| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 493189000 | Including heat sealing | 38 |
| 20130059710 | HEAT SEAL BAR MOUNTING APPARATUS OF PLASTIC BAG MAKING MACHINE - It is intended to mount and remove the heat seal bar | 03-07-2013 |
| 20110059833 | BAG MANUFACTURING AND PACKAGING APPARATUS - A bag manufacturing and packaging apparatus is adapted to form a strip film into a cylindrical film. The bag manufacturing and packaging apparatus includes a sealing unit with a pair of sealing members facing each other to seal an end portion of the cylindrical film therebetween to package an article. Each of the sealing members includes a sealing jaw, a heating unit, and a heat insulating member. The sealing jaw has a heat generating surface, and configured and arranged to seal the cylindrical film on the heat generating surface. The heating unit is configured and arranged to heat the heat generating surface of the sealing jaw. The heat insulating member insulates the heat conduction from the heating unit to a direction other than a direction toward the heat generating surface of the sealing jaw. | 03-10-2011 |
| 20080312055 | Method of Obtaining a Continuous Mesh Tube Which is Used to Produce Bags for
Vegetable and Fruit Products or Similar Products - The present invention relates to improvements introduced in invention patent number 200102600 relating to a process for obtaining a continuous mesh tube which is used to produce bags for vegetable and fruit products and similar products, and the tube obtained by means of said process, the tube of which is made up of four strips, two laminated strips and two other mesh strips, all of which are arranged in alternating positions, partially overlapping along bands connected to one another. The tube additionally has four reinforcement bands located near both free ends of each of the mesh strips, being connected to their inner face and to the laminated strips by means of gluing. | 12-18-2008 |
| 20110224061 | ADJUSTABLE POUCH FORMING, FILLING AND SEALING APARATUS AND METHODS - An adjustable pouch machine comprises a vertical sealer module forms transverse seals between two plies of a pouch web to partially define a plurality of pouches. Rollers selectively tension and relax the web on the vertically oriented wheel, allowing them to drop away from heated lands on emergency and cycle stops. A filler wheel has a plurality of adjustable gripper units mounted directly thereon for transporting independent separate pouches cut from the pouch web. An adjustable knife is selectively provided with changeable knife hub sets to handle a variety of pouch sizes where a filler wheel alternately first fills and seals pouches in a train. Gear linkage accommodates variation in distance between hubs of different sets. Various embodiments, apparatus and methods are described. | 09-15-2011 |
| 20110230322 | Air packaging device product and method for forming the product - An air packaging device includes two layers of thermoplastic films, which form a sealable space where air is filled after first and second steps of heat-sealing process. The sealable space includes a number of independent sealed air chambers and a main air passage channel. The main channel has an air inlet. Each sealed air chamber is connected with the main channel by at least one one-way valve each including at least two layers of plastic films. At least two one-way valves are installed inside of the air chambers. This air packaging device increases the cushioning protection where the protection is most needed, but can reduce air chamber dimension at less important locations in order to reduce the volumetric size and, hence, reduce the shipping cost. | 09-22-2011 |
| 20080269035 | Equipment and process for continuously making stack packages of tiles or the like - Equipment ( | 10-30-2008 |
| 20110015052 | PLASTIC BAG MAKING APPARATUS - The apparatus includes panel portions forming means by which two webs of panel material are opposed to and superposed on each other and fed longitudinally thereof, the panel portions being formed by the webs of panel material. The apparatus further includes side gusset portions forming means by which sheets of side gusset material are folded into halves and combined with and interposed between the webs of panel material to extend widthwise thereof, the side gusset portions being formed by the sheets of side gusset material. The apparatus further includes bottom gusset portion forming means by which a web of bottom gusset material is combined with the webs of panel material to extend longitudinally thereof, the bottom gusset portion being formed by the web of bottom gusset material with at least one bottom protrusion protruding from the bottom gusset portion. In addition, the apparatus includes option means by which the bottom protrusion is provided with a handle hole, zipper, opening or adhesive, means. | 01-20-2011 |
| 20080214375 | Trash Bags With Narrowing Seals To Facilitate Gripping - Methods of forming a polymeric film bag having first and second panels that are joined to each other along a pair of opposing sides and a bottom bridging the opposing sides. Each of the first and second panels have an original width. Extending inwardly from near or at one of the pair of opposing sides is a first narrowing seal. The first narrowing seal seals the first and second panels together such that a second width of the first and second panels is created that is smaller than the original widths of the first and second panels. | 09-04-2008 |
| 20120035034 | LOW CONDUCTIVITY BALLOONS AND METHODS OF PRODUCING SAME - The present invention relates to articles and methods for producing non-latex balloons with low surface electrical conductivities and an extended product life. In a preferred embodiment, a multilayer composite film having an exposed metalized layer is coated with an elastomeric sealant layer that increases electrical resistivity of the balloon product to greater than 1.0 | 02-09-2012 |
| 20120277083 | METHOD AND DEVICE FOR PACKAGING BY HEAT SEALING - A method of packaging by heat sealing, including: a) transporting films to a heat sealing packaging station; b) pressing two layers of the films with a positioning blocking element to position the films and block the air flow between a packaging cavity and a packaging line; c) performing heat sealing to the two layers of the films at the packaging line by a heat sealing device; and d) resetting the heat sealing device and the positioning blocking element, and cooling and solidifying the films bonded at the packaging line. | 11-01-2012 |
| 20100022374 | METHOD FOR PRODUCING POUCH CONTAINER WITH SPOUT AND APPARATUS FOR PRODUCING POUCH CONTAINER WITH SPOUT - Score lines are formed on package material. A spout attachment hole is formed in a portion corresponding to a top gusset section of a pouch. A spout is attached to the spout attachment hole. A portion corresponding to a peripheral edge of the top gusset section of the pouch and a portion corresponding to a top edge of a body section of the pouch are heat-sealed, and the package material is cut in the width direction. Portions corresponding to side edges of the body section of the pouch are heat-sealed, and a portion corresponding to a peripheral edge of a bottom gusset section and a portion corresponding to a peripheral edge of a bottom end portion of the body section are heat-sealed. The heat-sealed portions formed at the portions corresponding to the side edges of the body section of the pouch are cut so a spouted pouch package is released. | 01-28-2010 |
| 20120108408 | THERMOFORM PACKAGING MACHINE AND METHOD OF OPERATING THE SAME - The present disclosure relates to a thermoform packaging machine comprising at least one cross cutting station including a punching device for cutting out strip cuts and a method of operating such a thermoform packaging machine. | 05-03-2012 |
| 20120021883 | METHOD AND DEVICE FOR MAKING A BAG - The invention relates to a device for making flexible bags using two stacked films made of a same material, said device comprising a laser source for producing a weld between the two films. The two films are advantageously made of EVA-laden polyethylene. The device further includes cutting means. | 01-26-2012 |
| 20120058874 | DISPOSABLE CONTAINERS AND METHOD OF MAKING THE SAME - A polyhedron disposable container formed from flexible weldable plastic film and a method of forming the same are provided. The container has opposite ends and an openings that accommodates a port at the center of at least one of such ends. The container also has multiple sides and an opening on at least one such side located midway between the edges of such side. | 03-08-2012 |
| 20120135845 | PLASTIC BAG MAKING APPARATUS - Upon cutting a corner of a plastic bag, the cut-out portion is prevented from attaching to the plastic bag. A plastic film ( | 05-31-2012 |
| 20100273621 | RECIPROCATING SEALER FOR WEB CONVERTERS - Various device embodiments include first and second plate assemblies. Each plate assembly includes a base, a seal plate, one or more air bladders and a servo motor to provide a linear motion of the seal plate with respect to the base. The device further includes at least one plate assembly motor operably linked to the bases of the plate assemblies to provide a linear motion of the first and second plate assemblies toward each other to perform a sealing operation and away from each other. The device further includes a controller connected to the at least one plate assembly motor and to the first and second servo motors to coordinate the motion of the first and second seal plates to perform a seal operation on a web while traveling with the web. | 10-28-2010 |
| 20120231941 | PLASTIC BAG MAKING APPARATUS - A sheet of side gusset material | 09-13-2012 |
| 20080300121 | Method and apparatus for making skirtless seals - A machine and method for making bags is described and includes a web traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a single sealing zone, and a weakening zone disposed within the single sealing zone. The single sealing zone may be a heated perforator, includes a heating wire. The heating wire may be an NiCr wire stitched into the heater, and be disposed on a cap or on the seal bar. The weakening zone may create a line of weakness that is uniform or varies in intensity. The sealing zone may include temperature zones, cartridge heaters, cooling air, or heated air, or a source of ultrasonic, microwave or radiative energy. | 12-04-2008 |
| 20130023394 | METHOD OF MANUFACTURING A VALVE BAG - Methods of manufacturing a valve bag are disclosed. First and second webs of valve material, such as heat sealable plastic film, are combined to create a combined web of valve material, and a sealing process is applied thereto to define valve portions. The combined web of valve material includes a plurality of valve strip portions, each including a valve portion. Then first and second bag sections, which may be on a first and second side respectively of a web of folded bag material, or on a first web and second web of bag material respectively, are dispensed with the combined web of valve material positioned in between, and brought together to form a combined web of valve bag material. A sealing process is applied to the combined web of valve bag material, forming a valve bag section. The bag section is then separated from the remainder of the combined web of valve bag material to form an individual valve bag. | 01-24-2013 |
| 493190000 | And cooling | 1 |
| 20080280744 | Cushioning packaging body containing packaged article, and method and device for manufacturing the packaging body - An apparatus for manufacturing a cushioning package containing an article to be packaged, characterized by comprising an article storage space forming unit that forms an article storage space by overlapping a cushioning sheet that includes small cells that inflates with air filled therein, a sheet adhering unit that adheres the overlapped cushioning sheet together and closes an article storage opening, an article disposing unit that disposes an article to be packaged in the article storage space, and an air-filling unit that fills air in the small cells. | 11-13-2008 |
| 493192000 | By direct application of fluid | 2 |
| 20090156381 | Heat Pipe For A Bag Machine - A method and apparatus for bag making includes an input section, a sealing section and an output section. The sealing section includes a seal bar having a heat pipe with a relief zone, through which pressure is relieved. The heat pipe is preferably disposed in or near the seal bar. The relief zone can be a valve that opens and closes, or other reusable devices, or it can be a destructive relief zone. The heat pipe is preferably a generally closed cylindrical shape with the relief zone located on one end. The heat pipe can have a second relief zone, possibly located at the other end of the heat pipe. Fluid may be in the heat pipe. The invention can be implemented as a bag machine with a seal bar, or a seal bar with a heat pipe, or solely as a heat pipe. | 06-18-2009 |
| 20120225762 | METHOD AND APPARATUS FOR BAG CLOSURE AND SEALING - A method and apparatus for sealing a bag made of a polymeric material by applying heat activated layers on different portions of the bag, wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric material; creasing the bag along a fold line, applying heat at a temperature below the softening point temperature of the polymeric material to activate the first adhesive layer and the second adhesive layer to adhesive states after the bag has been filled with contents; and folding the bag to form an adhesive-to adhesive seal by contact between the heat activated first adhesive layer and the heat activated second adhesive layer. | 09-06-2012 |
| 493193000 | Including supplying indeterminate length work | 10 |
| 20100160131 | METHOD AND DEVICE FOR MANUFACTURING BAG WITH CLAMPING DEVICE | 06-24-2010 |
| 20090082186 | HANGING MANUFACTURING APPARATUS FOR MANUFACTURING AIR ENCLOSURE - A first hanger and a second hanger are disposed on a working platform according to a hanging manufacturing apparatus for manufacturing an air enclosure, in which the first hanger is constituted by a first hanging frame and a plurality of first supporting arms and used for hanging a first hot sealing mold, the first hanging frame drives the first hot sealing mold on the plurality of first supporting arms to hot-seal an air cylinder film sheet while being moved to form a plurality of nodes on the air cylinder film sheet, and the second hanger is constituted by a second hanging frame and a plurality of second supporting arms and used for hanging a second hot sealing mold, the second hanging frame drives the second hot sealing mold on the plurality of second supporting arms to hot-seal the air cylinder film sheet while being moved to form a plurality of air cylinders on the air cylinder film sheet | 03-26-2009 |
| 20120035035 | PLASTIC BAG MAKING APPARATUS - Plastic bags are made by feeding webs joined at a joint line, and by supplying a side gusset sheet between the webs. The webs are temporarily fixed to two side gusset layers. One web is folded along a first folded line spaced from the joint line to open the webs and form an open surface. One side gusset layer is folded along the first folded line to open the side gusset layers along with an auxiliary gusset portion and form an open surface on layers of the auxiliary gusset portion. One web is turned along a turned line formed between the joint line and the first folded line to make a turned portion superposed on the open surfaces. The other web is folded along a second folded line spaced from the joint line to make a folded portion superposed on the open surfaces. | 02-09-2012 |
| 20110160029 | Method and Apparatus For Making Skirtless Seals - A machine and method for making bags is described and includes a web traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a single sealing zone, and a weakening zone disposed within the single sealing zone. The single sealing zone may be a heated perforator, and may include a heating wire. The heating wire may be an NiCr wire stitched into the heater, and be disposed on a cap or on the seal bar. The weakening zone may create a line of weakness that is uniform or varies in intensity. The sealing zone may include temperature zones, cartridge heaters, cooling air, or heated air, or a source of ultrasonic, microwave or radiative energy. | 06-30-2011 |
| 493194000 | And cutting, breaking, tearing, or abrading | 6 |
| 20110039675 | APPARATUS AND METHOD FOR MANUFACTURING A ROLL OF INTERLEAVED BAGS - In an embodiment of the invention, a cut/weld apparatus is configured to provide optimal and limited tension of bag material even during high-speed operation. The limited tension may contribute to stronger plastic welds. Another embodiment of the invention, which may be used in combination with the first embodiment, provides a roll discharge stage in a bag manufacturing apparatus that includes a retracting spindle and may include a rotating tray. The improved discharge stage requires less floor space than conventional side-discharge manufacturing equipment. | 02-17-2011 |
| 20090098992 | Method and Apparatus For Making Skirtless Seals - A machine and method for making bags is described and includes a web traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a single sealing zone, and a weakening zone disposed within the single sealing zone. The single sealing zone may be a heated perforator, and may include a heating wire. The heating wire may be an NiCr wire stitched into the heater, and be disposed on a cap or on the seal bar. The weakening zone may create a line of weakness that is uniform or varies in intensity. The sealing zone may include temperature zones, cartridge heaters, cooling air, or heated air, or a source of ultrasonic, microwave or radiative energy. | 04-16-2009 |
| 493195000 | At separate station from heat sealing | 4 |
| 493196000 | With means to advance work or product | 4 |
| 20110207589 | Pouch Machine With Sealer - A pouch machine includes an infeed section, a sealing section, and an outfeed section. The infeed section provides a pouch or laminate to the sealing section, and the outfeed section receives the sealed pouch from the infeed section. The sealing section includes at least one sealer that has a sealing fixture disposed to move in a first direction toward and away from a sealing position. A linear actuator is mounted to provide a controlled motion in a second direction, that is not the first direction. A linkage is connected between the linear actuator and the sealing fixture. The linkage translates the controlled motion of the actuator into controlled motion of the sealer. The linkage preferably multiplies force when the sealer is in the sealing position, and multiplies distance/velocity when the sealer is retracted. The sealing fixture preferably includes a die backing member and a sealing die. The die backing member has at least one clip mounted on it. The clip includes a hook end, and has a first relaxed position and a second tension position. The sealing die includes at least one receiver that receives the hook end. When the clip is in the tension position, the sealing die is held against the die backing member. | 08-25-2011 |
| 493197000 | Including work advance during heat sealing | 3 |
| 20090124479 | RECIPROCATING SEALER FOR WEB CONVERTERS - Various device embodiments include first and second plate assemblies. Each plate assembly includes a base, a seal plate, one or more air bladders and a servo motor to provide a linear motion of the seal plate with respect to the base. The device further includes at least one plate assembly motor operably linked to the bases of the plate assemblies to provide a linear motion of the first and second plate assemblies toward each other to perform a sealing operation and away from each other. The device further includes a controller connected to the at least one plate assembly motor and to the first and second servo motors to coordinate the motion of the first and second seal plates to perform a seal operation on a web while traveling with the web. | 05-14-2009 |
| 20090305859 | Method and Apparatus For Making Bags - A machine and method for making bags is described and includes a web traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a first sealing zone, and an adjacent weakening zone. The weakening zone may be a heated perforator, includes a heating wire, or be disposed to create an auxiliary sealed area. The heating wire can have, connected thereto, a source of power that is at an adjustable voltage or magnitude, and/or pulsed, and/or a feedback loop. The heating wire may be an NiCr wire and make intermittent contact with the web and be disposed in an insert. The weakening zone may create a line of weakness that is uniform or varies in intensity, is a separating zone, or includes a heat film, a toothed blade, a row of pins, a source of air, or a source of vacuum. The sealing zones may include temperature zones, cartridge heaters, cooling air, or heated air, or a source of ultrasonic, microwave or radiative energy. | 12-10-2009 |
| 20080312056 | Method and Apparatus for Making Bags - A machine and method for making bags is described and includes a web , traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a first sealing zone, and an adjacent weakening zone. The weakening zone may be a heated perforator, includes a heating wire, or be disposed to create an auxiliary sealed area. The heating wire can have, connected thereto, a source of power that is at an adjustable voltage or magnitude, and/or pulsed, and/or a feedback loop. The heating wire may be an NiCr wire and make intermittent contact with the web and be disposed in an insert. The weakening zone may create a line of weakness that is uniform or varies in intensity, is a separating zone, or includes a heat film, a toothed blade, a row of pins, a source of air, or a source of vacuum. The sealing zones may include temperature zones, cartridge heaters, cooling air, or heated air, or a source of ultrasonic, microwave or radiative energy. | 12-18-2008 |
| 493199000 | And cutting, breaking, tearing, or abrading | 4 |
| 20090298659 | Coupon bag with detachable portion and methods of making same - A plastic bag with a removable coupon section and a method for forming plastic bags with removable coupon sections is presented. The bag comprises a bag portion and a coupon portion. The coupon portion comprises two flaps. Each flap representing at least one coupon. The coupons are separable from the bag portion due to perforations. Where multiple coupons are contained on the same flap, the coupons may be separated from one another due to perforations. The flaps are either not joined to one another due to notching of the plastic film from which they are formed or are separable due to welded perforations. This enables the coupons the be individually removed without disturbing other coupons. In the method for making the plastic bags with a removable coupon section, a roll of plastic film is folded over onto itself and welded together. The initial weld forms the bottom of the bag portion. The coupon portion may be perforated to assist in the separation of the coupon from the bag portion. | 12-03-2009 |
| 20080312057 | POLYMER BAG - A method of manufacturing a bag from a polymer film is disclosed. The method comprises (a) forming a bag with a front wall, a back wall, a bottom wall, opposed sides defined by heat seals of the front and back walls, skirts extending outwardly from the heat seals and an opening allowing access to the interior of the bag, and (b) piercing the bag and forming micro-perforations to achieve MAP functionality using piercing methods that are selected to reduce the stiction of the film in the front and back walls significantly below the tear strength of the film in the film orientation direction. | 12-18-2008 |
| 20120283083 | CUTTING STATION WITH COMPLETE CUTTING TOOL - The disclosure relates to a thermo-forming packaging machine with a cutting station including a complete cutting tool. The thermo-forming packaging machine is designed such that the complete cutting tool is extractable in a direction of production of the packaging machine. | 11-08-2012 |
| 493200000 | At separate station from heat sealing | 1 |
| 20100210439 | DEVICE FOR CUTTING PACKING BAG, DEVICE FOR PRODUCING PACKING BAG AND METHOD FOR PRODUCING PACKING BAG - A cutter includes a male blade, a female blade, an advancement and retraction controller and a suction device. The male blade includes: a linear cutting portion linearly shaped with a predetermined thickness in a center part; a rounded cutting portion where a radius having a substantially arc shape in planar view is continuously formed from the linear cutting portion; and an end provided adjacent to the rounded cutting portion. The female blade has a fitting portion that is a hole conforming to the profile of the male blade in planar view and to which the male blade is fitted. On a lateral side of the female blade, an elongated hole for inserting a base film from one lateral side to the other lateral side is formed as an insertion portion. | 08-19-2010 |
| 493208000 | By rotary heat sealer | 2 |
| 20090215600 | Method and apparatus for making dunnage - An apparatus for manufacturing dunnage including a plurality of rollers for pulling a web of material through the machine, a nozzle with at least one port through which gas or liquid flows, a plurality of ceramic elements in opposing positions such that the web of material can pass between the plurality of ceramic elements. A heating element is routed through each of the plurality of ceramic elements such that heat will radiate through openings in the top surfaces of the ceramic elements that will melt the portion of the material that is passing between the opposing ceramic elements. The apparatus may be equipped to manufacture multiple pieces of dunnage simultaneously. | 08-27-2009 |
| 20120129671 | PROFILED HEAT SEALER AND METHODS FOR SHAPED SEALS - Web sealing apparatus includes a shaped sealing unit where the shape on one side of the element corresponds to a desired seal pattern in a multiple ply web and a heating element secured to another side of the sealing element, where the heating element is oriented to provide more heat energy to a portion of the sealing element corresponding to a desired seal pattern in one multiple ply portion of said web and less heat energy to a portion of the sealing element corresponding to a desired seal pattern in another portion of said web of fewer plies, The invention includes structure for adjusting the radial position of sealing units on a rotatable drum sealer. Multiple sealing units are adjustably mounted on a sealing drum or wheel for applying varied parameter seals in multiple-ply webs wrapped about said drum in contact with said sealing units. Methods are disclosed. | 05-24-2012 |
