Class / Patent application number | Description | Number of patent applications / Date published |
072348000 | With additional metal-deforming | 46 |
20080229802 | Method of Forming a Metal Sheet Blank - A method of forming a metal sheet blank ( | 09-25-2008 |
20080264137 | Stud and Method of Fabricating The Same - The present invention relates to a stud and a method of fabricating the same, in which a female screw portion of the stud is formed in a cup shape by means of a reverse drawing process, thereby preventing damage of the female screw portion due to vibration and torque and solving a problem of quality degradation of various electronic products due to generation of burrs. The present invention comprises the steps of performing a deep drawing on a metal plate at a round shaped blank into a cup-shaped blank to thereby form a flange portion; performing a plurality of drawing processes again for reducing a diameter of the cup-shaped blank to thereby complete a body portion; performing a reverse drawing to form a female screw portion at the body portion; forming a press-fit fastening groove at a contact surface of the body portion and the flange portion by means of a slitting process, and performing a trimming process to fabricate the stud. | 10-30-2008 |
20090107203 | Press-Molding Method and Press-Molding Device - A press-molding device ( | 04-30-2009 |
20090107204 | METHOD AND TOOL DEVICE FOR FORMING - The invention relates to a tool device for forming a section of a body. The device includes at least one moveable retaining device and at least one forming punch moveable in the direction of the retaining device. The section to be formed is arranged between the retaining device and the forming punch. The forming punch during the forming is moved from an initial position into a defined end position relative to the section to be formed. In order to limit the construction space and the forces to be applied, the tool device includes a wedge element which is in contact with the retaining device and/or a die such that a movement of the wedge element effects a movement of the retaining device and/or of the die in the forming direction. Furthermore, a forming method is provided with the aid of the tool device. | 04-30-2009 |
20090126448 | Method for Press Forming of a Panel Part Having a Bent Portion and Press Forming Device - An addendum shape portion of a panel material is drawn by a drawing portion of a press forming die by an amount equal to or less than the limit to which the panel material can be drawn, whereby a to-be-product portion of the panel material is roughly conformed to a forming face of a punch. In this state, the to-be-product portion of the panel material is stretched or drawn. Accordingly, the cross section of the to-be-product portion is uniformly changed at the minimum level, which makes it possible to produce, by press forming, a fender panel made of aluminum base alloy, which has a great plane dimension L and high quality. As a result, flexibility in the design of panel parts, which are formed by pressing the panel material into shapes, is increased. | 05-21-2009 |
20090193869 | Metal blank for container bodies - Exemplary embodiments of the invention relate to a container blank of defined shape, a method of feeding the blanks, and apparatus for feeding the blanks. The blanks are shaped or contoured in such a way that mutual adhesion between the blanks of a nested stack of such blanks can be broken, thus facilitating the delivery of individual blanks from the stack. The shaping of the blanks is effective to cause the blanks to separate from each other or to tilt mutually by a small distance when one blank is moved at approximately right angles to the stack. This allows ingress of air between the blanks that eliminates the mutual adhesion. | 08-06-2009 |
20090255317 | Method for the production of high-precision half shells with high dimensional precision - A method for converting blanks by drawing in a tool with a ram, a die and a pressure pad wherein, converted blanks with high dimensional precision can be produced, includes feeding a blank with a plurality of bulges to the tool. In flange regions of the blank the pressure pad is moved in a first process step of the method into a first position, which corresponds to the height of the bulges of the flange region of the blank added to the blank thickness. In the first process step the blank is preformed in the tool using the ram and in a second process step the pressure pad and the ram are moved into the end positions, so that the blank is converted by the ram to the end form and the pressure pad smoothes the bulges of the flange regions of the blank. | 10-15-2009 |
20090272171 | METHOD OF DESIGNING AND FORMING A SHEET METAL PART - A method of forming a part and a method of designing a part to be formed from a sheet metal blank is disclosed. The part may be formed from lightweight high-strength material to an extent that would normally exceed the forming limits of the material if the part were attempted to be formed in one step in a multi-part die set. Critical areas including deep pockets and sharp radius areas of the final part are formed from a preform or intermediate shape part. The preform is further formed in a fluid pressure forming process to a final part shape wherein broad radius areas of the preform are formed into deep pockets and sharp corners. | 11-05-2009 |
20090293572 | CAN END SCORING METHOD, AND TOOLING ASSEMBLY AND CONVERSION PRESS THEREFOR - A tooling assembly for scoring a can end is provided. First and second opposing tool members cooperate to create a depression in the can end, and to form a scoreline within the depression. A conversion press for converting a can end shell into a can end, and a method for scoring a can end are also provided. The method includes engaging a first side of the can end with a score knife, supporting at least a portion of a second side of the can end with a score anvil, depressing the can end into a cavity of the score anvil to form the depression, and forming the scoreline within the depression. The depression and scoreline are formed substantially simultaneous within the same tool station of the conversion press. A sealant, which is applied to the scoreline, forms a pool within the depression, thereby completely covering the scoreline. | 12-03-2009 |
20100089116 | Method and apparatus for forming a can shell - Can shells are produced with tooling installed on a single action mechanical press, and the tooling includes an upper retainer supporting a blank and draw die enclosing an outer pressure sleeve and an inner pressure sleeve surrounding a die center punch, all having air actuated pistons. The die center piston has an air reservoir connected by air passages which form air springs for the inner pressure sleeve, and the outer pressure sleeve receives the same controllable air as the reservoir or low pressure plant air supply. The inner pressure sleeve has a projecting nose portion which initiates the drawing of a cup and has contoured surfaces which mate with corresponding surfaces on a die core ring to form and clamp the chuckwall of the shell during downstroke of the press. A lower panel punch forms the center panel, panel wall and countersink of the shell during upstroke of the press. | 04-15-2010 |
20120234070 | Method of Drawing a Blank by Preforming a Channel in a Preform that is Subsequently Drawn into a Die Cavity - A method of forming a blank into a part shape is provided in which the blank is drawn into one or more channels sequentially to form at least one pocket of material that is available to be drawn into the die cavity. Each pocket is formed by applying liquid pressure or mechanical pressure to form the blank into the channels. The channels may be filled with a liquid to reduce friction. Alternatively, portions of the blank may be drawn into a channel to form a first stage preform that includes a pocket. The pocket of the first stage preform is then drawn into the die cavity in a first partial drawing stage. The steps of drawing material into the channel and then into the die cavity may be repeated one or more times until the part is fully drawn into the desired shape. | 09-20-2012 |
20130228001 | METHOD FOR FORMING AN UNDERCUT AND METHOD FOR MANUFACTURING A FORMED ARTICLE HAVING AN UNDERCUT - A method for forming an undercut portion of a formed article formed by plastically deforming a plate-shaped workpiece and a method for manufacturing a formed article having an undercut portion are provided. In these methods, the undercut portion is formed by press working performed using a punch and a die. These methods make the forming work more economical and more efficient. An outer portion of a plate member | 09-05-2013 |
20130263637 | PRESS FORMING METHOD FOR STEEL PLATE - A press forming method forming an extended part by extension in a later forming period after deep drawing, the deep drawing process carried out with working at 100-250° C., and the extension forming process carried out colder at less than 50° C., whereby the extended part is formed by extension in a cup shaped low parts formed by deep drawing. Thus, press forming products containing formed elements can be deep drawing formed and extension formed at a high forming rate of 10 mm/sec or greater, which can assure high productivity. By making a steel plate temperature 100-350° C. during press forming and by making the forming rate in the later forming period where extension forming is carried out slower than the forming rate in an earlier forming period where extension forming is not carried out, cracking of the extended part can be prevented and press forming limitations can be improved. | 10-10-2013 |
20130291612 | DIES FOR SHAPING CONTAINERS AND METHODS FOR MAKING SAME - A method of manufacturing a die for shaping metal containers comprises providing an expansion die for manufacturing metal containers and peening at least a portion of the work surface of the expansion die. Another method of manufacturing a die for shaping metal containers comprises providing a die for narrowing a diameter of metal containers and peening at least a portion of the work surface of the die. | 11-07-2013 |
20140260497 | CAN BODY TAKE-AWAY MECHANISM FOR VERTICAL BODYMAKER - A can body take-away assembly for a can bodymaker with a vertically oriented, reciprocating, elongated ram assembly and a domer is provided. The take-away assembly includes a drive assembly and a can body transport assembly. The drive assembly includes a motor and a support member. The take-away assembly motor is operatively coupled to said support member and structured to move said drive assembly support member in a generally horizontal direction. The can body transport assembly includes a number of gripping assemblies. Each gripping assembly is coupled to said drive assembly support member. Each gripping assembly includes a number of pairs of opposed gripping members sized to grip a can body. The gripping assemblies are structured to travel across the path of said ram assembly and to selectively grip a can body. | 09-18-2014 |
20150013422 | CAN-MANUFACTURING DEVICE - To provide a variant-can having a narrow part in the vicinity of a bottom part by performing a diameter-reduction process up to the vicinity of the bottom part on a trunk part of a can-body made of metal in a can-manufacturing device which processes the can-body being held by a pocket-shaped conveying part while conveying. It is provided with: a can-body pocket which holds a can-body by being in contact with a part of an outer circumference surface of a trunk part of the can-body; a base pad which presses a bottom part of the can-body along a can-axis direction; a die in which the trunk part of the can-body is press-inserted; and a clamping ring which protrudes from the base pad toward the die and is provided so as to move back and forth along the can-axis direction. | 01-15-2015 |
20150047407 | Can Manufacture - A method and apparatus are disclosed which are suitable for use in the manufacture of two-piece metal containers. In particular, a way of making cups from metal sheet is disclosed using a combination of stretching and drawing operations. The resulting cups have the advantage of having a base thickness that is thinner relative to the ingoing gauge of the metal sheet. | 02-19-2015 |
20160001344 | IRONING RING HAVING A MICROSTRUCTURE - An ironing ring for use in a press for ironing pressing or drawing of a workpiece. The ironing ring has a work surface which, upon deforming the workpiece, contacts the workpiece, and causes flowing of the workpiece material. In order to prevent friction deposits in the region of the work surface of the ironing ring, a microstructure, differing from the roughness of the work surface, is introduced into the work surface, which forms elevations and/or recesses in the work surface. Material particles remaining on the work surface after the deforming of a workpiece thus adhere less strongly to the work surface and can be stripped off during the next deforming process. | 01-07-2016 |
072349000 | Plural deep drawing | 28 |
20080202191 | Corrosion resistant tool - There is disclosed a cemented carbide tool containing tungsten carbide, titanium carbide, nickel and cobalt, molybdenum and chromium. The composition of the materials provides a good resistance to corrosion as well as high hardness and wear resistance. These properties are particularly interesting for the manufacture of tools for coldforming operations. Cold forming tools made with these materials have steady performance over a long period of time. | 08-28-2008 |
20090188294 | Method and Device for Testing the Quality of a Metallic Coating - A method and a device for determining a quality of a metallic surface of a metallic substrate, for example a steel or steel alloy substrate, are provided. The device includes a mould, a sheet holder and a die, with which the metallic substrate is formed to produce a drawn test surface. The method and device are used to test the quality of the metallic surface of a metallic coating with a view to a later utilization, especially with a view to a later forming, wherein the metallic substrate is formed at least in-an area of a test surface, wherein a main and an additional shape change of the metallic substrate in the area of the test surface assume predetermined values that are related to the later utilization of the metallic substrate, and wherein the quality of the metallic surface is tested on the test surface after forming. | 07-30-2009 |
20090193870 | DRAWING METHOD OF WORK PIECE IN NON-CIRCULAR CYLINDRICAL SHAPE AND APPARATUS FOR IT - The present invention aims at providing a drawing method of work piece in non-circular cylindrical shape capable of eliminating swollen part, without causing any creases or depression on the formed face, by performing drawing to the swollen part produced in a region near the minor axis of the work piece in non-circular cylindrical shape. It is a drawing method for drawing the end part of the work piece into a circular cylindrical shape, comprising a spindle mechanism | 08-06-2009 |
20090217729 | Two-Piece Can, Method for Manufacturing Same, and Steel Sheet Therefor - We manufacture a two-piece can by the method using a laminated steel sheet as the base material, having the steps of: drawing a cylindrical blank for several times to form a can body in a shape of cylinder integrated with bottom; forming a tapered part extending outward from the can body in the radial direction thereof at the tip of the opening of the can body; applying diametral reduction to the tapered part to the diameter of the can body; and applying diametral reduction to the opening side of the can body to a diameter smaller than the diameter of the can body, while satisfying the formulae (1) and (2) | 09-03-2009 |
20100116014 | BLANK FOR METAL CAN AND METHOD FOR PRODUCING METAL CAN - A metal can blank having a shape surrounded by n external tangents, n partial arcs or partial lines, and | 05-13-2010 |
20100186475 | PRESS-DIE AND PRESS-WORKING METHOD - A movable die is provided to be displaceable in an upper die. When the upper die is moved downward to press a steel plate together with a lower die, only the movable die first abuts on the steel plate to carry out forming together with the lower die. Then, the upper die is further moved downward to form a part which has not been formed by the movable die. | 07-29-2010 |
20100192659 | Elevated temperature forming method and preheater apparatus - An elevated temperature forming system in which a sheet metal workpiece is provided in a first stage position of a multi-stage pre-heater, is heated to a first stage temperature lower than a desired pre-heat temperature, is moved to a final stage position where it is heated to a desired final stage temperature, is transferred to a forming press, and is formed by the forming press. The preheater includes upper and lower platens that transfer heat into workpieces disposed between the platens. A shim spaces the upper platen from the lower platen by a distance greater than a thickness of the workpieces to be heated by the platens and less than a distance at which the upper platen would require an undesirably high input of energy to effectively heat the workpiece without being pressed into contact with the workpiece. | 08-05-2010 |
20100218581 | Thermally Broken Beverage Container and Method of Fabrication - A beverage container having a double-walled construction is provided. The container includes an inner wall with an inner bottom wall for containing a beverage, an outer wall which extends about the inner wall, and an outer bottom wall which extends under the inner bottom wall. A thermal break extends uninterrupted between the outer surface of the inner wall and the inner surface of the outer wall and the inner bottom and outer bottom walls. The container includes a top having an upper rim which joins the periphery of the top, the inner wall, and the outer wall. | 09-02-2010 |
20110174045 | Tool and method for the manufacture of cans - For the manufacture of can bodies as they are needed for the manufacture of aerosol cans or beverage cans, a special tool | 07-21-2011 |
20120266644 | DEVICE AND METHOD FOR MANUFACTURING A CAN BODY FOR AN AEROSOL CAN - A device and method for manufacturing in one working stroke in one working direction (A) a can body with cylindrical wall and a neck section of lower diameter. The device has a drivable drawing ring used for deep-drawing of a cup from a round, disk-like blank in a first phase of the working stroke. The cup is drawn with an ironing mandrel into an ironing channel and formed into an ironed workpiece. Finally, a stretch-forming mandrel is moved out of a guide recess of the ironing mandrel and forms the neck section in a stretch-drawing phase, in conjunction with a forming depression of a domer. | 10-25-2012 |
20140182349 | PRESS FORMING METHOD AND VEHICLE COMPONENT - Disclosed is a press forming method press forming a workpiece between a die and a punch, while pushing the punch into the die by means of a relative motion of the die and the punch, the method includes: producing an intermediate molding ( | 07-03-2014 |
20140190235 | Draw and Iron Apparatus - An apparatus for forming a container body from a metal blank has a ram, a blank holder, an annular die, an annular die holder, an insert and a plurality of ironing rings. The ram is centered about a longitudinal axis. The blank holder has an aperture through which the ram passes, The annular die is substantially axially aligned with the ram and adapted to allow the ram to pass therethrough. The annular die holder has a recessed portion adapted for receiving the annular die therein. The recessed portion has an annular, arcuate concave surface. The insert is located within the recess between the annular, arcuate concave surface and the annular die. The insert has a support surface for supporting the annular die thereon opposite an annular, arcuate, convex surface in operative engagement with the annular, arcuate concave surface and swivelable thereon. The plurality of ironing rings is substantially axially aligned with the ram. | 07-10-2014 |
20140260498 | FORMING PRESS - A draw press includes a carriage moveable toward a work piece and an upper die movably secured to the carriage. The upper die is movable with respect to the carriage to draw the work piece. A method for drawing a metal part is also disclosed. | 09-18-2014 |
20140260499 | TOOLPACK FOR VERTICAL BODYMAKER - A toolpack for a can bodymaker with a vertically oriented, reciprocating, elongated ram assembly is provided. The toolpack includes a tool pack housing assembly, a number of die spacers, a number of dies, and a compression device. The tool pack housing assembly defines a passage and includes an inner surface, an upper sidewall, a lower sidewall, a first lateral sidewall, a second lateral sidewall, rear sidewall, and a door. The tool pack housing assembly passage extends generally vertically. Each die spacer structured to support a die and defining a central passage. Each die including a body defining a central passage. The die spacers and dies are disposed in said tool pack housing assembly. The compression device is disposed at said tool pack housing assembly lower sidewall and is structured to axially bias said number of die spacers. | 09-18-2014 |
20140260500 | OPERATING MECHANISM FOR A VERTICALLY ORIENTED BODYMAKER - A can bodymaker is provided. The can bodymaker includes two rams that travel over a generally vertical path. The bodymaker includes a housing assembly and an operating mechanism structured to move a number of ram assemblies over a vertical path of travel. The operating mechanism includes a crankshaft, a motor, a link assembly, and a number of ram assemblies. The crankshaft is rotatably coupled to the housing assembly and includes a number of pairs of crankpin journals. The motor is operatively coupled to said crankshaft. The link assembly includes a number of links. Each ram assembly includes an elongated ram body, each ram body structured to move over a ram path. Links from said link assembly extend between, and movably couple, each crankshaft crankpin journal to a ram body. | 09-18-2014 |
20140352390 | DEVICE AND METHOD FOR MACHINING A WORKPIECE CONSISTING OF METAL, PARTICULARLY FOR PRODUCING A CUP-SHAPED COMPONENT FOR THE AUTOMOBILE INDUSTRY, AS WELL AS SUCH A WORKPIECE - The invention relates to an apparatus, an installation and a method for machining a workpiece made of metal, such as steel, by a machining processes such as forming, pressing, drawing, compressing and cutting. The invention includes at least two tools and a drive associated with the tools for their movement and for carrying out the machining process. The drives are arranged in such a way that when travelling on trajectories the tools have different speeds over at least a part of their trajectories. | 12-04-2014 |
20150068268 | ACTUATOR WITH VARIABLE SPEED SERVO MOTOR FOR REDRAW ASSEMBLY - An actuator for a redraw sleeve that operates independently of the ram drive mechanism is provided. The actuator utilizes an eccentric journal coupled to a drive shaft of a servomotor. The servomotor is structured to provide its output shaft with a variable rotation speed so as to accommodate the need for the redraw sleeve to be in selected locations at specific times. Further, the redraw sleeve includes a collapsing redraw cylinder to allow the redraw sleeve to dwell in a forward position. | 03-12-2015 |
20150082853 | SHEET METAL FORMING PROCESS AND SYSTEM - The invention relates to a method and system for forming a metal sheet, preferably in the form of a disc, in order to obtain an essentially cylindrical and essentially hollow end metal part having a base thickness that is essentially greater than the thickness of its walls. More specifically, the invention relates to the metalworking sector and, in particular, to the production of ammunition cases or shells. | 03-26-2015 |
20150336152 | PRESS-FORMING METHOD - A press-forming method includes: a step of forming a first cup-shaped workpiece (B); a step of moving an axial pressing punch ( | 11-26-2015 |
20150343516 | TWO IRON TOOL PACK FOR FORMING TALL METAL BOTTLE SHAPED CONTAINERS - A tool pack is described that includes a redraw die, a first ironing die and a second ironing die. The tool pack may be incorporated in a bodymaker that has about a thirty-inch stroke to form a metal cup with a height to diameter ratio of about four. In some embodiments, the redraw die, the first ironing die and the second ironing die are situated in the body maker so that each reduces a sidewall thickness of the cup that is forced through the redraw die, the first ironing die and the second ironing die by a plunger by a predetermined amount to produce a cup that can be formed into a bottle-shaped container with low defect rates. | 12-03-2015 |
20150367398 | PRESS FORMING METHOD - A press forming apparatus ( | 12-24-2015 |
20160016224 | METHOD AND APPARATUS FOR FORMING A CAN END WITH CONTROLLED THINNING OF FORMED PORTIONS OF THE CAN END - A can end blank is initially cupped and a central portion of the cup is rolled up with an annular portion of the cup being free formed with limited contact with any tooling except to prevent wrinkling, to prevent overextension of the free formed material and to define a final geometry of the free formed material as the forming press reaches a bottom of its forming stroke. The free forming is performed by controlling the motion of a pre-panel punch using a double action piston so that the pre-panel punch is selectively moved between an extended position for formation of a cup of a cupped can end blank and a retracted position for free forming material between a central portion of the cup and a clamped portion of the cupped can end blank. | 01-21-2016 |
20160067757 | METHOD AND UPSETTING TOOL FOR PRODUCING HIGHLY DIMENSIONALLY ACCURATE HALF SHELLS - The invention relates to a method for producing highly dimensionally accurate, deep-drawn half shells having a bottom region, a jacket and optionally having a flange, wherein a half shell pre-formed from a blank is formed into a finished half shell, wherein the pre-formed half shell has excess blank material on account of its geometrical shape, and the half shell being upset by way of at least one pressing operation in an upsetting tool to form the finished half shell during the forming of the pre-formed half shell into its finished shape on account of the excess blank material. The object of specifying a method and an apparatus, by way of which the process reliability can be increased during the production of a half shell, is achieved by way of the abovementioned method by virtue of the fact that the size of the upset gap is reduced during the closing of the upsetting tool to the actual wall thickness of the jacket of the pre-formed half shell. In addition, the object is achieved by way of an upsetting tool according to the invention by virtue of the fact that two side walls are provided which, together with the bottom region of the die of the second tool half, form a corresponding die, and the side walls can be displaced perpendicularly or obliquely with respect to the movement direction of the die. | 03-10-2016 |
20160107219 | Apparatus and Method for Simultaneously Forming a Contoured Shoulder and Neck Portion in a Closed End of a Metallic Container - An apparatus and method of simultaneously forming a contoured shoulder and neck portion on a closed end a metallic container is provided. More specifically, the present invention relates to an apparatus and methods to form a contoured shoulder and neck portion on a closed end of a metallic two-piece container. | 04-21-2016 |
20160129494 | FLANGE PROJECTION CONTROL SYSTEM AND METHOD - Embodiments provide a tooling station for forming containers that includes a blank and draw punch configured to blank off a portion of stock from a stock element and draw the portion of stock to form a cup. The blank and draw punch includes a blank and draw punch curved edge disposed between a blank and draw punch inner circumferential wall and a blank and draw punch proximal surface. The blank and draw punch curved edge has a radius of curvature that varies along its circumference. The tooling station also includes a draw-redraw die configured to redraw the cup to form a can having a flange. The draw redraw die includes a draw-redraw die curved edge disposed between a draw-redraw die inner circumferential wall and a draw-redraw die proximal surface. The draw-redraw die curved edge has a radius of curvature that varies along its circumference. | 05-12-2016 |
20160144418 | FORMED MATERIAL MANUFACTURING METHOD - A formed material having a tubular body and a flange formed at an end of the body is manufactured by multistage drawing of a blank metal sheet. The multistage drawing includes preliminary drawing in which a preliminary body having a body preform is formed from the blank metal sheet, and at least one compression drawing which is performed after the preliminary drawing and in which the body is formed by drawing the body preform while applying a compressive force to the body preform. The at least one compression drawing is performed so as to be completed before the pad portion of pressurization means reaches bottom dead center, and a support force supporting the pad portion acts as the compressive force upon the body preform when the body preform is drawn. | 05-26-2016 |
20160151823 | ACTUATOR WITH VARIABLE SPEED SERVO MOTOR FOR REDRAW ASSEMBLY | 06-02-2016 |
20180021839 | PRESS-MOLDED ARTICLE MANUFACTURING SYSTEM AND METHOD FOR CHANGING PRESS MOLDS AND GRIPPERS | 01-25-2018 |