Patents for B21J 9 - Forging presses (2,855)
02/1985
02/12/1985US4498326 Apparatus and process for forming articles by heading
02/12/1985US4498321 Method of and apparatus for forming long metal tubing stock to tapered shape
02/05/1985US4497195 Swaging machine
02/05/1985US4497194 Method and apparatus for performing multiple closed and semi-closed operations on an open die press
01/1985
01/03/1985WO1985000023A1 Pipe deforming method and apparatus
12/1984
12/19/1984EP0128794A1 Apparatus and process for forming articles by heading
11/1984
11/27/1984US4484464 Electrical upsetting method and device therefor
11/20/1984CA1178117A1 Full tonnage stop for hydraulic presses
09/1984
09/25/1984US4473738 Method and apparatus for hot forming a polygonal head on a snap tie rod
09/19/1984EP0118914A2 Method and apparatus for the production of an embossment
09/11/1984US4470325 Gear drive of forging machine
09/11/1984US4470286 Upsetter mechanism for simultaneously upsetting a plurality of work items
08/1984
08/21/1984US4466266 Mechanical crank press
08/14/1984US4464924 Swaging machine
08/07/1984US4463587 Article handling assembly for forging presses having a spraying mechanism for cleaning, lubricating and cooling the press
07/1984
07/17/1984US4459840 Rolling wobble press
07/03/1984US4457156 Horizontal tube upsetter
07/03/1984CA1170116A1 Vertical press
07/03/1984CA1170106A1 Method for pressing of articles and device for its realization
06/1984
06/26/1984US4455851 Swaging machine
05/1984
05/01/1984CA1166486A1 Multiple action press tool
04/1984
04/24/1984US4444039 Die forging press
04/17/1984US4442694 Floor-mounted forging press having a stationary piston with a bore for supplying a pressure medium, and a moving cylinder
04/10/1984US4441353 Clamp mechanism for upsetter
03/1984
03/27/1984US4438644 Forging device
03/06/1984US4434646 C-Frame press
02/1984
02/14/1984US4430882 Multi-stage metal-working machine
02/14/1984US4430881 Swaging machine
01/1984
01/25/1984EP0099256A2 Improvements in or relating to swaging apparatus
01/03/1984US4423614 Apparatus for shaping articles by rolling
12/1983
12/20/1983US4420964 Method of and apparatus for the pressworking of articles
12/13/1983US4419878 Hydraulic drop forging press of above-construction with prestressed press frame
12/08/1983WO1983004197A1 Method and apparatus for making steering rack bars
11/1983
11/22/1983US4416139 Guiding a mandrel or punch for piercing or cold-extrusion
11/08/1983US4413498 Rotary transfer press
10/1983
10/04/1983US4407682 Determination of variations in metallography with heating or cooling
08/1983
08/31/1983EP0087072A1 Rotary swaging machine
08/16/1983CA1151946A1 Hydraulic press
08/09/1983US4397175 Apparatus for controlling the movement of a reciprocatory hydraulically driven element
08/03/1983EP0084940A1 Swaging apparatus having elastically deformable members
07/1983
07/13/1983EP0083577A1 Device for holding tube ends in a hydraulic press for upsetting tube ends
07/05/1983US4391118 Mechanism for forming a hole through a forged workpiece
05/1983
05/24/1983US4384517 Full tonnage stop for hydraulic presses
05/11/1983EP0078775A1 Machine for continuously shearing off and cold-heading of wire material
05/03/1983CA1145594A1 Forging method and apparatus
04/1983
04/20/1983EP0077160A1 Forging apparatus
04/12/1983CA1144404A1 Forging device
03/1983
03/29/1983CA1143595A1 Multiple piece torch tip
03/08/1983US4375781 Double-acting hydraulic press
12/1982
12/21/1982US4364258 Holder for hydraulic swaging tool
11/1982
11/02/1982CA1134649A1 Die assembly for use in forging operation
10/1982
10/13/1982EP0062317A1 Method of plastic working of metal materials
08/1982
08/10/1982US4343175 Power press
06/1982
06/23/1982EP0054522A2 Process for the manufacture of hinges, particularly for vehicle doors
04/1982
04/27/1982CA1122446A1 Upsetting of tube ends
04/07/1982EP0048776A1 Precision forging press
03/1982
03/30/1982US4321818 Closed forging press
02/1982
02/02/1982US4313332 Rotary forging machine
01/1982
01/26/1982US4312211 Forging method and apparatus
01/05/1982US4308745 Hydraulic press
01/05/1982US4308734 Workpiece detection device for cyclical machines
12/1981
12/16/1981EP0041690A2 Multistage metal-forming machine
12/08/1981US4304041 Automatic tool changer for forging machines
11/1981
11/11/1981EP0039577A1 Method and apparatus for pressworking a workpiece or material
11/10/1981US4299110 Method for forming a hole through a forged workpiece
11/03/1981US4297870 Hydraulic press with integral knockout and stroke control
09/1981
09/29/1981US4291571 Forging press
09/29/1981US4291566 Method of and apparatus for forging metal
09/02/1981EP0034617A1 Method and machine for high energy rate forming
09/01/1981US4286454 Apparatus for forging shaft flanges
06/1981
06/16/1981US4272978 Progressive stage forging machine
05/1981
05/27/1981EP0029223A2 Hydraulic service system for a pulsating press
05/05/1981US4265105 Forging apparatus
04/1981
04/28/1981US4263799 Method and machine for forming a lump on the end of a pipe
04/02/1981WO1981000824A1 Control process of the operating cycle of a fluid pressure machine and fluid pressure machine with a fluid control
04/01/1981EP0025987A1 Method to control the workcycle of a fluidic pressure controlled machine, and machine with fluidic control
03/1981
03/31/1981US4258562 Press structure having shiftable stop
03/05/1981WO1981000528A1 Method and machine for high energy rate forming
02/1981
02/24/1981US4252011 Die assembly for use in forging operation
01/1981
01/07/1981EP0021166A1 Forging device
11/1980
11/25/1980US4235088 Servohydraulic press with a closed loop control circuit and method of operating a fluid pressure operated press
10/1980
10/28/1980US4229963 Machine for noncutting metal shaping
10/14/1980US4227394 Process for the automatic manufacture of drop forging
08/1980
08/20/1980EP0014570A1 Rotary forging machine
08/20/1980EP0014245A1 Apparatus for upsetting tube ends
07/1980
07/22/1980US4213322 Method and apparatus for upsetting pipe
07/15/1980US4212185 Hydraulic press system
07/15/1980US4212183 Upsetting of tube ends
07/01/1980US4210013 Press with load transfer mechanism
06/1980
06/24/1980US4208899 Press for producing machine elements, especially balls, rivets and the like
06/24/1980US4208895 Method and apparatus for controlling a hydraulic screw press
06/10/1980US4206628 Press with hydraulic load transferring mechanism
05/1980
05/28/1980EP0011293A1 Device for cutting off a blank from bar stock and feeding the blank to the pressing tools of a doubly acting press
05/27/1980US4204418 Machine and method for electric forging of the end of a metallic stick in a plane generally perpendicular to the stick
05/20/1980US4203336 Punch change mechanism for a double pressure pin press
04/1980
04/22/1980CA1076045A1 Press drive mechanism
04/15/1980CA1075639A1 Apparatus and methods for continuous extrusion
03/1980
03/11/1980US4192167 Process and apparatus for upsetting pipe ends
03/04/1980US4191044 Hydraulic screw press
02/1980
02/05/1980US4186587 Forging press
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