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| Number | Title | Issue Date |
| 8122752 | Discard conveying apparatus A discard conveying apparatus comprising a chute provided below a die of an extrusion pressing machine in which discards are freely dropped along the chute through which the discards are guided, in which the discard conveying apparatus comprises a chute having a dis... | 02/28/2012 |
| 7254979 | Device for ejection of moulded pieces from a moulding tool The invention relates to a so-called spring cushion (5), for the ejection of moulded pieces (4) from a moulding tool (3), with a plunger (6), moving in a guide tube (9) within the moulding tool and loaded in the ejection direction ... | 08/14/2007 |
| 7249480 | In-die hydropiercing device for piercing holes in hydroformed parts An in-die hydropiercing device comprises a punch with an annular shearing blade which is operated by a hydraulic cylinder and is received in a ring-shaped die button mounted in one of the dies that form a die cavity for the hydroforming of a part, a center support m... | 07/31/2007 |
| 7243414 | Device for gripping and transferring a ring of electrical conductors which is used to produce a winding and a winding-production system employing one such device The invention relates to a device for gripping and transferring a ring of electrical conductors in the form of pins which are used to produce a winding, such as a pin winding. The gripping device (C) is designed to seize the ring from a first element, such as a ring... | 07/17/2007 |
| 7237666 | Multi-position stop mechanism A multi-stop mechanism for providing multiple stop positions between first and second objects that are movable into and out of contact with one another. The multi-stop mechanism of the present invention includes a housing which secures the multi stop mechanism to th... | 07/03/2007 |
| 7152451 | Reaction device for forming equipment A reaction device for forming equipment includes a housing having a mount adapted to be connected to a forming die and a casing carried by the mount. A lift rod is disposed at least partially on the housing for movement relative to the house between extended and ret... | 12/26/2006 |
| 7044040 | Leading and trailing edge stitch tab scrap strippers Leading and trailing edge stitch tab scrap strippers utilize pivot arms which are secured to die block bodies for pivotable motion intermediate their two ends. One end of each arm is adapted to engage a stitch tab scrap portion to be stripped and to effect the remov... | 05/16/2006 |
| 7021099 | Extraction system for hot formed parts The distortion-free removal of a heat softened sheet metal part from a heated forming surface is enabled by the elevation of lift pads in the forming surface. Strategically located and sized pads are recessed in the forming surface of the hot forming tool and the pa... | 04/04/2006 |
| 7000444 | Forging method and apparatus A method of producing a bevel gear, particularly a bevel ring gear, the bevel gear comprising mounting surfaces. The method comprising the steps of flashless warm forging a blank, preferably an annular blank, in a forging die to produce the bevel gear with precision... | 02/21/2006 |
| 6921258 | Ejector device for an injection molding machine for plastics The invention relates to an ejector device for an injection-molding machine for plastics, having at least one ejector pin, which can be moved toward the mold and away from the latter through the center of a moveable die clamping plate by an actuator. In this arrange... | 07/26/2005 |
| 6918280 | Workpiece ejector and transfer apparatus A workpiece ejector and transfer apparatus adapted to automatically extract a workpiece from a tool after work has been performed, and thereby reduce the cycle time for the operation. The apparatus includes a cylinder, a pair of cam plates adapted to convert the rec... | 07/19/2005 |
| 6615631 | Panel extraction assist for superplastic and quick plastic forming equipment Equipment and method for the rapid and easy extraction of formed metal parts from forming dies while in a press and operating at elevated temperatures. The invention features the controlled supply of streams of air or other inert gas to the interface of t... | 09/09/2003 |
| 6571596 | Automatic two-station adiabatic blank cut-off and part forming system A system for automatically producing formed parts from feedstock using two successive adiabatic processing stations, a first station performing adiabatic cut-off of blanks from the feedstock, and the second station performing adiabatic forming of the blan... | 06/03/2003 |
| 6301949 | Press for forming workpieces A reciprocating press for forming workpieces includes a tilting table that supports the workpiece and positions it with respect to the press tooling as the press closes, and then is pivoted upward into an inclined orientation as the press opens so that th... | 10/16/2001 |
| 6256871 | Crimping apparatus for electrical connectors An apparatus is provided for crimping a crimpable connector onto at least one electrical conductor. The apparatus includes a pair of crimping arms defining a staging area behind a crimping area. The staging area allows a first connector to be fed thereto ... | 07/10/2001 |
| 6134938 | Forming tools Forming tools includes an upper holder; a lower holder; a punch having a punch body which can be attached to/detached from the upper holder and the lower holder; an ejector being disposed movably in a vertical direction around a convex portion provided on... | 10/24/2000 |
| 6006566 | Method and device for removing a slug from a hydroforming tool A method and a device for removal of a slug separated from a hollow profile by means of a fluidic internal pressure from a hydroforming tool. The slug is separated from the hollow profile from the inside to the outside by the retraction of a plunger integ... | 12/28/1999 |
| 5974852 | Lifter unit for transfer die A lifter unit is provided for use with a transfer die of the type used to form sheet metal components. The lifter unit functions to appropriately position a stamping between the upper and lower die assemblies and is easily accessible from the top of the l... | 11/02/1999 |
| 5884520 | Die set having shut height adjust and stripper plate actuator mechanisms A die set (24) for use with a stamping and forming machine (10) includes two opposed tooling plates (50, 52) arranged to undergo reciprocating motion with respect to a base plate (40) toward and away from a strip of material (30) that is fed along a feed ... | 03/23/1999 |
| 5857375 | Can end stripper and part ejector Can ends are ejected from a tool station by a lifter ring and air currents in an ejector chute provided by a curved nozzle assembly adjacent an opening in the lower edge of the chute. It entrains can ends in air current across the die station and over a k... | 01/12/1999 |
| 5823104 | Press for cold working of metal workpieces The invention is a press for cold working of metal workpieces. The invention includes a double-acting linear hydraulic power drive cylinder, a continuous press frame for accepting reactive forces that develop during the operation of the press, and a contr... | 10/20/1998 |
| 5816089 | Hydroforming apparatus having in-die hole piercing capabilities and a slug ejection system using hydroforming fluid A hydroforming apparatus having in-die hole piercing capabilities and a slug ejection system is disclosed. The slug ejection system uses the pressurized hydroforming fluid as the motive force to eject the slug of material created by the in-die hole pierci... | 10/06/1998 |
| 5735159 | Assembly to expel bars Assembly to expel bars which is associated with a bar production line (11) fed by a coiled roll (12), the bar production line (11) comprising in line a straightening and drawing assembly (13), an assembly (14) for shearing to size, a revolver-type storage... | 04/07/1998 |
| 5666838 | Forging press for use with automated multi-station transport system A hot forging press for use in closed-die hot forging operations wherein the forging press may be operated in conjunction with an automated multi-station transport sub-system to move parts through a progressive multi-station forging die. The press include... | 09/16/1997 |
| 5542276 | Method and an apparatus for ejecting an elongate blank from a die A method of ejecting an elongate blank (57) from a through bore in a die (58) in which one end of the blank (57) has been formed with a head by a tool. Ejector rods (60, 62) are successively moved into the die (58) against the other end of the blank. A fi... | 08/06/1996 |
| 5542277 | Apparatus for stripping a drawn article from a punch In a press comprising at least one die (3), a hollow punch (1) and ram (2) assembly movable through the die, and a bottom forming tool (13) having a convex surface portion (14) axially aligned with the punch, said punch and ram assembly having a valve sea... | 08/06/1996 |
| 5497646 | Air stripper for can body maker apparatus In a can body maker apparatus including ram means for the forming of a can body mounted for reciprocal motion within a can body maker frame, an improved pressurized air delivery system is incorporated into the ram system to accomplish the air strip of the... | 03/12/1996 |
| 5357663 | Slide fastener coupling element forming apparatus In a slide fastener coupling element forming apparatus, a blank wire of a generally Y-shape cross section intermittently supplied at a predetermined pitch is cut off into pieces of a predetermined thickness by a fixed cutting punch and a reciprocating cut... | 10/25/1994 |
| 5353625 | Terminal crimping machine An object of the present invention is to provide a terminal crimping machine which assures that undesirable bending of a cable caused due to the fact that a terminal firmly fitted into a crimper is raised up together with the crimper after the time of ter... | 10/11/1994 |
| 5331836 | Method and apparatus for forming can ends Method and apparatus for forming can ends is disclosed wherein ends are blank from sheet material and formed in a die in which the completed end is formed and removed from the die at a vertical position below the blanking position. Formation and removal o... | 07/26/1994 |
| 5283946 | Method and apparatus for forming metal leads The excise and lead form of TAB leads bonded to an integrated circuit chip. Leads extending beyond a sidewall are clamped between a first clamp and a form anvil at a first portion spaced from the chip. The leads are also clamped between an excise/form too... | 02/08/1994 |
| 5226306 | Bead forming metal die for forming metal gasket A progressive bead forming metal die for forming beads in a metal gasket is constituted by a bead-forming die disposed between a hole punch die and an outer profile punch die. The bead-forming die comprises a pair of upper and lower inner bead boundary ba... | 07/13/1993 |
| 5210936 | Method and apparatus for the excise and lead form of TAB devices The excise and lead form of TAB leads bonded to an integrated circuit chip. Leads extending beyond a sidewall are clamped between a first clamp and a form anvil at a first portion spaced from the chip. The leads are also clamped between an excise/form too... | 05/18/1993 |
| 5155901 | Integrated circuit lead frame positioner apparatus and method An apparatus and method for precisely positioning an integrated circuit lead frame is disclosed. This apparatus includes a positioning post that cooperates with an index hole in the lead frame, and a lower spring finger. The index hole of the lead frame i... | 10/20/1992 |
| 5099672 | Forming press In the proposed forming press, a reversal device (17 to 20) is provided on a retention pin (1) inside the male die part (4) of the press, which reversal device retains the retention pin in its two end positions (X1, X2) until said re... | 03/31/1992 |
| 5065636 | Drive arrangement for a male-die-side ejector slidably disposed in a slide of a mechanical metal-forming press In the case of a drive for a male-die-side ejector slidably disposed in a slide of a mechanical metal-forming press having an angle lever which is pivotably disposed at the slide, one leg of the lever acting upon the end of the ejector facing way from the... | 11/19/1991 |
| 5058412 | Driving apparatus for activating a workpiece impelling mechanism in a nut former A driving apparatus includes a driving shaft journalled in a nut former, a hollow cylinder having an axially extending bore formed eccentrically therethrough and sleeved rigidly on the driving shaft in such a manner that the driving shaft extends through ... | 10/22/1991 |
| 5031439 | Drive for a male-mold-side ejector slidably disposed in a slide of a metal-forming press A drive for a male-mold-site ejector slidably disposed in a slide of a mechanical metal-forming press has an angle lever pivoted in the slide. One leg of the angle lever act upon the end of the ejector facing away from the male mold and the other leg of t... | 07/16/1991 |
| 4956008 | Apparatus for superplastic forming and ejection of a part from a die An apparatus for superplastric forming of metallic workpieces and, more particularly, aluminum workpieces is disclosed. The apparatus includes a mechanism for ejecting the workpiece from the die upon completion of the superplastic forming process. A steel... | 09/11/1990 |
| 4951537 | Apparatus for producing a blank from stock material An improvement to a stamping press having a blanking punch and die combination comprising a blanking die defining an opening, a cooperating blanking punch dimensioned closely to mate with the opening wherein the die edge defining the opening is radiused t... | 08/28/1990 |
