Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21J - Forging; Hammering; Pressing; Riveting; Forge furnaces › B21J 13 - Details of machines for forging, pressing, or hammering
Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375)
08/1982
08/17/1982US4344312 Forming press with a cam arrangement
08/17/1982CA1129822A1 Fastening system including segmented self-releasing anvil
08/03/1982US4342448 Gas-operated cylinder
08/03/1982US4342233 Load detecting probe
07/1982
07/27/1982US4341297 Feed mechanism
07/08/1982WO1982002159A1 Die fixation device of forging machine
07/08/1982WO1982002157A1 Gear drive of forging machine
06/1982
06/23/1982EP0054522A2 Process for the manufacture of hinges, particularly for vehicle doors
06/09/1982EP0053143A1 Punch and die assembly
06/08/1982US4333329 Cross transport press
05/1982
05/18/1982US4329867 Articulating frame press
05/12/1982EP0051577A1 Method of producing friction wheels for pyrophoric lighters
04/1982
04/14/1982EP0049474A1 Forging die for a part with internal, tapered grooves
03/1982
03/31/1982EP0048282A1 Nib for bolt head or nut forming tool
03/30/1982US4321819 Press construction
03/30/1982US4321813 Pusher block for rotary forging machines and method of using same
03/02/1982US4317358 Die lifter unit for pressing or punching machine
03/02/1982US4317354 Blank rejector for forging machine
02/1982
02/09/1982US4314471 Metal extrusion press-billet loader
01/1982
01/26/1982US4312211 Forging method and apparatus
01/20/1982EP0043982A1 Combined hydraulic device for clamping and rotating the upper press tool in forging presses
01/05/1982US4308743 Blank deflector
01/05/1982US4308734 Workpiece detection device for cyclical machines
01/05/1982CA1115510A1 Cold centre flow forming
12/1981
12/29/1981US4307600 Forming press with at least one tool couple
12/29/1981US4307599 Stamping press
12/24/1981WO1981003632A1 Punch and die assembly
12/16/1981EP0041690A2 Multistage metal-forming machine
12/16/1981EP0041633A2 Metal-forming press for the production of pressed pieces
12/15/1981US4305273 Method for forging large irregular shapes in a closed-die operation in a conventional open-die press
12/08/1981US4304041 Automatic tool changer for forging machines
11/1981
11/24/1981US4301671 Supported knockout pin assembly for forging machines or the like
11/04/1981EP0039011A1 Apparatus for gauging the workpiece in a multi-stage forming machine, in particular a multi-stage press
11/03/1981US4297870 Hydraulic press with integral knockout and stroke control
11/03/1981CA1111674A2 Short-crimp surgical needle
10/1981
10/27/1981US4296625 Crank press with lateral rod ejector
10/13/1981US4294101 Method of making single or double flanged track tractor roller for off-highway equipment
10/06/1981CA1110155A1 Laminated board and hammer combination for a drop hammer forge
10/06/1981CA1110154A1 Laminated board and hammer combination for a drop hammer forge
10/01/1981WO1981002697A1 Nib for bolt head or nut forming tool
08/1981
08/19/1981EP0034139A1 Cast hammer for a forging machine
08/18/1981US4283974 Bar end dropper for forging machines or the like
07/1981
07/29/1981EP0032668A1 Cold-process or semicold-process massive-forming die
07/29/1981EP0032518A1 Transforming-press with a cam device
07/28/1981CA1105685A2 Shock and vibration control system for forging hammer
07/07/1981US4276764 Die set for sizing sections
06/1981
06/23/1981US4274276 Method and apparatus for producing a workpiece by extrusion molding
06/16/1981US4272981 Workpiece manipulator for forging press
06/16/1981US4272978 Progressive stage forging machine
06/09/1981CA1102833A2 Shock and vibration control system for forging hammer
05/1981
05/05/1981US4265105 Forging apparatus
04/1981
04/21/1981CA1099538A1 Warm forging of connecting rod caps
03/1981
03/31/1981US4258620 Tool fastening means for a press
03/31/1981US4258562 Press structure having shiftable stop
03/24/1981US4257254 Adapter cushion
03/24/1981US4257253 Stamping apparatus with improved ejection mechanism
03/17/1981US4255955 Automatic safety mechanism for forming machines
03/10/1981US4255075 Loader
02/1981
02/24/1981US4252011 Die assembly for use in forging operation
02/17/1981US4250735 Press action machines
02/17/1981US4250733 Fastening system including segmented self releasing anvil
02/17/1981US4250730 Device for the ejection of a shaped workpiece at the male die on a cross-feed press for non-cutting metal shaping
02/10/1981CA1095399A1 Die holder assembly
01/1981
01/27/1981US4247244 Transfer mechanism
01/06/1981US4242896 Apparatus for forming long workpieces in presses
11/1980
11/25/1980US4235576 Presses
11/25/1980CA1090380A1 Shock and vibration control system for forging hammer
11/25/1980CA1090170A1 Forging apparatus having means for radially moving blade die segments
11/04/1980US4231701 Manipulator
10/1980
10/14/1980US4227394 Process for the automatic manufacture of drop forging
10/14/1980US4227390 Transfer mechanism for multiple punch presses
09/1980
09/16/1980US4222260 Warm forging of connecting rod caps
07/1980
07/23/1980EP0013545A1 Forging die and blank produced by using the die
07/15/1980US4212189 Tool for isothermal forging
06/1980
06/24/1980US4208899 Press for producing machine elements, especially balls, rivets and the like
06/03/1980US4205427 Multiple stage press
05/1980
05/27/1980US4204421 Laminated board and hammer combination for a drop hammer forge
05/27/1980US4204420 Laminated board and hammer combination for a drop hammer forge
05/13/1980US4202191 Fault detector
04/1980
04/15/1980CA1075528A1 Coining die assembly
04/15/1980CA1075505A1 Method and means for relieving stresses in die assemblies
04/15/1980CA1075448A1 Die means having workpiece releasing means
03/1980
03/11/1980US4192172 Forging machine transfer for heavy workpieces
02/1980
02/12/1980US4187713 Quick chucking die holder device for forging presses
02/05/1980US4186589 Apparatus for feeding workpieces in a multi-station cross-fed press
02/05/1980US4186588 Device for feeding auxiliary tools into working zone of press
02/05/1980US4186587 Forging press
02/05/1980CA1070994A1 Drill screw and die for producing same
01/1980
01/22/1980US4184358 Device for mounting a tool on the movable crossbeam of a press
01/01/1980CA1068990A Thermal isolation mounting for drawing and wall ironing ram
12/1979
12/11/1979US4177665 Cold flow forming
11/1979
11/20/1979CA1066566A1 Thermal isolation mounting for drawing and wall ironing ram
11/20/1979CA1066478A1 Lug replacement
10/1979
10/09/1979US4170123 Convertible multiple blow two die cold header
09/1979
09/25/1979US4168619 Process for forging metallic nozzles
09/11/1979CA1062089A1 Apparatus for cold forming metal parts
07/1979
07/17/1979US4161113 Knockout adjustment mechanism for forging machines
07/17/1979CA1058388A1 Swaging press
06/1979
06/12/1979CA1056184A1 Threaded fastener
06/05/1979US4157026 Swaging machine for swaging large tubes
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