Patents for B21K 1 - Making machine elements (7,621)
01/1983
01/04/1983US4366697 Press for producing workpieces from wire segments
01/04/1983US4366588 Double blow method and press for producing tubular rivets
12/1982
12/28/1982US4365495 Method of making a mandrel for a self plugging blind rivet
12/21/1982US4364256 Latching device for the punch-carrier plate of a press for moulding screws, rivets and like articles
12/21/1982US4364159 Preheating aluminum alloy slug and ferrous ring before assembling
12/15/1982EP0066794A1 Fastener assembly and method of making the same
12/07/1982US4362043 Pipe unions
12/07/1982US4362042 Method of forming a fastener
11/1982
11/30/1982US4361360 Tube end forging process
11/30/1982US4361024 Coupling clamp and a method of manufacture therefor
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
10/26/1982US4355430 Pointing machine
10/26/1982CA1134183A1 Method of making single or double flanged track tractor roller for off-highway equipment
10/20/1982EP0062792A1 Process for making rollers for transporting and/or squeezing photographic material in sheet or belt form
10/13/1982EP0062449A2 Composite metallic forging
10/13/1982EP0062248A1 Method of producing trimetallic contact rivets
10/05/1982US4352225 Jacketed bullet and method of manufacture
10/05/1982US4352219 Prevailing torque lock nut and method of forming same
09/1982
09/28/1982US4351177 Apparatus for making a bevel gear
09/21/1982US4349948 Method for manufacturing metal casings for accessories and particularly gate valves
09/08/1982EP0059680A2 Rebar splicing and anchoring
09/08/1982EP0059341A1 Method of production of electric contact
09/07/1982US4347636 Nut and method of forming the same
09/01/1982EP0059038A2 Method of forging heavy articles
08/1982
08/31/1982US4346581 Apparatus for manufacturing fittings
08/25/1982EP0058465A1 Method of manufacturing universal joint housings
08/24/1982US4345360 Method of forming a metal wheel
08/24/1982CA1130238A1 Process for forming semi-float axle tubes and the like
08/05/1982WO1982002504A1 A tool for making rivet nails or expansion nails
08/03/1982US4342213 Closed chamber extrusion method and apparatus for shaping of metal rod into tulip-shaped part
08/03/1982US4342127 Apparatus for forming railroad spikes and the like
07/1982
07/28/1982EP0056776A1 Method of manufacturing hollow one-piece axle blanks, and axle blanks obtained
07/28/1982EP0056555A1 Universal transmission joint and method of manufacturing the same
07/13/1982US4339112 Integral end closure and hub for valve body and method of forming same
07/06/1982US4337572 Device for manufacture of assembled cam shaft
07/06/1982CA1126939A1 Method and tool for producing a bushing structure having a polygonal flange
06/1982
06/30/1982EP0054931A2 Method for the manufacture of an aluminium wheelrim
06/22/1982US4335507 Method for making a tri-metallic composite electrical contact
06/22/1982US4335479 Method and apparatus for making blind rivets
06/22/1982CA1126132A1 Rack gear and method of making the same
06/09/1982EP0053427A2 Method of and apparatus for producing valve rotors
06/09/1982EP0053143A1 Punch and die assembly
05/1982
05/19/1982EP0052077A1 Method of producing an axially symmetrical hollow shaft
05/19/1982EP0051717A2 Method for self-propelling projectile manufacturing and resulting projectiles thereof
05/13/1982WO1982001491A1 Spindle having at least two parts assembled for the construction of machines,engines and gear boxes,and process for its manufacture
04/1982
04/14/1982EP0049474A1 Forging die for a part with internal, tapered grooves
03/1982
03/31/1982EP0048499A1 Device for upsetting on presses
03/31/1982EP0048282A1 Nib for bolt head or nut forming tool
03/16/1982US4319736 Apparatus and method for manufacturing a metal casing particularly for gate valves used in nuclear reactors and the like, having a large nominal width and a casing manufactured in accordance with the method
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
03/04/1982WO1982000682A1 Method of making windows in parts of the distributing device of a positive-displacement hydraulic machine
03/02/1982US4317356 Method of and apparatus for forging a constant-velocity ball-type universal joint
03/02/1982US4317355 Forging of a camshaft
02/1982
02/09/1982CA1117899A1 Method of cold forming tubes with interior thicker wall sections
02/09/1982CA1117898A1 Process for extruding a metal tube with inwardly thickened end portions
02/02/1982US4313328 Providing cardan and universal joint-type shafts with gearing
01/1982
01/27/1982EP0044783A1 Method of making axles
01/26/1982US4312211 Forging method and apparatus
01/26/1982US4312206 Making a seamless, spherical case
01/12/1982US4309885 Machine for forming a head on a shank, such as a nail or a screw
01/07/1982WO1982000013A1 Method of obtaining butt-end wall with concentric recess in a tubular workpiece
12/1981
12/24/1981WO1981003632A1 Punch and die assembly
12/22/1981US4306654 Flanged nut fastener strip
12/22/1981US4306342 Method of manufacturing a crank arm for a welded crankshaft, and a pressing equipment for carrying out the method
12/22/1981CA1114779A1 Process of closed extrusion shaping of a metal rod material and an apparatus therefor
12/15/1981US4305273 Method for forging large irregular shapes in a closed-die operation in a conventional open-die press
12/08/1981US4304115 Method for forging rolling mill couplings
11/1981
11/24/1981US4301672 Process for forming semi-float axle tubes and the like
11/17/1981US4300378 Method and apparatus for forming elongated articles having reduced diameter cross-sections
11/11/1981EP0039599A1 Integral end closure and hub for a ball valve body
11/10/1981US4299112 Method and device for producing synchronizer ring
11/10/1981US4299110 Method for forming a hole through a forged workpiece
11/10/1981US4299000 Method for the production of threaded nuts by cold forming
11/03/1981US4298155 Method for making an axle spindle
10/1981
10/27/1981CA1111381A1 Vertical current pneumatic classifier with air-seal maintaining conveyor exit
10/27/1981CA1111293A1 Stainless steel drill screw and method of making
10/13/1981US4294101 Method of making single or double flanged track tractor roller for off-highway equipment
10/13/1981US4294100 Method of manufacturing a seamless outer sleeve for a ball bearing
10/06/1981US4292831 Process for extruding a metal tube with inwardly thickened end portions
10/01/1981WO1981002767A1 Shoe for swash plate type compressor and method for manufacturing the same
10/01/1981WO1981002697A1 Nib for bolt head or nut forming tool
09/1981
09/22/1981US4290295 Method of making V-grooved pulley assembly
09/22/1981US4290292 Manufacture of rotatable ignition files or flint wheels
09/08/1981US4288189 Threaded insert
09/08/1981US4287747 Process of closed extrusion shaping of a metal rod material and an apparatus therefor
09/01/1981US4286454 Apparatus for forging shaft flanges
08/1981
08/25/1981CA1107791A1 Compression molded cut-fiber reinforced plastic wheels
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
07/28/1981CA1105661A1 Method of making a seal nut
07/14/1981US4277969 Method of cold forming tubes with interior thicker wall sections
07/07/1981CA1104310A1 Pointing machine
06/1981
06/30/1981US4275924 Hinge mount having a wobble gear adjuster for a tiltable seat back of a motor vehicle seat
06/23/1981US4274277 Method of making railway car brake-rod jaw
06/23/1981US4274276 Method and apparatus for producing a workpiece by extrusion molding
06/23/1981CA1103617A1 Method and apparatus for cold forming a polygonal inner surface
06/16/1981US4272979 Method and apparatus for forging crank throws
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