Class 72/354.8 - One yieldably connected to another

Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein force transmitted to one of the deforming
No. of patents: 39
Last issue date: 09/27/2011

Number	Title	Issue Date
8024952	Slide with segmented tooling held closed by stationary remote spring In a multi-station forging machine having a stationary die breast and a reciprocating slide moveable in a direction towards and away from the die breast, the slide carrying a tool holder at a workstation, a tool case moveable back and forth on the tool holder in the...	09/27/2011
7377042	Method of cold-forming near net shape metal roller blanks for anti-friction bearings A machine, method and tooling to precision cold-form roller blanks for anti-friction bearings. The machine is a multistage progressive former using floating die cavities to enable simultaneous shaping of the ends of the roller with high accuracy and without flash. T...	05/27/2008
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 cylindrical side wall (N1) and a mandrel (5) with an extern...	06/19/2007
7213434	Method for manufacturing universal joint yoke, forging die and preform A method for manufacturing a universal joint yoke that exhibits good yield in terms of material utilization through obtainment of a universal joint yoke perform whose excess metal to be trimmed is diminished and whose cup portion is of uniform height, includes a for...	05/08/2007
7213435	Splined clutch hub and method of making same An externally splined clutch hub and method for making the same is disclosed wherein a flat circular metal preform with a central opening is provided and contacted with a single forging die to simultaneously cold forge a centrally disposed tubular neck extending out...	05/08/2007
7197908	Method of manufacturing a member having toothed portion A method of manufacturing a member having a toothed portion, comprises a first step of cutting a work piece into predetermined dimensions and then deburring the same, and a second step, in succession with the first step, of pressing an axially end face of a portion ...	04/03/2007
7163763	Cold formed battery terminal A method and apparatus for cold forming a battery terminal having a base and an insert. The insert includes a first portion encapsulated within the base and a second portion that extends beyond a first side of the base. ...	01/16/2007
7117598	Net-shaped gear and manufacturing method for forming net-shaped gear employing insert and preform A differential assembly for a motor vehicle includes a plurality of pinion gears in meshing engagement with a plurality of side gears. At least one of the pinion gears and side gears is formed from a tubular insert and a tubular preform forged together in a forging ...	10/10/2006
7093513	Differential side gear and the production method thereof A one piece extruded differential side gear comprising internal splines which are used to connect to a drive shaft. The differential side gear includes outer circular gear teeth and defines a rectilinear blind hole in which an end portion of the drive shaft is recei...	08/22/2006
7036349	Scallop output shaft tools A die for forming a work-piece having a complex geometry includes a die insert having an interior surface that defines a first portion of the complex geometry and a retainer ring that selectively engages the die insert. The retainer ring includes a circumferential i...	05/02/2006
7021171	Annulus gear and drive shell A method of producing a torque transmission between a driving member and a driven member including the steps of capturing an annular gear within the interior of a hollow cylindrical shell formed of a formable material which is caused to be flow formed around a porti...	04/04/2006
7013696	Method of making a flanged tubular metallic part A method of making a flanged tubular metallic part by cold forging is provided. The method comprises a step of forming an axial depression in a blank and a flange forming step of making the depression axially deeper while causing a metal of the blank to flow radiall...	03/21/2006
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
6941782	Cold forging apparatus and method for forming complex articles A cold forging apparatus for forming complex shapes at a single station includes a pair of confronting multiple function punch assemblies disposed on a common axis. Each of the multiple function punch assemblies includes an inner or a center punch and an outer or ri...	09/13/2005
6902095	Two part cold formed battery terminal A method of cold forming a two-part battery terminal and a two-part cold formed battery terminal comprising a cold formed lead or lead alloy slug having a male fastener protruding from a one side of the cold formed slug with a head portion of the fastener rotational...	06/07/2005
6830419	Aerosol can ends A dome of a domed aerosol can end is initially formed and then a crown of the can end is formed so that material flow within a workpiece from which the can end is formed is controlled to substantially eliminate wrinkling problems associated with the use of sheet mat...	12/14/2004
6422053	Apparatus and method for forming a retaining ring on a wheel for a ratchet wrench A method of forming a ratchet wheel adapted to be disposed in at least one end of the ratchet wrench for engaging an element to be turned, includes the step of providing a wheel blank having a generally hollow, cylindrical body formed with a radially proj...	07/23/2002
6260400	Full enclosed forging apparatus A full enclosed forging apparatus comprising a construction in which an upper die holder and a lower die holder are respectively disposed as to face a press machine, at least one of the upper die holder and the lower die holder is composed of a holder mai...	07/17/2001
6233999	Method for ironing spline teeth in pressed stepped sheetmetal and sheetmetal clutch drum formed by same A method is provided for forming spline teeth on the walls of a press-formed sheet-metal article on which two peripheral walls of different diameters are disposed in a continuous manner via a step portion by means of a die with a plurality of steps of iro...	05/22/2001
5813272	Apparatus for full enclosed die forging The invention provides an apparatus for full enclosed die forging having a stationary die, a movable die toward and away from the stationary die and punches which plunge into a work in the closed dies to form tools. After the stationary die in the die hou...	09/29/1998
5373720	Method of making battery terminal with necked flange A cold-forming method of making a finished battery terminal with a necked down flange by first expanding the metal radially outward until the battery terminal die cavity is partially filled with metal and then upsetting the metal to complete the deformati...	12/20/1994
4870846	Method and apparatus for embossing the inside surface of a cup-shaped article A draw/emboss work station (600) of the invention includes emboss punch (594) moveable by a hydraulic system under control of a press slide (34). An emboss punch head (632) is moved downwardly into a cup-shaped article (626) to bring the article into a dr...	10/03/1989
4798077	Method for producing a family of forged ring rolling preforms and forging die therefor A method (FIGS. 4 and 4a) for making ring rolling preforms (102) of substantially toroidal shape for ring rolling (84) into substantially rectangular cross-sectional wall shaped forging blank rings (104) to be precision forged (86) into near net ring gear...	01/17/1989
4790169	Apparatus for doming can bottoms A can bottom forming assembly for forming the bottom wall of a can body. A bodymaker punch urges a can bottom wall first against an outer forming ring, then against a middle forming ring, and then against a domer die....	12/13/1988
4722215	Method of forming a one-piece can body having an end reinforcing radius and/or stacking bead The invention herein relates to a method of forming a one-piece can body having a reinforced pressure-resistant can end and/or stacking bead by first forming a generally cup-shaped blank defined by a generally cylindrical body, a radius portion and an end...	02/02/1988
4720899	Method of manufacturing scroll members for use in a rotary compressor A method of manufacturing a scroll member for use in a rotary compressor has the steps of heating a material which has been preformed into a substantially frusta-conical body consisting of a flat upper surface portion provided with a cylindrical projectio...	01/26/1988
4716755	Method and apparatus for forming container end panels A method of forming a container end piece includes blanking a work piece from a sheet of material and forming an inverted cup therefrom by wiping the peripheral edge of the blank over a die core ring. The inverted cup is then reversed by advancing a punch...	01/05/1988
4712411	Apparatus for making a forged metal article The present invention provides an apparatus for producing in a single stroke a forged metal article with a helical contoured surface. The apparatus uses an upper punch with a generally smooth surface which is telescopically received in a punch housing and...	12/15/1987
4635460	Apparatus for and method of the plastic forming of materials Method of plastically deforming a body of malleable solid material between male and female dies which are forcible pressed together. The material is subjected to repeated identical pressing cycles; in each pressing cycle the force between the dies is conc...	01/13/1987
4611482	Closed die forging apparatus A closed die forging apparatus has a fixed bottom die, and a top die at the bottom end of a piston rod depending from a top die carrier rigidly mounted to the underside of a ram. The top die carrier has defined therein a hollow in which a piston is receiv...	09/16/1986
4590782	Making of a bevel gear A bevel gear is made by means of a die, a punch, and two concentrical counterpunches, one having a particularly contoured extension. A cylindrical blank, having a diameter not larger than the smallest bevel gear root circle, is inserted in the die; a port...	05/27/1986
4580431	Method and apparatus for producing a stepped hollow article A method and apparatus for producing a stepped hollow component such as, for example, a gear blank. A solid slug, provided with a disc portion and a projecting portion, is placed in a rigid cylindrical recess formed between a counterpunch and a hollow mol...	04/08/1986
4516421	Devices for manufacturing annular frames for seals and to the corresponding frames and seals To produce an annular metal frame having an L shaped half-section for a lipped seal, a metal strip is cut into lengths, each of these lengths is rolled up circularly until its two ends are in abutment, so as to form a cylindrical ring (7), then this ring ...	05/14/1985
4457158	Method and apparatus for necking can bodies Can manufacture, particularly the formation of can necks, is improved by modification of necking tooling to stop the rearward travel of the interior of its two coaxial can-deforming members between which can bodies frequently become jammed. The addition o...	07/03/1984
4397345	Manufacture of rims for the wheels of road vehicles Apparatus for the manufacture of a rim for the wheel of a commercial load carrying or passenger service vehicle, which apparatus comprises in combination bending apparatus for bending steel strip and butt welding the edges thereof to form a cylindrical co...	08/09/1983
4351177	Apparatus for making a bevel gear The apparatus includes a die, a punch, and a concentric counterpunch having an annular front extension; the die cavity has a spline-shaft-like extension and the counterpunch extension has a frustroconical tip and/or lateral teeth which mesh with the splin...	09/28/1982
4321818	Closed forging press In a hydraulic forging press having one or a plurality of press rams actuated reciprocatively through working oil by reciprocating motion of pump ram given by mechanical driving means, a closed forging press being provided with one or a plurality of punch...	03/30/1982
4212185	Hydraulic press system A press structure wherein the usual crank mechanism is utilized solely for the movement of the press tooling and forging pressure is exerted by way of load cylinders interconnecting the press ram and load beam so that the press ram and load beam are drawn...	07/15/1980
4068518	Method of manufacturing an extruded steel component A method of manufacturing an extruded steel component for use in a roller clutch assembly comprises initially providing a steel preform which defines a hollow shank part of the required component and which includes a hollow head portion tapering inwardly ...	01/17/1978

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Class 72/354.8 - One yieldably connected to another