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| Number | Title | Issue Date |
| 8069698 | Trim and pierce press assembly and method of use A press assembly including a die assembly having a trim die defining an annular cavity wherein the trim die is fixed to the press assembly, a punch assembly including a trim punch having an annular boss that is correspondingly shaped to the annular cavity, wherein t... | 12/06/2011 |
| 7963141 | Press working method and press working apparatus In a press working apparatus, while a servo motor is acting, an upper die is made to come close to a lower die and press working of the first time is conducted on a steel plate. A slider is raised to a movable punch preparation position. A movable punch is protruded... | 06/21/2011 |
| 7302822 | Shell press and method for forming a shell An apparatus and method for forming a shell with a central panel and a chuck wall is provided. The apparatus and method employ the use of a biasing member to selectively bias and control movement of the inner pressure sleeve and a die core having an outer diameter e... | 12/04/2007 |
| 7290428 | Can bottom forming assembly A can bottom forming assembly for use in forming the bottom of metal cans, such as steel and aluminum two piece cans. The bottom forming assembly is lightweight and comprises outer and cylinder housing assemblies which house a clamp ring retainer assembly, a transfe... | 11/06/2007 |
| 7257981 | Closed forging method, forging production system using the method, forging die used in the method and system, and preform or yoke produced by the method and system A closed forging method for producing a forged product includes preparing as a forging material a cylindrical cast ingot that has a volume the same as the volume of a forged product and assumes a shape having an upper surface, a lower surface and a side surface and ... | 08/21/2007 |
| 7243520 | Stripping assembly A stripping assembly for removal of a can body from a punch in a can bodymaker in which an actuator lifts stripper fingers clear of the can carried on the punch in the forward stroke to avoid damage to the can or can coating. On the return stroke, the actuator pisto... | 07/17/2007 |
| 7197909 | Press unloader A press unloader is provided for unloading parts from a press. The unloader comprises at least one arm. The arm is operative to rotate responsive to rotation of a shaft into and out of the press between an internal position between the dies of the press and an exter... | 04/03/2007 |
| 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 |
| 7082807 | Forging press comprising an adjusting device on the matrix side thereof A forging press in which adjustment of the tool positions relative to each other can be quickly and easily carried out, in spite of involving a low level of structural complication and expenditure, in particular by virtue of good accessibility, and especially with a... | 08/01/2006 |
| 7032286 | Method of making steel couplers for joining concrete reinforcing bars A section of heat treated solid steel rod receives a phosphate solution treatment and is inserted into a blind cavity of a first die member within a cold forging press. A punch is forced axially into the rod section in successive steps to cold-forge a first bore and... | 04/25/2006 |
| 7021113 | Device for stripping a wheel rim from a wheel rim expanding tooling apparatus An improved device for stripping a wheel rim from a wheel rim expanding tooling apparatus (100) includes an inboard wheel rim expanding tooling assembly (102) including a plurality of segmented inboard wheel rim press members, an outboard wheel rim exp... | 04/04/2006 |
| 7021111 | Forging machine with a guiding roller mechanism for guiding movement of a sliding plate unit A forging machine includes a machine bed, a driving unit driven by a driving source to activate a feeding unit, a sliding seat unit, and a forging unit. The machine bed includes left and right sidewalls. The driving unit is disposed at an inner side of the left side... | 04/04/2006 |
| 7010154 | Money identifying method and device A money identifying method and a device which can identify money with high precision and quickly by optimally binarizing a surface image of the money. The center coordinates and radius of subject coin C are extracted by a coin shape extraction section from the surfa... | 03/07/2006 |
| 7007537 | Clam shell system A work piece has an interior cylindrical component. The interior cylindrical component is composed of a beam. The beam is adapted to apply pressure to remove the work piece. An intermediate cylindrical component has four radial spaced cylindrical control arms, an in... | 03/07/2006 |
| 7000319 | Method of manufacturing outer races for tripod-type constant velocity universal joints To make a peripheral lip region to be formed with chamfered portions by the use of a plastic working technique, to enable the use of a cup forming punch of a simplified shape so that a mold used therewith can be easily assembled and the punch when worn down can easi... | 02/21/2006 |
| 7000445 | System for forming an elongated container A system for forming a cup used in forming an elongated container including a draw-redraw station including a movable platen carrying a punch shell; a punch core riser, a punch core mounted on the punch core riser; and a first, fluidly actuated pressure sleeve; and ... | 02/21/2006 |
| 6925923 | Rotary cutting die mounting system A clamping mechanism for securing a cutting die board to a rotary support cylinder, including a double-acting pressure cylinder having a piston rod coupled to a clamping bolt which cooperates with a keyhole-shaped slot formed through the cutting die board, and an ar... | 08/09/2005 |
| 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 |
| 6907765 | Ram-side ejector device for workpieces in single-or multi-stage presses A ram-side ejector device for shaping presses comprising a press carriage, which is movable between a pressing position extended relative to a stationary press die and an end position at a distance therefrom and comprises a press ram cooperating with the stationary ... | 06/21/2005 |
| 6804982 | Device for the extraction of forged details, extraction unit comprising this device and the machine for the production of forged details A device for the extraction of forged details (1) comprising a base (2) coupled with a forging head (3) supporting an extraction bar (4) of the forged details (11), a driving device (5), a command device (6) and an ad... | 10/19/2004 |
| 6796158 | Adjustable knockout assembly for a press system A press system having a frame, a slide, a first die element on the slide, and a knockout assembly. The slide is movable guidingly relative to the frame in a predetermined path between a first position and a second position. The first die element has a forming surfac... | 09/28/2004 |
| 6662617 | Press for transforming work pieces A press for transforming work pieces including a drive apparatus for driving at least one press tappet and at least one tappet element. The drive apparatus is connected with at least one extractor element through a lever linkage. A tool with a tool lower ... | 12/16/2003 |
| 6571452 | Method of making steel couplers for joining concrete reinforcing bars A section of heat treated solid steel rod receives a phosphate solution treatment and is inserted into a blind cavity of a first die member within a cold forging press. A punch is forced axially into the rod section in successive steps to cold-forge a fir... | 06/03/2003 |
| 6305209 | Workpiece blanking apparatus A workpiece blanking apparatus has a die, a pad for holding a plate of metal on the die, a blanking punch for depressing the plate on the die downwardly of the die to blank a workpiece out of the plate, and a counterpunch vertically movably disposed in th... | 10/23/2001 |
| 6067837 | Device for the extraction of small metal items A device for the extraction of small metal items, especially applicable to automatic forging machines for the production of screws, rivets and the like, provided with one or more forming punches (1), comprises means (25), (27), (28), (29), (30), (10) arti... | 05/30/2000 |
| 6026670 | Apparatus for use in forming can bodies Apparatus for use in forming can bodies comprises a punch including a hollow punch sleeve with a supply of compressed air connected to the interior thereof. A concave dome void recess in the nose of the punch is adapted to receive a correspondingly shaped... | 02/22/2000 |
| 5953950 | Method and apparatus for manufacturing disk products having helical ridges A method and an apparatus for producing a disc product having a plane carng a relief and helical ridges on the outer peripheral side. The inventive production method and the apparatus therefor have enabled a continuous processing of a material mass to fo... | 09/21/1999 |
| 5901598 | Method and apparatus for ejecting sheet metal parts from a press A method for ejecting sheet metal parts from a press, the press comprising a stationary core die portion and a movable punching die portion driven during a working stroke towards and during a return stroke away from the core die portion by driving means, ... | 05/11/1999 |
| 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 |
| 5492000 | Rotary valve controlled apparatus for stripping cans from bodymaking ram A press for forming the relatively long cylindrical body of a so-called two piece beverage can utilizes a horizontally reciprocating ram to drive a relatively short cup through a circular die pack. Compressed air applied through a rotary valve is utilized... | 02/20/1996 |
| 5389227 | Electroforming mandrels Methods and apparatus for separating a mandrel having a tapered end portion from an article formed thereon comprising: (a) providing the mandrel having an opening in the tapered end portion; (b) plugging at least a substantial portion of the opening with ... | 02/14/1995 |
| 5241849 | Drawing apparatus in the bedplate of a press A drawing apparatus pressure pins acting upon the metal sheet holder in the bottom part of the tool are selected, has additional pressure cylinders fastened in the pressure cheek between the actual drawing apparatus acting upon a pressure cheek and the pr... | 09/07/1993 |
| 5115662 | Apparatus for stripping workpieces Apparatus for stripping a cylindrical workpiece, such as a can body, from a cylindrical supporting device, such as a punch of a can body making machine, using a plurality of pivotally mounted fingers which are mounted between a non-stripping location so t... | 05/26/1992 |
| 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 |
| 5056350 | Apparatus and method for stripping a workpiece from a supporting device Apparatus and method for stripping a can body having an open end and a closed end from the punch on a reciprocating ram of a can body making apparatus wherein a cavity exists between the closed end and the punch and wherein the ram has a forward stroke an... | 10/15/1991 |
| 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 |
| 5001920 | Method and apparatus for manufacturing a constant velocity joint and the like A method and apparatus for manufacturing a product such as a constant velocity joint having a recess whose opening has a lesser diameter than its interior, by ironing a workpiece supplied to working parts of punches which workpiece is pre-formed into a ho... | 03/26/1991 |
