting a substrate on a substrate support in a vacuum chamber for processing; providing backside gas through inlet ports of each of a plurality of groups of ports lying in a respective plurality of areas across the substrate support to a space between the substrate support and the substrate, each of said areas of the substrate support having at least one backside gas inlet port connected to a supply of backside gas and at least one outlet port connected to a vacuum exhaust system; and separately controlling the pressure of the backside gas at different ones of the ports of the plurality to control separately, in areas around the respective ones of said ports, the local pressure force exerted on the backside of the substrate, by separately dynamically controlling at least one valve affecting gas flow to a port of each of said areas while separately dynamically controlling at least one other valve affecting gas flow from the remaining plurality of ports of each of said areas surrounding said port to which gas is introduced. | 09-18-2008 |
20080224365 | SYSTEMS AND METHODS FOR BLADDERLESS TIRE CURING - The disclosure relates to a system for curing tires that does not require a traditional bladder. The system disclosed has a top and bottom assembly ring that is coupled to modified mold rings. The bottom assembly ring has a curing medium delivery system, which has ports and an angular slot device that directs the curing medium in a circumferential direction. The system is adapted for easy installation to existing center post presses. | 09-18-2008 |
20080251975 | MOLDING PROCESSES AND TOOL THEREFOR - A molding process and apparatus suitable for use in molding processes, including rapid prototyping processes and short run production processes. The molding process and apparatus entail the use of a reconfigurable screen tool having a housing defining a manifold cavity and a plurality of substantially parallel pins, each having a head protruding from the housing and a shank protruding into the housing. The heads of the pins define a screen surface through which air is able to flow, for example, through gaps between adjacent heads or through internal passages within the pins. The process further includes axially moving the pins to configure the screen surface, preventing further axial movement of the pins relative to each other, and then drawing a vacuum within the manifold cavity and creating a vacuum at the screen surface. | 10-16-2008 |
20080265470 | Process for Producing Monolithic Hollow Wheels in Resin Reinforced with Fibres and Polymerised at High Pressure, and the Product Obtained - The invention is a new process for producing monolithic hollow wheels in resin reinforced with fibres and polymerised at high pressure, comprising two half-moulds (Sa, Sb) each shaped according to one part of the negative outline of the wheel to be produced, with the respective spokes and hub, one or more tubular plastic bags (G | 10-30-2008 |
20080284066 | INTEGRATED CIRCUIT PACKAGE SYSTEM EMPLOYING RESILIENT MEMBER MOLD SYSTEM TECHNOLOGY - An integrated circuit package system that includes: providing a support structure including a device and an electrical contact adjacent thereto; providing a mold system having a cavity, a recess channel, a recess integrally connected to the recess channel, and a resilient member that cooperatively engages the recess channel and the recess; engaging the mold system and the support structure with the cavity over the device and the resilient member between the device and the electrical contact; and injecting encapsulation material into the cavity. | 11-20-2008 |
20090146347 | Imprint lithography - An imprint template cover for an imprint template having a pattern feature thereon. The cover is configured such that, in use, it extends around the pattern feature of the imprint template, and such that the cover does not contact the pattern feature. | 06-11-2009 |
20090166935 | Method for Producing a Fiber Composite Component for Aerospace - The invention relates to a method and a moulding core for producing a fibre composite component ( | 07-02-2009 |
20090218734 | Tool, Arrangement, and Method for Manufacturing a Component, Component - This application describes a tool, an arrangement, and a method of manufacturing a component. The manufacturing of the component is achieved by a resin transfer from a storage chamber via a transfer line into a working chamber. Before the resin transfer, taking place, for example by a compressed air charging of the storage chamber, the storage chamber is filled with an amount of resin adjusted to the size of the component. furthermore, a semi-finished product, consisting of cut-to-size reinforcement fibers, is inserted into the working chamber that is adjusted to the form of the component to be produced. Storage chamber, transfer line, and working chamber are configured in a one-piece mould casing of the tool. The application further describes a component manufactured by the above-mentioned tool or by the above-mentioned method respectively. | 09-03-2009 |
20090261516 | METHOD AND APPARATUS FOR STEP-AND-REPEAT MOLDING - A method and apparatus for molding a structure on the top surface of a substrate. Mold material is dispensed onto an area of the top surface of the substrate. The mold apparatus is positioned over the area. The mold portion of the mold apparatus is positioned above the mold material and the mold material is surrounded with a shroud of the mold apparatus. A seal is formed between the shroud and the top surface of the substrate. The pressure is reduced within the shroud to below the ambient pressure. The mold portion of the mold apparatus is lowered toward the top surface of the substrate, so that at least the outer edge of the mold portion is in contact with the mold material. The pressure within the shroud is raised to at least the ambient pressure, and the mold material is cured to form the structure. | 10-22-2009 |
20090289397 | Forming Station of Apparatus for Making Packaging - An apparatus and method are provided for forming a sheet of thermoformable stock material into a desired shape on a relatively-small and relatively-inexpensive “table top” version of a thermoforming and/or vacuum forming machine. Unlike conventional machines that utilize external electric or gas powered air compressors and/or separate electric vacuum pumps, the apparatus integrates a compressed fluid/suction generating device within the machine itself so that the need to connect the machine to an external source of compressed fluid or vacuum is eliminated. | 11-26-2009 |
20090309272 | MOULDING DEVICE AND PRODUCTION PROCESS - A production process includes providing an envelope and a mould, introducing the material to be moulded in the mould, placing the mould in the envelope, creating a low pressure in the envelope, and deforming the mould. | 12-17-2009 |
20100109208 | MULTI-SEGMENT TOOL AND METHOD FOR COMPOSITE FORMATION - A multi-segment tool and tooling system for vacuum forming a composite part. A tool can include a first tool having first and second surfaces. A second tool can have an opening positioned on a first tool in a location other than the first surface or the second surface. The first tool and second tool can receive at least a portion of a preform composite. The first tool can have a vacuum barrier attached to the first surface and to the second surface encapsulating the preform composite and the second tool. A tooling system can include a first tool having a core and a base with a core extending upwards from the base. A second tool can be positioned upon the core where the core extends above the second tool. A vacuum barrier sealed to the base and the core can include a composite, the first tool and the second tool. | 05-06-2010 |
20100230869 | VACUUM PRESS MACHINE AND VACUUM PRESS METHOD - A vacuum press machine includes a platen on which a workpiece is placed, an elastic release sheet provided above the workpiece, a frame arranged above the platen and movable toward and away from the platen. The frame urges the release sheet toward the platen with the workpiece therebetween so that a first space, which is air-tightly closed, is formed between the release sheet and the platen when the frame is moved to contact the platen. A portion of the release sheet covering the workpiece presses the workpiece as the first space is vacuumed. After the pressing, the frame is moved away from the platen, and a release sheet conveying mechanism introduces an unused portion of the release sheet to between the platen and the frame, and discharges the used portion of the release sheet from between the platen and the frame. | 09-16-2010 |
20100314807 | METHOD FOR PRODUCING A PROFILE FROM COMPOSITE FIBER MATERIAL - The present invention provides a method for producing a profile from composite fiber material, in particular in the aviation and aerospace field, having the following steps: A preliminary fabric, particularly made of pre-impregnated fiber material, is first packed in a vacuum bag. Then support elements are laid on the packed preliminary fabric to support the latter. The vacuum bag is then supplied with a vacuum. Next, the preliminary fabric is hardened to the profile under the action of heat, in particularly in an autoclave. With the claimed method the support elements can be formed advantageously from favorable material, in particular aluminum, instead of highly expensive nickel-36 steel, since the support elements are uncoupled mechanically from the preliminary fabric in a longitudinal direction by means of the vacuum bag, enabling movement of the support elements in the longitudinal direction relative to the preliminary fabric. | 12-16-2010 |
20110031660 | METHOD OF FORMING A MUFFLER PREFORM - A method of forming a preform product includes filling a mold cavity with glass fibers. The mold cavity has an inlet end, a second end opposite the inlet end, and a longitudinal axis. Suction is applied simultaneously to the mold cavity axially from the second end, and suction is further simultaneously applied radially inwardly from a longitudinal passage within the mold cavity, thereby forming a preform product. | 02-10-2011 |
20110062639 | Process and Apparatus for Vacuum-Assisted Resin Transfer Molding of Very Tall Articles - A method and apparatus for maintaining constant compaction pressure in a vertically oriented resin transfer molding apparatus. | 03-17-2011 |
20110140316 | DYNAMIC BIOACTIVE BONE GRAFT MATERIAL AND METHODS FOR HANDLING - The present disclosure relates to a dynamic bioactive bone graft material and a method of handling the material to prepare an implant. In one embodiment, a method of preparing a dynamic bioactive bone graft implant is provided. The method includes the step of providing a porous, fibrous composition of bioactive glass fibers, wherein the fibers are characterized by fiber diameters ranging from about 5 nanometers to about 100 micrometers, and wherein the porosity of the matrix ranges from about 100 nanometers to about 1 millimeter. The porous, fibrous composition is introduced into a mold tray, and a shaped implant is created using the mold tray. The composition may be wetted with a fluid such as saline or a naturally occurring body fluid like blood prior to creating the shaped implant. In another embodiment, the porous, fibrous composition is provided with the mold tray as a kit. | 06-16-2011 |
20110175261 | METHODS OF MANUFACTURING TAMPER-RESISTANT AND TAMPER EVIDENT CONTAINERS - A tamper-resistant container with tamper-evident features which includes a cover portion defining a peripheral flange, a base portion defining an upper peripheral edge, and a hinge joining the cover portion with the base portion. The upper peripheral edge includes an upwardly projecting bead extending substantially about the perimeter of the base portion that is configured to render the peripheral flange of the cover portion relatively inaccessible when the container is closed. The hinge includes a frangible portion for facilitating the removal of the cover portion from the base portion to open the container. | 07-21-2011 |
20110248431 | THERMOFORMING APPARATUS - A thermoforming apparatus for forming a blank into a composite article. The thermoforming apparatus includes a forming tool. A forming member forms the blank over the forming tool. A first chamber is arranged for containing the blank. A second chamber is separated from the first chamber by the forming member. A first air circulator is configured to circulate air in the first chamber for achieving a heat distribution to the blank. The first air circulator includes a controllable valve member. The apparatus also includes a second air circulator. A method for forming a blank during circulation of air in a first chamber. | 10-13-2011 |
20110260375 | PROCESS FOR MANUFACTURING A PIECE THAT IS MADE OF COMPOSITE MATERIAL AND DEVICE FOR ITS IMPLEMENTATION - A process for manufacturing a piece made of composite material that includes fibers that are immersed in a resin matrix, whereby the piece is placed in a first chamber with at least one flexible wall. The process includes a thermal cycle with essentially a first phase ( | 10-27-2011 |
20110260376 | RESIN TRANSFER MOLDING DEVICE AND RESIN TRANSFER MOLDING METHOD - The present invention relates to an RTM molding device designed to mold a FRP molded body by injecting a resin composition into a mold and by impregnating the molded body therewith. The resin composition is a CCP. A CCP accommodating layer is disposed adjacent to the outer side of the molded body. The layer contains the CCP. The layer is provided with a Vf limit value, the value defined by the curing characteristics of the CCP and the characteristics of dissipation of heat from the CCP into the exterior. A means for separating the molded body is disposed between the body and the layer. | 10-27-2011 |
20110309559 | Shaping and dimensioning of plant material containing cellulose - The invention relates to a method for shaping and dimensioning plant material containing cellulose, according to which the plant material is prepared by at least one extrusion process involving a compression by means of a pressure and temperature increase as well as mechanical processing of the material at an outlet of an extruder ( | 12-22-2011 |
20120056357 | MANUFACTURING APPARATUS AND MANUFACTURING METHOD FOR AN ABSORBENT BODY - A manufacturing apparatus for an absorbent body is provided. The manufacturing apparatus includes: a mold member that includes a mold formed in a depressed shape on a predetermined face and moves the mold along a first direction intersecting a width direction of the predetermined face; a supply duct that is arranged at a predetermined position in the first direction and supply air towards the predetermined face from a supply opening, the air containing a liquid absorbent material; a partitioned-space-forming member that is disposed at a position opposite to the supply opening with the predetermined face in between, and that forms a partitioned closed space together with the predetermined face; and an air intake duct that sucks air in the closed space from a suction opening in order to set a pressure in the closed space to negative pressure. When the mold passes a position of the supply opening, the air in the supply duct is sucked from a suction hole of a bottom section of the mold to the closed space and the liquid absorbent material in the air is deposited into the mold, and thereby the absorbent body is formed. The suction opening of the air intake duct is arranged opposite to the predetermined face in the closed space. Concerning at least a portion that is included in the air intake duct and is housed in the closed space, a central-axis direction of the portion has a component parallel to a moving direction in which the mold is moving at a central position of the suction opening. | 03-08-2012 |
20120061886 | MOLDING APPARATUS AND MOLDING METHOD - The present invention provides a molding apparatus by which it is possible to make a frame located around a mold contact thermoplastic resin. In the molding apparatus of the present invention, the thermoplastic resin extruded from an extruding machine in a sheet form is adsorbed onto a cavity surface of the mold. As a result, the thermoplastic resin is shaped into a shape according to the cavity surface. The molding apparatus includes a frame that is positioned around the mold and is movable relative to the mold. In the frame, a suction part to suck the thermoplastic resin is provided. | 03-15-2012 |
20120168994 | MOLDING DEVICE AND METHOD FOR MOLDING A NUT INTO A COVER - A method for molding a nut into a cover of an electronic device is provided. The nut includes a chassis defining a threaded blind hole therein. The method includes the following steps: providing a core mold, the core mold including a molding surface and a recess defined in the molding surface; placing the nut on the core mold with the chassis fittingly engaged in the recess; creating a negative pressure within the recess to firmly secure the chassis in the recess; attaching a cavity mold to the core mold, the cavity mold and the core mold cooperatively forming a molding cavity receiving the nut therein; and injecting molding material into the molding cavity to form the cover with the nut embedded therein. A molding device for molding the nut into the cover is also provided. | 07-05-2012 |
20120175823 | SYSTEM AND PROCESS FOR CREATING AN EXTRUDED POLYPROPYLENE PERIMETER EXTENDING FRAME FOR A VEHICLE HEADLINER HAVING DYNAMIC FRACTURE CAPABILITIES TO REDUCE INJURY - A system and process for forming an impact absorbing vehicle headliner extrusion including feeding a viscous polymeric material to an extrusion chamber, introducing a vacuum into an interior of the chamber, progressively forming the material into an extruded shape by subsequently passed through a series of sizer dies positioned at communicating interior locations along the chamber, and drawing an extruded profile out of the chamber prior to bending and forming into an overall closed profile. Pluralities of structural supporting ribs are formed within an open interior of the extruded profile. The chamber is separated into a front vacuum tank incorporating a first plurality of sizer dies and an interconnecting rear vacuum tank incorporating a second plurality of sizer dies for assisting in the formation of the ribs within a hollow interior profile associated with the extruded article. | 07-12-2012 |
20120175824 | Method of and Apparatus for Making a Composite Material - The invention discloses a method of making a composite material comprising the steps of: positioning dry fabric reinforcement around at least part of a tool; hermetically sealing a vacuum bag around the dry fabric reinforcement and the tool; creating pressure differential between the inside of the vacuum bag and the outside of the vacuum bag such that the pressure within the vacuum bag is less than the pressure outside the vacuum bag; introducing resin into the dry fabric reinforcement; and curing the resin. The invention further discloses apparatus for making a composite material in accordance with the method. | 07-12-2012 |
20120193840 | METHOD OF MANUFACTURING SOLID SOLUTION PERFORATOR PATCHES - Provided are methods for fabricating and manufacturing solid solution perforators (SSPs) using sharp metal and subsequent molding and use. The methods entail making microneedles by precision machining techniques and micromold structures from plastic materials. Various designs of patch are described. | 08-02-2012 |
20120228810 | METHODS FOR FABRICATING POLYMER-BIOCERAMIC COMPOSITE IMPLANTABLE MEDICAL DEVICES - Methods relating to polymer-bioceramic composite implantable medical devices are disclosed. | 09-13-2012 |
20120235329 | CONTINUOUS MOTION ROTATING THERMOFORMING OF SOLUBLE POUCHES - Soluble pouches are formed on a continous motion rotating thermoforming machine having cavities in the surface of a drum into which a web of polymeric film is drawn by a vacuum to form pockets. The pockets are filled with one or more components and closed by a further web of polymeric film. Shrink-back of the polymeric film within the cavities is reduced by heating the cavities with heaters. | 09-20-2012 |
20120242013 | Shaping Device of PU Three-dimensional Objects and Its Shaping Method Thereof - The invention relates to a shaping device of PU three-dimensional objects, including an external mold and an internal mold; the foresaid PU three-dimensional objects shaping device also includes a shell, wherein the outer wall of the foresaid shell installs with an evacuating valve; the foresaid external mold has air vent, and the size of the outer wall of the foresaid external mold is smaller than the size of the inner wall of the foresaid shell; the foresaid external mold installed insider the shell; the seams of the foresaid external mold and the edge of the shell is gas-tight sealed; the foresaid internal mold installed insider the foresaid external mold. When using the foresaid shaping device to work, we need to cover a layer of TPU film at the opening of the external mold, then start the evacuating equipment to extract the air between the installation gap of the shell and the external mold, in order to let the TPU film attach to the inner wall of the external mold, then we add the raw materials, and then install the internal mold to start the foaming process. By adopting the shaping device and its method, one foaming process could come out the finished products of PU three-dimensional objects, for which there is no need for the other working procedures, and it could obviously enhance the production rate, save the labor hour and decrease the production cost. | 09-27-2012 |
20120274006 | IMPRINT APPARATUS, IMPRINT METHOD, AND METHOD FOR PRODUCING DEVICE - An imprint apparatus for transferring a pattern to an imprint material using a mold includes a substrate holding mechanism and a control unit. The substrate holding mechanism is configured to be divided into a plurality of areas, capable of varying an attracting force for attracting the substrate in each of the areas and to hold the substrate. The control unit is configured to, when a plurality of shots is formed on the substrate, control an imprint operation of transferring the pattern to the plurality of shots which are not adjacent to one another, makes the attracting force in the area of the substrate holding mechanism corresponding to the shot to which the pattern is transferred among the plurality of areas smaller than the attracting force at the time of the imprint operation and suck the substrate. | 11-01-2012 |
20120286458 | Apparatus For A Mold Vacuum System And Method Of Forming A Polymeric Sheet Utilizing The System - A method and an apparatus to form a sheet of polymeric material have first and second mold haves which clamp together on a polymeric sheet. A vacuum mechanism draws the sheet into an interior space. The vacuum mechanism has a plurality of controllable vacuum ports positioned about the interior space to direct the vacuum at specific portions of the sheet. Also, the sensing mechanism determines the draw depth of the sheet. | 11-15-2012 |
20130049267 | DECORATIVE SHEET AND IN-MOLD FORMING METHOD - Provided are a decorative sheet having stretchability and heat resistance and an in-mold forming method capable of forming in-mold injection formed products having an excellent decorative image. | 02-28-2013 |
20130056914 | METHOD FOR PRODUCING A WIND TURBINE ROTOR BLADE PART WITH A PREFABRICATED MAIN SPAR CAP - Method for producing a wind turbine rotor blade part with a prefabricated main spar cap, comprising the following steps: providing a mold having a blade-root end and with a blade-tip end, inserting at least one outer root reinforcement layer ( | 03-07-2013 |
20130069286 | INFUSION METHOD AND A SYSTEM FOR AN INFUSION METHOD - Disclosed is an infusion method for the manufacture of a fibre-reinforced composite component with semi-finished textile products in an open moulding tool, in which at least one local gas reception space is designed for the reception of volatile substances, such as resin gases and residual air contained in the matrix material and/or in the system, which gas reception space is blocked off from the matrix material by a local semi-permeable membrane; also disclosed is a system for the execution of such a method. | 03-21-2013 |
20130087955 | DEVICE FOR MANUFACTURING A CASING MADE OF A COMPOSITE MATERIAL AND MANUFACTURING METHOD USING SUCH A DEVICE - A device for manufacturing a fan casing of a turbomachine made of composite material, in which a mold includes a cylindrical body of lengthways axis and side flanges, and in which a counter-mold includes a cylindrical body and side counter-flanges. The counter-flanges are configured to be attached securely to the flanges, the body of the mold and the body of the counter-mold are concentric, the preform is configured to be positioned between the body of the mold and the body of the counter-mold, and the material of the body of the mold has an appreciably higher expansion coefficient than that of the body of the counter-mold. | 04-11-2013 |
20130093127 | DEVICE FOR GENERATING A HOLLOW PLASTIC PROFILE - A device for generating a hollow plastic profile, in particular a plastic tube, having an air guidance system for interior cooling of the tube, wherein said device allows for a more simple design, improved process properties, and better tube quality. The device according to the invention comprises an extrusion die ( | 04-18-2013 |
20130099426 | INFUSION METHOD AND FLOW AID - Disclosed is an infusion method for the manufacture of a fibre-reinforced composite component with a flow promoter | 04-25-2013 |
20130099427 | METHOD AND DEVICE FOR PRODUCING A COMPOSITE MOLDED PART FROM FIBER-REINFORCED PLASTIC - A method for producing a composite molded part from fiber-reinforced plastics material includes providing a prepreg semi-finished product including fibers that are pre-impregnated with a matrix material and encasing the semi-finished product with a flexible sheet material to form an inner arrangement. The flexible sheet material includes a gas-permeable membrane and an inner planar gas-conducting element. The inner arrangement is encased with a first gas-tight casing and positioned on a molding surface of a mold. The inner arrangement and molding surface is encased with a second gas-tight casing. A first negative pressure is applied to the inner planar gas-conducting element and the inside of the first gas-tight casing, and the entire arrangement is heated for a first time at a first temperature. A second negative pressure is applied to an inside of the second gas-tight casing and the entire arrangement is heated for a second time at a second temperature. | 04-25-2013 |
20130099428 | Composite Material and Method for Making - This invention relates to an improved method for making composite structures by dispersing a high tenacity fiber such as aramid in a polymeric matrix to form a premix, combining the premix with a natural fiber such as wood flour and extruding the resulting mixture through a fiber alignment plate and die such that the fibers are substantially aligned in the flow direction of the extrudate. | 04-25-2013 |
20130099429 | Mold for Producing Fiber-Reinforced Components - A mold for a production device for production of fiber-reinforced components by means of an injection process is provided. The mold has a mold surface to form a surface of the fiber-reinforced component, the mold surface having a first partial area and a second partial area and in which the mold has an injection area for injection of matrix material into fibrous material situated on the mold surface through the second partial area of the mold surface and evacuation area for evacuation of a mold volume bounded by the mold through the first partial area of the mold surface. | 04-25-2013 |
20130106029 | Fabrication of High Energy Density Battery | 05-02-2013 |
20130154165 | Vacuum Forming Method for Leather Product - A vacuum forming method for a leather product, comprising the following steps: making a mold; heating a raw material of the leather product to a predetermined temperature and placing the raw material on a surface to form a pattern on the raw material, the pattern formed on the raw material corresponding to a pattern of the mold surface, wherein the raw material is disposed under a vacuum forming condition; and cooling the raw material of the leather product for making the leather product; wherein the predetermined temperature is between 150° C. to 200° C.; the vacuum forming condition is between 350 mmHg-700 mmHg for a vacuum degree. The present invention provides an easy manufacturing technique, which uses an easy-to-produce mold to form the leather product in one process, thereby providing the leather product with high emulation and high production efficiency. | 06-20-2013 |
20130161879 | METHOD FOR RESIN MOLDING AND RESIN MOLDING APPARATUS - The method is capable of resin-molding one side face of a work in a molding die set, in which the work is sucked and held on at least one of clamping faces and resin-molded in a cavity concave section. The method comprises the steps of: sucking and holding a release film which covers at least one of the clamping faces of the molding die set; setting the work in the molding die set; sucking the other side face of the work through a work sucking hole of the release film, which is formed before or after holding the release film, so as to hold the work on the clamping face; closing the molding die set so as to clamp the work; and pressurizing and heating the resin, which has been accommodated in the cavity concave section, with resin. | 06-27-2013 |
20130175740 | METHOD FOR PRODUCING FIBER-REINFORCED PLASTIC - A method of producing fiber-reinforced plastic uses a molding die which includes a resin filling port at one end; a resin suction port at the other end; a laminate body of a plurality of laminated fiber-reinforced base materials and housed in the inner space of the molding die; a resin diffusion medium extending from the resin filling port and provided on opposite surfaces of the laminate body to supply resin onto opposite surfaces of the laminate body from the resin filling port; and a resin suction medium extending from the resin suction port and provided along a side surface of the laminate body on the suction port side to contact the side surface or to have a gap from the side surface, in a state that gas or resin can be suctioned from the laminate body so that the gas or resin can be moved from the laminate body toward the resin suction port. | 07-11-2013 |
20130181382 | Use of a Polyvinyl Alcohol Sheet in a Thermoforming Process for Manufacturing Containers - Use of a poly(vinyl alcohol) sheet having either i) a thickness of at least 200 μm as a substrate having a reduced tendency to shrink back compared with the same poly(vinyl alcohol) sheet having a lesser thickness in a thermoforming process or ii) having a thickness of no more than 200 μm as a substrate in a vacuum forming process, to produce a pocket in a mould, wherein the mould comprises at least one protrusion or depression on at least one surface and further wherein any protrusion does not extend to or above the upper surface of the mould is provided. Also provided is process of producing a rigid pocket by a thermo-forming process or a non-rigid pocket by a vacuum-forming process. | 07-18-2013 |
20130187314 | Manufacturing A Composite - An apparatus and method for manufacturing a composite is provided. A bottom release layer is disposed within a cavity of a volumetrically restraining body structure for supporting a cast material. An air bag is disposed between the bottom release layer and one or more surfaces of the volumetrically restraining body structure within the cavity. An air compressor connected to the air bag pressurizes the air bag. The pressurized air bag compresses the cast material against the bottom release layer. The resin inlets disposed on the cast material infuse resin into the cast material. A vacuum outlet insertably connected in the cavity of the volumetrically restraining body structure, in communication with the cast material, draws a vacuum through the cast material and draws the resin into the cast material. The compression of the cast material reduces excessive resin rich areas in the composite created from the resin infused cast material. | 07-25-2013 |
20130207320 | FILM IN-MOLD INJECTION MOLD DEVICE AND MOLDING METHOD USING THE SAME - A film in-mold injection mold device, including: a first mold that has an injection port configured to inject a molding material; and a second mold that is configured to face the first mold and has a sucking mechanism configured to suck a film to be supplied at a time of molding, wherein the second mold has a movable protruding part configured to touch, when the film is sucked, the film before the film touches an outer periphery edge part of a concave part which is formed on the second mold depending on a shape of an article to be molded, so as to temporarily ensure a space between the outer periphery edge part and the film. | 08-15-2013 |
20130207321 | METHOD FOR MANUFACTURING A FIBRE REINFORCED COMPOSITE - A method for manufacturing a fibre reinforced composite is provided. Fibre material is connected together by a thread, wherein the thread has material which at least partly degrades before the manufacturing of the fibre reinforced composite is finished. | 08-15-2013 |
20130221583 | APPARATUS FOR MOLDING COMPOSITE MATERIALS - A method and apparatus for shaping, compacting, and supporting a composite material (C) contained between two flexible membranes (G, F) and capable of being stretched over a porous mold (A) are described. The apparatus enables the use of inexpensive mold despite the high pressures used. A counter-mold (M) having the same characteristics as the mold can be used in certain instances. The equipment enables the use of a plurality of molds and counter-molds during one manufacturing cycle. | 08-29-2013 |
20130234373 | METHOD AND MANUFACTURING DEVICE FOR MANUFACTURING A FIBER COMPOUND SANDWICH COMPONENT - The invention relates to methods and to a manufacturing device for manufacturing a sandwich component. A semifinished product arrangement is soaked with a flowable matrix material, for example a resin, in particular by an infusion method. By using the method of the invention, inherent tensile stresses introduced by the respective method and remaining in the sandwich component to be manufactured are reduced, and moreover the risk of crack formation in the course of the process, afterwards and during operation of the sandwich component is minimized. | 09-12-2013 |
20130264751 | METHOD OF MANUFACTURING RESIN INFUSED COMPOSITE PARTS USING A PERFORATED CAUL SHEET - Resin infused composite parts are fabricated using a caul sheet having perforations therein for optimizing the flow of resin through the parts. The method allows for a simplified tooling and consumable arrangement for complex parts while achieving a smooth, aerodynamic caul-side or bag-side finish. The component may be placed in direct contact with a tool, and the caul sheet may be placed in direct contact with the component thereby eliminating the necessity for consumables between these items. | 10-10-2013 |
20130277893 | MICROTITRE PLATE - A method of manufacturing a microtitre plate with wells having transparent bottoms, where the microtitre plate includes at least one physical deformation between at least two adjacent wells. | 10-24-2013 |
20130292885 | METHOD, PREFABRICATED STRUCTURAL ELEMENT AND MOLD FOR MAKING A WIND TURBINE MEMBER - A method for making a wind turbine member wherein a plurality Of components are arranged in a mold. The inner side of the mold determines a surface of the wind turbine member. The components are connected to one another. At least one of the components is a prefabricated structural element which has a fixed geometry with an outer surface. The prefabricated structural element has a positioning projection protruding out of the outer surface and the mold has, on its inner side, a positioning receptacle. The positioning projection is inserted positively into the positioning receptacle to determine the disposition of the prefabricated structural element in the mold. | 11-07-2013 |
20130292886 | METHODS FOR MANUFACTURING MICROPROJECTION ARRAYS - Methods for the manufacture of a microprojection array are provided. In the methods, a formulation is introduced into cavities of a microprojection array mold by means that achieve a uniform amount of formulation retained in each cavity. | 11-07-2013 |
20140001681 | Methods and Apparatuses for Consolidating Elastic Substrates | 01-02-2014 |
20140001682 | METHOD FOR PRODUCING A FIBER COMPOSITE COMPONENT, AND A TOOL ARRANGEMENT FOR SAME | 01-02-2014 |
20140027960 | METHOD FOR MANUFACTURING COMPOSITE MATERIAL - A reinforced fiber base material is placed on a forming die having a concave part and fixed to the forming die by at least a pair of fixing members disposed on either side of the concave part so as to form a gap between the reinforced fiber base material and a bottom surface of the concave part of the forming die. Subsequently, the reinforced fiber base material fixed to the forming die is covered by a bag film, a forming space that is formed between the forming die and the bag film is decompressed, and a matrix resin is allowed to flow inside the decompressed forming space. The matrix resin is then hardened so as to obtain a composite material in which the reinforced fiber base material and the matrix resin are integrally formed. | 01-30-2014 |
20140054831 | Tooling for Manufacturing a Unit Dose Pouch - Tooling for manufacturing one or more unit dose pouches including a mold, with a cavity formed within the mold and a divider removably fixed within the cavity to vary the volume of the cavity. The divider includes a sealing surface for sealing material disposed in the cavity. The sealing surface may extend between the walls of the cavities to create a multiple compartment unit dose. Alternatively, the sealing surface may form a decorative seal pattern in the pouch without separating the unit dose into compartments. The removably fixed divider may be replaced with other dividers having different sealing surfaces without the need for the user to change the mold or cavity itself. | 02-27-2014 |
20140117593 | SYSTEM AND METHOD FOR FACILITATING FLUID MOVEMENT IN CLOSE-MOLDED COMPOSITE PARTS - A vacuum bagging system may include a layer assembly defining a fluid flow channel. The layer assembly may include a contact layer mounted to a composite part positionable within an outer mold line (OML) tool. The contact layer may have a contact layer width defined by opposing contact layer side edges. The layer assembly may further include an inner layer mounted to the contact layer and having inner layer side edges located between the contact layer side edges. The fluid flow channel may extend along at least a portion of the composite part to at least one part end. The vacuum bagging system may include an internal vacuum bag positionable against the inner layer. An inner mold line (IML) tool may support the internal vacuum bag. The contact layer width may be less than an IML tool width. | 05-01-2014 |
20140124990 | CONTINUOUS MOTION ROTATING THERMOFORMING OF SOLUBLE POUCHES - A method of making a pouch from webs that include soluble polymeric substrates includes, among other steps, rotating a former that includes a plurality of cavities around its periphery and one or more heaters around the former for heating the cavities and heating the cavities. A base web is drawn into the cavities with a vacuum to form pockets in the base web, after which the pockets are filled and closed. | 05-08-2014 |
20140191446 | METHOD OF FORMING INSULATING ARTICLES WITH REDUCED THICKNESS VARIATION - In one or more embodiment, a method is provided for forming an insulating article from an insulating material having a first thickness, the method including the step of: compressing the insulating material to form a compressed insulating material having a second thickness smaller than the first thickness; and subsequent to the step of compressing, subjecting the compressed insulating material to a vacuum to form the insulating article. | 07-10-2014 |
20140191447 | SYSTEM FOR MANUFACTURING COMPOSITE MATERIAL BY VACUUMING AND RESIN INJECTION AND THE METHOD FOR MANUFACTURING THE SAME - A method for manufacturing composite material by vacuuming and resin injection includes the steps of starting with placing and sealing a fiber substance into a mold. The mold is pumped by a vacuum pumping device, and a pressure tank containing resin is pumped by a vacuum pumping device. After the pressure tank and the mold reaching predetermined vacuum conditions, a valve between the vacuum pumping device and the mold and a valve between the vacuum pumping device and the pressure tank are closed. A valve between the pressure tank and the mold is thus opened. Resin inside the pressurized pressure tank is pushing into the mold. After the mold reaching a predetermined pressure, a heater is turned on to heat the resin and fiber for thermosetting process. The heater is turned off after a predetermined reaction condition being reached, and a cooler is thus turned on to cool the mold. | 07-10-2014 |
20140197582 | PRESSURE MAINTAINING DEVICE FOR CREATING COMPOSITE COMPONENTS BY INJECTING RESIN AND ASSOCIATED METHOD - A pressure maintaining device for a resin injecting system, including a first chamber that can be connected to a pressurizing device and is able to be connected to a vacuum generating device; a second chamber that can be connected to a resin injection network of the injection system by a resin injection pipe and a resin outlet pipe, the first chamber and the second chamber being arranged so that the one is unable to leak into the other; a flexible body able to transmit pressurizing of the first chamber to the second chamber so as to apply pressure to the injection network of the injection system; a perforated rigid plate able to limit the deformation of the flexible body when the vacuum is created in the first chamber. | 07-17-2014 |
20140217651 | PRESSURE SENSITIVE FLOW DISTRIBUTION MEDIUM FOR VARTM - A method for manufacturing a fibre reinforced composite by means of a vacuum assisted resin transfer moulding, comprising the steps of placing a fibre material in a mould, placing a flow distribution medium onto the fibre material, and covering the fibre material and the flow distribution medium with a vacuum foil for forming a closed mould cavity between the mould and the vacuum foil is described. It is characterised in using a flow distribution medium with a thickness depending on a pressure gradient over the vacuum foil. | 08-07-2014 |
20140217652 | METHOD AND DEVICE FOR MANUFACTURING A CYLINDRICAL PART FROM COMPOSITE MATERIAL - A method for manufacturing a cylindrical part from composite material, and a molding device to implement the method, the method including: installation of a fibrous structure on a horizontal mandrel; formation of an annular enclosure for molding around the fibrous structure and the mandrel; supply of the enclosure with resin via a first axial end, while keeping a second axial end of the enclosure at a pressure lower than a supply pressure of the resin. The second end includes at least two sectors of vents in a form of ring sectors, each being independently kept at a pressure lower than the supply pressure. | 08-07-2014 |
20140232046 | PROCESS FOR MANUFACTURING AN OBJECT FROM A SOL-GEL SOLUTION - A process for manufacturing an object made of a constituent material obtained from a sol-gel solution, the process including, successively: a) introducing the sol-gel solution into a mold of the object to be manufactured; b) gelling the sol-gel solution; c) drying the gel obtained in b) in the mold, by which the gel is converted into the constituent material of the object, wherein the mold includes a closed chamber and includes a material configured to allow evacuation of gases formed during b) and/or c). | 08-21-2014 |
20140252692 | PRESSURE-MAINTENANCE DEVICE FOR PRODUCING COMPOSITE PARTS BY RESIN INJECTION AND ASSOCIATED METHOD - A pressure-maintenance device for a resin injection system including an injection network connected to an injection mould, includes a pressurisation device adapted to inject a pressurised gas into a channelling; a first connector adapted to be connected to the resin injection network and adapted to be connected to the channelling; a second connector adapted to be connected to the injection mould of the injection system; the first connector being connected to the second connector by a pressure-maintenance channelling adapted to receive the gas injected under pressure. | 09-11-2014 |
20140306385 | VACUUM FORMING REGULATOR BAG - A vacuum-forming system for deforming a forming blank is disclosed. The system includes a tool and at least one regulator bag disposed adjacent to the tool. The regulator bag includes a sealed bag having an exterior and an interior and a first volume and a defined passage from the interior to the exterior of the regulator bag. The passage is configured such that the regulator bag has a rate of deflation wherein the sealed bag will deflate from the first volume to a second volume over a determined period of time while the exterior of the sealed bag is at a determined reduced pressure. The system also includes a vacuum membrane coupled to the tool, the membrane configured to form a vacuum space enclosing the forming blank and the at least one regulator bag. | 10-16-2014 |
20140327190 | VACUUM BAG MOLDING ASSEMBLY AND METHODS - An assembly for vacuum bag molding includes a mold for receiving a workpiece. An edge breather comprising a plurality of braided polymer threads is disposed about a periphery of the workpiece. A vacuum bag film is disposed over the workpiece and the edge breather. A seal seals the vacuum bag film to the mold and a passageway in fluidic communication with the edge breather. | 11-06-2014 |
20140361467 | METHOD AND DEVICE FOR MOLDING FIBER-REINFORCED PLASTIC MEMBER - A method for molding a fiber-reinforced plastic member involves disposing a reinforced-fiber base material | 12-11-2014 |
20140361468 | METHOD FOR MANUFACTURING A COMPOSITE USING A DEGRADABLE MEMBRANE - A method for manufacturing a composite is provided herein, including laying at least one reinforcement layer onto the inner surface of a mould, positioning a degradable membrane onto the outermost reinforcement layer of the at least one reinforcement layer, applying suction between the inner surface of the mould and the degradable membrane to press the at least one reinforcement layer towards the inner surface of the mould, covering the degradable membrane with at least one vacuum film, generating a vacuum in the region between the vacuum film and the mould, injecting resin into this region by means of vacuum, and letting cure the resin, initiating a degradation of the degradable membrane by provoking a physical or chemical change of the membrane material after having generated a vacuum in the region between the vacuum film and the mould and before the resin has cured completely. | 12-11-2014 |
20140361469 | COMPOSITE SHEET HAVING A CORE HAVING END WALLS AND A MAT WITH FIBERS - This invention relates to a composite sheet and a method of making a composite sheet. A core having end walls is provided. Continuous fibers or a continuous fiber mat is secured to the core such that the continuous fibers align with the end walls of the core. Various manufacturing methods are disclosed. | 12-11-2014 |
20150008624 | Vacuum Bag Processing of Composite Parts Using a Conformable Vacuum Bag Assembly - A vacuum bag assembly is used to process the composite part. The vacuum bag assembly includes a stretchable vacuum bag attached to a stretchable breather. | 01-08-2015 |
20150014898 | DEVICE AND METHOD FOR PRODUCING A MOULDED PART FROM A COMPOSITE MATERIAL - The invention concerns a device ( | 01-15-2015 |
20150028525 | Granulated Material Used In A Liquid Composite Moulding Process - A system for liquid composite moulding includes a first rigid tool part onto which a semi-finished fiber material is positioned, a first vacuum foil arrangeable on the first rigid tool part to provide a first gastight chamber therebetween having a first port, a second vacuum foil and the first vacuum foil providing a second gastight chamber, and granulated material arranged in the second gastight chamber. The semi-finished fiber material is infusible with a matrix material via the first port. A second port is provided at the second gastight chamber for applying a negative pressure thereto. Therein, the granulated material is adapted for forming a second rigid tool part when negative pressure is applied to the second port. I.e. the first vacuum foil, the second vacuum foil and the granulated material function similarly to a vacuum mattress and may be stiffened and collapsed. | 01-29-2015 |
20150035208 | SEALING MEMBER FOR VACUUM SUSPENSION PROSTHETIC DEVICE - A method for creating an improved sealing member for use with a vacuum suspension prosthetic device, with the sealing member located along the top edge of a stump socket and made of a pliable material to provide an improved seal between the stump and the socket in order to maintain vacuum levels within the socket and to minimize cutting or tearing of the stump liner. | 02-05-2015 |
20150054207 | METHODS FOR MAKING INTERIOR PANELS FOR MOTOR VEHICLES - Methods for making interior panels are provided. In one example, a method for making an interior panel comprises the steps of heating a fiber reinforced composite blank to form a heated fiber reinforced composite blank. The heated fiber reinforced composite blank is compression molded to shape and cool the heated fiber reinforced composite blank. The heated fiber reinforced composite blank is pierced with a plurality of pins during compression molding to form a shaped, perforated fiber reinforced composite substrate. | 02-26-2015 |
20150069672 | FAST NANOIMPRINTING METHODS USING DEFORMABLE MOLD - Methods for nanoimprint lithography using a deformable mold. Generally, the method includes a deformable mold fixed firmly onto a hollow mold holder around its full periphery is attached to top inner surface of the chamber and positioned underneath the transparent section. The central area of the mold is freely accessible from underneath through the opening of the mold holder. At beginning of the imprinting, the substrate with a layer of resist is positioned underneath the mold at a predetermined gap between them and a substrate is moved up to contact with the mold either under vacuum or under atmosphere. After consolidating the resist, the substrate is separated from the mold by either direct pull-down enabled by stage movement or deforming the mold enabled by differential pressure between the mold mini-chamber and the bulk volume of the chamber, or mixing of both. | 03-12-2015 |
20150097320 | Method for Producing a Fibre Composite Component by Means of a Vacuum Build-Up, and Use Therefor - A fiber composite component is made by infiltrating and curing at least one textile component preform that is placed on a molding tool surface and covered with an air-tight covering and on which pressure is exerted, in at least one stage of production, by evacuating a vacuum chamber between the molding tool surface and the air-tight covering. The air-tight covering is formed from a resin film. | 04-09-2015 |
20150123323 | WIND TURBINE BLADE SEGMENT AND METHOD OF MANUFACTURING THE WIND TURBINE BLADE SEGMENT - A method of forming a wind turbine component, the method including forming a segment ( | 05-07-2015 |
20150145182 | PRESS MOULDING METHOD - A method of press moulding a moulding material to form a moulded part of fibre-reinforced resin matrix composite material, the method comprising the steps of:
| 05-28-2015 |
20150290846 | IMPRINT APPARATUS, IMPRINT METHOD, AND METHOD FOR PRODUCING DEVICE - An imprint apparatus for transferring a pattern to an imprint material using a mold includes a substrate holding mechanism and a control unit. The substrate holding mechanism is configured to be divided into a plurality of areas, capable of varying an attracting force for attracting the substrate in each of the areas and to hold the substrate. The control unit is configured to, when a plurality of shots is formed on the substrate, control an imprint operation of transferring the pattern to the plurality of shots which are not adjacent to one another, makes the attracting force in the area of the substrate holding mechanism corresponding to the shot to which the pattern is transferred among the plurality of areas smaller than the attracting force at the time of the imprint operation and suck the substrate. | 10-15-2015 |
20150290850 | INJECTION MOLDING METHOD AND INJECTION MOLDED ARTICLE - Provided are an injection molding method to control the orientation of a filler (a) and an injection molded article using the same. An injection molding method including using a mold (11) arranged with a first gap (11) and a pulling mechanism (15) arranged in a second gap (13) connected to the first gap, the method includes placing the pulling mechanism so that a apace is not created between the first gap and the pulling mechanism, and filling a molding material (3) containing a filler in the first gap of the mold, and when the molding material flowing from a first direction of the first gap and the molding material flowing from a second direction different from the first direction are in close contact, pulling a part of the molding material into the second gap by pulling the pulling mechanism. | 10-15-2015 |
20150328827 | IMPRINT APPARATUS AND ARTICLE MANUFACTURING METHOD - An imprint apparatus includes a substrate holder configured to hold a substrate, wherein the substrate holder includes a plurality of holding areas arranged in a predetermined direction and wherein shapes of the plurality of holding areas are defined to be capable of holding a first substrate in a first external diameter and a second substrate in a second external diameter different from the first external diameter. | 11-19-2015 |
20150336313 | VACUUM INJECTION MOLDING DEVICE AND INJECTION MOLDING METHOD USING SAME - A vacuum injection molding device according to an embodiment of the present invention includes: a first mold which is connected to an injection nozzle and is supplied with resin; a second mold which is coupled with the first mold so as to form an injection cavity; a fist seal member and a second seal member which surrounds an outer side of a contacting surface of the first mold and the second mold and faces one another to contact one another; and a vacuum pump which exhausts gas in the injection cavity so as to form a vacuum state in the injection cavity. A gas exhausting passage is provided to communicate with the injection cavity via one or more of the first seal member and the second seal member, and the vacuum pump exhausts the gas in the injection cavity via the gas exhausting passage. | 11-26-2015 |
20150336315 | GAS REMOVAL VACUUM SYSTEM FOR USE WITH MOLD-IN-COLOR TOOLING - An injection molding tool for molded-in-color injection molding is disclosed. The tool includes a first mold half that includes a mold cavity, a second molding half that includes a molding core, an ejector pin fluidly associated with the first mold half, and a gas removal vacuum system fluidly associated with the ejector pin. The first mold half and the second mold half meet at a parting line that is free of vents. In operation, the two halves are brought together, defining a mold cavity therebetween. The gas removal vacuum system is activated to remove any air that is trapped between the two halves. Once the trapped air has been removed, an article-forming, polymerizable resin is injected into the mold cavity. The gas removal vacuum system is again operated to remove gas generated by the polymerizable resin during the injection process. | 11-26-2015 |
20150343669 | DEVICE FOR ABSORBING HEAT - A device for absorbing heat generated by curing of a curable matrix material, particularly heat generated by curing of a curable matrix material embedding a textile structure including a number of reinforcing fibres is provided. The device includes at least one envelope element defining at least one inner volume, and at least one thermally conductive heat absorbing element disposed within the at least one inner volume of the at least one envelope element. In a further embodiment, the at least one envelope element may be built of or include at least one non-adhering material which does not adhere to the curable or cured matrix material. | 12-03-2015 |
20150343715 | METHOD FOR MANUFACTURING CARBON FIBER PANELS STIFFENED WITH OMEGA STRINGERS - The present disclosure refers to a method for manufacturing carbon fiber panels stiffened with omega stringers for the construction of aircraft structures, such as fuselage sections, wing panels, etc. One tubular pressure member is provided for each omega stringer of the structure to be manufactured, wherein the tubular pressure member is configured with the shape of the omega stringer. Each tubular pressure member is enclosed between the omega stringer and part of the laminate, and autoclave pressure is applied to the interior of the tubular pressure member, so that the tubular pressure member is used to consolidate the omega stringers and/or part of the laminate from the interior of these two elements, while these two elements are being co-cured or co-bonded in an autoclave. Imperfections on those internal surfaces such as resin wrinkles of the structure are reduced. | 12-03-2015 |
20150376406 | Benzoxazine Curable Composition Containing Polysulfone-Based Tougheners - The present disclosure provides a curable composition containing a benzoxazine and a polysulfone-based toughener. The curable composition, upon curing, renders a cured article having well balanced thermal, chemical and mechanical properties, The curable composition may be used in a variety of applications, such as in coatings, structural composites and encapsulating systems for electronic and electrical components. | 12-31-2015 |
20160039140 | Automated System and Method for Smoothing Wrinkled Material - A method and apparatus for smoothing a material having wrinkles. The material is positioned on a vacuum table having a group of segments. A smoothing device is moved across a surface of the material to form a substantially smooth section of the material. A vacuum is progressively applied to a portion of the group of segments in the vacuum table corresponding to the substantially smooth section of the material to pull the substantially smooth section of the material against the vacuum table. | 02-11-2016 |
20160059449 | SYSTEMS AND METHODS FOR CURING COMPLEX FIBER-REINFORCED COMPOSITE STRUCTURES - Systems and methods for curing complex fiber-reinforced composite structures utilize two distinct heat sources. A first heat source is utilized for heating a complex fiber-reinforced composite structure from within an internal portion of the complex fiber-reinforced composite structure. A second heat source is utilized for heating the complex fiber-reinforced composite structure from an external surface of the complex fiber-reinforced composite structure. | 03-03-2016 |
20160151951 | Apparatus for Making Polymeric Web Exhibiting a Soft and Silky Tactile Impression | 06-02-2016 |
20160176078 | FLEXIBLE POLYMER-BASED MATERIAL FOR HOT ISOSTATIC PRESSING OR WARM ISOSTATIC PRESSING MOLDS | 06-23-2016 |
20160200018 | MOLD SYSTEM AND PROCESS FOR PRODUCING COMPONENTS BY THE RTM PROCESS | 07-14-2016 |
20180021990 | Out-Of-Autoclave Compression Molding | 01-25-2018 |
20190143614 | SYSTEMS AND METHODS FOR DRAPE FORMING A CHARGE OF COMPOSITE MATERIAL | 05-16-2019 |