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Match Document Document Title
8955364 Pilot assembly with press fit insert/body construction and method for metal forming dies  
A pilot assembly and method has a cylindrical pilot body with a pilot insert having tapered outer end. The pilot assembly has at least one inwardly curved sidewall relief, as well as internally...
8950233 Shoulder pilot assembly with self-contained stripper and method for metal forming dies  
A pilot assembly with a self-contained stripper and method for metal forming dies has a cylindrical pilot with internally mounted reciprocating ejector pins with outer ends that protrude through...
8919178 Guided keeper and method for metal forming dies  
A guided keeper and method for metal forming dies includes a base with a head portion and an opposite externally threaded mounting portion received in a mating die aperture. A scalloped shoulder...
8910502 Guided keeper and method for metal forming dies  
A locking collar assembly for metal forming dies includes a disc-shaped locking collar with a cylindrical outer surface closely received in a collar bore in one face of a first die member. A...
8881570 Press  
A press (1) including: —a frame (2); —a first press bed (3) with a first tool part (4), wherein the first press bed (3) is provided between the frame (2) and the first tool part (4); —first...
8857236 Forging device  
A forging device capable of producing a high-quality forged article while simplifying the structure is provided. The forging device of the present invention includes a punch 1, a die 2 having a...
8789404 Compression limiter having retention features  
A compression limiter is disclosed that comprises an upper surface and a lower surface. The compression limiter further comprises an inner surface that defines a passageway configured to...
8776569 Forging mold  
A forging mold includes a female mold and a male mold coupling with the female mold. The female mold includes an external mold defining an accommodating groove for receiving an internal mold and a...
8701457 Process and apparatus for positioning laminations  
The present invention concerns a process and an apparatus for positioning blanks in a tool provided with at least one die, at least one locating device for centring the lamination and at least one...
8522595 Guided keeper assembly and method for metal forming dies  
A guided keeper assembly for metal forming dies includes a base having a mounting face and a fastener aperture to mount the base to an associated die shoe, as well as a central guide aperture. A...
8511128 Ejection of residual parts from plate-type workpieces  
A plate-type workpiece part ejector tool includes an upper tool portion and a lower tool portion. The upper tool portion includes a tool body, and a plurality of cutting tools that carried by the...
8459084 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...
8375762 Stripper device for can drawing and ironing apparatus  
A stripper device for can drawing and ironing apparatus can remove a drawn and ironed can material from a punch without causing buckling (curl and wrinkle) on the material. Each finger (2) is...
8309019 Powder metal forging and method and apparatus of manufacture  
A method of forming a powder metal forging, including the steps of: forming a preform including a sintered powder metal composition; inserting the preform in a die set having a bottom die and a...
8302447 Device for forging bush-shaped objects and a forged part produced therewith  
A device and method are provided for forging sleeve-shaped parts such as pistons. The device includes a form with: an upper form mandrel (C); an outer form ring (A); a lower form mandrel (B); an...
8215148 Shear punching die assemblies  
A shear punching die assembly having first and second die units in which a material is punched to form a work while the material is clamped between the first and second die units is taught that...
8151619 Guided keeper assembly and method for metal forming dies  
A guided keeper assembly and method for metal forming dies includes a base having a mounting face, a connector portion and a central aperture. A guide pin has a cylindrical center portion closely...
8074486 Guided keeper assembly and method for metal forming dies  
A guided keeper assembly and method for metal forming dies includes a base having a flat mounting face and at least one marginal fastener aperture to detachably mount the base to an associated die...
8006532 Workpiece supporting device for a multiple-die horizontal forging press  
A workpiece supporting device for a multiple-die horizontal forging press comprises a transfer pliers arranged at each recess of a die and having a movable stem operating as a workpiece ejecting...
7950262 Guided keeper assembly and method for metal forming dies  
A guided keeper assembly and method for metal forming dies includes a base having a flat mounting face and at least one marginal fastener aperture to detachably mount the base to an associated die...
7838075 Surface strengthening method  
A method for strengthening a surface of a metal member. The method includes the following steps in the sequence set forth: (a) coating the surface of the metal member with a carbon-based film...
7765847 Modular power pack assembly  
Provided herein are pressure modules for use with die pressing operations for stripping work pieces from individual dies. The pressure modules include a top plate and a transfer plate that is...
7730757 Guided keeper assembly and method for metal forming dies  
A guided keeper assembly and method for metal forming dies includes a base having a flat mounting face and at least one marginal fastener aperture to detachably mount the base to an associated die...
7393194 Powdered metal process tooling and method of assembly  
A tool for use in a powder metal process is disclosed. The tool includes an upper tool and a lower tool. The upper and lower tools may include multiple members for each tool. The lower tool having...
7347076 Forging method and apparatus for forming helical gear  
Disclosed herein are a helical gear forging apparatus wherein a forming introduction portion thereof, used to form gear teeth of the helical gear, is variable in shape on the basis of the desired...
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...
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...
7231799 Method and device for the production of a workpiece with internal toothing, in particular a hollow wheel  
The invention relates to a method and an apparatus for producing a workpiece with internal toothing, especially an internal geared wheel, by using a cup shaped preform (N) with a substantially...
7131311 Method of and apparatus for forming forging blank  
When an actuator is operated, an upper die is displaced downwardly, pressing a lower surface of a workpiece against a forming surface. After the upper die is displaced upwardly, an ejecting member...
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...
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...
7004007 Die cushion apparatus for hot stretch-forming  
A self-contained die cushion assembly for use in a stretch-forming process involving heated tooling. A lower plate is mounted below an upper plate that undergoes different thermal expansion than...
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...
6837087 Guide pin slot arrangement for super plastic forming blanks providing improved blank guidance and formed part release  
A blank positioning and guide construction which includes guide pin slotting that effects the accurate positioning of the sheet on the forming die and guide pin thereof and which provides for the...
6684678 Method for extracting a tool from a hollow object and tool for machining a hollow object  
The invention relates to a method for extracting a die (4) from a hollow object (11) having several grooves (16, 17) arranged opposite one another on the surface of the inner sheath whereby the...
6484549 Die block assembly  
A die block assembly includes a sliding block (50) and a die plate (70). The sliding block has a base (53) from which a pair of slanted rails (58) extends. A protrusion (61) with a vertical outer...
6477883 Die block apparatus for shaping workpieces  
A die block apparatus for shaping workpieces by way of die stamping includes a die block (40), a first sliding block (10), a second sliding block (30), and a stopper block (50). The die block is...
6470728 Cold forging method and apparatus  
A stock inserted into a die is sandwiched between a punch and a knock-out, a predetermined pressing force is applied to the knock-out, and a pressing force larger than the sum of the pressing...
6438844 Method and apparatus for manufacturing constant velocity joints  
A method and tool are provided for manufacturing an outer race for constant velocity joints by plastic deformation of a preform having a cavity open on one side to produce axial ball tracks and...
6250128 Forging die and upset forging method  
An upset forging die device and method are provided for upset-forging a raw material that is being filled in a cavity of a lower molding die at a portion between an upper punch of an upper molding...
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...
6089986 Die for forming self-tapping fastener blank  
A header die for forming a self-tapping fastener blank provides die forming zones within which the blank is formed, the blank therby defining an odd number of lobes along a cross section taken...
6071196 Adjustment device for use in the forging of small metal items  
An adjustment device for use in the forging of small metal items, especially applicable to forging machines for the production of screws, rivets and the like, suitable to realise the rapid...
6041640 Spiral and hypoid tooth member and method and device for forming the same  
A method and apparatus for ejecting a member from a die. The method includes the steps of rotating the member about its axis and axially displacing the member relative to the die. The ejector...
5970775 Method and apparatus for forming cup-shaped container bodies  
Apparatus and method for forming cup-shaped container bodies in a press by blanking a disk shaped metal blank from a flat metal sheet by a cutting die and forcing the disk blank through a blank...
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...
5946963 Bevel gear hot-forging apparatus  
At the time of closing a die mold, an upper die (18) is rotated with respect to screws (44a-44d) while being brought into contact with a lower die (14) by means of drive gears (42a-42d) and a...
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...
5850756 Workpiece ejecting mechanism for a forging apparatus  
A workpiece ejecting mechanism for a forging apparatus includes a rod passage formed in a machine bed, and a workpiece pushing rod and a driving rod which are received slidably in the rod passage....
5815922 Method and apparatus for forging helical ring gear  
An apparatus for forging a ring gear having inner and outer helical gears formed with a predetermined phase relation therebetween is described. The apparatus is composed of a fixed outer die, a...

Matches 1 - 50 out of 167 1 2 3 4 >