Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21J - Forging; Hammering; Pressing; Riveting; Forge furnaces › B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor
Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577)
07/1983
07/26/1983CA1150670A1 Closed chamber extrusion method and apparatus for shaping of metal rod into tulip-shaped part
07/05/1983US4391118 Mechanism for forming a hole through a forged workpiece
06/1983
06/28/1983US4389870 Forming engagement grooves in a tool shank
06/14/1983US4387586 Method of widthwise rolling of rolled material and apparatus therefor
06/08/1983EP0022872B1 Method of manufacturing inner race of synchronous universal joint
05/1983
05/24/1983CA1146780A2 Forging method and apparatus
05/03/1983CA1145594A1 Forging method and apparatus
04/1983
04/26/1983CA1145166A1 Precision closed-die forging method
04/20/1983EP0077160A1 Forging apparatus
04/20/1983EP0077062A2 Process and means for forging a tractor undercarriage sprocket segment providing tolerance sizes corresponding to those obtainable with cold tool machine working and sprocket wheel segments obtained with such process and means
04/14/1983WO1983001214A1 Method and apparatus for forging sprocket segments
04/12/1983CA1144404A1 Forging device
03/1983
03/16/1983EP0073985A2 Method of forging
02/1983
02/08/1983US4372144 Wrap ring assembly for precision no-draft forging
01/1983
01/25/1983US4369558 Outer race working method and apparatus therefor
01/11/1983US4367643 Method and apparatus for cold forming metal articles having irregular cross-section
12/1982
12/14/1982US4363234 Method and apparatus for forging sections
11/1982
11/23/1982US4359810 Method of forming cartridge chambers in firearm barrels
11/10/1982EP0064197A2 Method of processing cylindrical surface
11/02/1982US4356717 Method and apparatus for forge-shaping sheet members
11/02/1982CA1134649A1 Die assembly for use in forging operation
10/1982
10/26/1982CA1134183A1 Method of making single or double flanged track tractor roller for off-highway equipment
10/13/1982EP0062317A1 Method of plastic working of metal materials
09/1982
09/08/1982EP0059680A2 Rebar splicing and anchoring
09/01/1982EP0059038A2 Method of forging heavy articles
08/1982
08/31/1982US4346581 Apparatus for manufacturing fittings
08/17/1982CA1129822A1 Fastening system including segmented self-releasing anvil
08/03/1982US4342213 Closed chamber extrusion method and apparatus for shaping of metal rod into tulip-shaped part
07/1982
07/06/1982CA1126939A1 Method and tool for producing a bushing structure having a polygonal flange
06/1982
06/23/1982EP0054522A2 Process for the manufacture of hinges, particularly for vehicle doors
06/23/1982EP0054404A1 Method of forming an article
06/09/1982EP0053427A2 Method of and apparatus for producing valve rotors
04/1982
04/27/1982CA1122446A1 Upsetting of tube ends
04/14/1982EP0049474A1 Forging die for a part with internal, tapered grooves
04/07/1982EP0048776A1 Precision forging press
03/1982
03/31/1982EP0048499A1 Device for upsetting on presses
03/16/1982US4319478 Method for manufacturing an inner joint member of constant velocity joint
03/16/1982US4319477 Method and tool for producing a bushing structure having a polygonal flange
03/09/1982US4318292 Process for manufacturing tongue and groove pliers
03/02/1982US4317356 Method of and apparatus for forging a constant-velocity ball-type universal joint
03/02/1982US4317355 Forging of a camshaft
01/1982
01/27/1982EP0044783A1 Method of making axles
01/26/1982US4312211 Forging method and apparatus
01/05/1982CA1115510A1 Cold centre flow forming
12/1981
12/15/1981US4305273 Method for forging large irregular shapes in a closed-die operation in a conventional open-die press
11/1981
11/17/1981US4300378 Method and apparatus for forming elongated articles having reduced diameter cross-sections
11/10/1981US4299111 Molding of superplastic metals
11/10/1981US4299110 Method for forming a hole through a forged workpiece
10/1981
10/13/1981US4294101 Method of making single or double flanged track tractor roller for off-highway equipment
09/1981
09/29/1981US4291571 Forging press
09/29/1981US4291566 Method of and apparatus for forging metal
08/1981
08/11/1981CA1106653A1 Method, preformed part and device for forging crank throws
07/1981
07/29/1981EP0032868A1 Method of and apparatus for making, by extrusion, a workpiece presenting a recessed part on its peripheral surface
07/07/1981US4276764 Die set for sizing sections
06/1981
06/23/1981US4274276 Method and apparatus for producing a workpiece by extrusion molding
06/17/1981EP0030525A2 Method and apparatus for forging sections
06/16/1981US4272979 Method and apparatus for forging crank throws
06/16/1981US4272877 Method of manufacturing mechanical parts from metal scrap
05/1981
05/05/1981US4265105 Forging apparatus
04/1981
04/28/1981US4263707 Method of actuator rod manufacture
04/21/1981US4262516 Pierced metal tube blanks and methods of making such blanks
04/21/1981CA1099538A1 Warm forging of connecting rod caps
02/1981
02/24/1981US4252011 Die assembly for use in forging operation
02/17/1981US4250733 Fastening system including segmented self releasing anvil
02/17/1981US4250731 Method for producing trimming dies
01/1981
01/28/1981EP0022872A1 Method of manufacturing inner race of synchronous universal joint
01/20/1981US4245491 Method and device for producing hollow articles having flanges
01/07/1981EP0021166A1 Forging device
11/1980
11/25/1980CA1090170A1 Forging apparatus having means for radially moving blade die segments
10/1980
10/29/1980EP0018230A1 Castor support shaft
10/28/1980CA1088505A1 Forging compound and method of using the same
10/28/1980CA1088283A1 Piston with flared pin bore and method of making
09/1980
09/23/1980US4223547 Method of hole forming
09/23/1980CA1086100A1 Process and apparatus for manufacturing trimming dies
09/16/1980US4222260 Warm forging of connecting rod caps
08/1980
08/20/1980EP0014245A1 Apparatus for upsetting tube ends
07/1980
07/23/1980EP0013545A1 Forging die and blank produced by using the die
07/22/1980US4213322 Method and apparatus for upsetting pipe
07/22/1980US4213319 Thickness gauge
07/15/1980US4212183 Upsetting of tube ends
07/15/1980CA1081438A1 Press forming of flanged articles
06/1980
06/17/1980US4207762 Method of forming high quality forgings
06/12/1980WO1980001145A1 Method of manufacturing inner race of synchronous universal joint
06/10/1980CA1079044A1 Method and apparatus for correcting distortion in gas turbine engine blades
04/1980
04/29/1980CA1076314A1 Process and apparatus for the continuous and repetitive production of discrete articles from deformable materials
03/1980
03/11/1980US4192167 Process and apparatus for upsetting pipe ends
02/1980
02/19/1980US4188811 Metal forming methods
02/05/1980CA1070994A1 Drill screw and die for producing same
12/1979
12/11/1979US4177665 Cold flow forming
12/04/1979CA1067318A1 Self-centering punch for billet centering machine or the like
11/1979
11/27/1979CA1066867A1 Method for fluid and semifluid die stamping and apparatus for its performance
10/1979
10/09/1979CA1063786A2 Piston ring forming method
10/03/1979EP0004419A1 Method of manufacturing an actuator rod
09/1979
09/11/1979CA1062089A1 Apparatus for cold forming metal parts
07/1979
07/25/1979EP0003139A1 A method, slug and device for forging a crank shaft
06/1979
06/05/1979US4157026 Swaging machine for swaging large tubes
05/1979
05/15/1979US4154075 Boron nitride or graphite particles, boron trioxide to form vitreos phase
05/08/1979US4152914 Apparatus for production of metal ribbon
05/08/1979CA1053939A1 High-precision, fine-detail forging process
04/1979
04/24/1979US4150557 Forging apparatus having means for radially moving blade die segments
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