Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244)
09/1978
09/19/1978US4114431 Method of forming tubular metal products
09/19/1978CA1038613A2 Bearing unit
09/12/1978CA1038207A1 Forming roll for rolling cylindrical metal bodies from cylindrical rod stock, and a method of making the same
08/1978
08/29/1978CA1037421A1 Cross-roll forging machine
06/1978
06/20/1978US4095446 Cross rolling mill
04/1978
04/18/1978US4084419 Method for manufacturing annular metal workpieces
04/18/1978US4084303 Forming roll for rolling cylindrical bodies from cylindrical rod stock, and a method of making the same
03/1978
03/14/1978US4078410 Pulley splitting machine
01/1978
01/31/1978US4070892 Arrangement for metal working by rolling
01/03/1978US4065948 Roll-forming dies in a cross-rolling machine
12/1977
12/27/1977US4064724 Sheave forming method
11/1977
11/29/1977US4059879 Method for the controlled mechanical working of sintered porous powder metal shapes to effect surface and subsurface densification
09/1977
09/27/1977US4050274 Apparatus for forming grooved wheels
09/27/1977US4050273 Cross-roll forging machine
09/20/1977US4048828 Process for manufacturing monobloc wheels by die stamping and rotary extrusion
09/13/1977US4047414 Bearing race rolling device
09/06/1977US4045991 Automatic forge rolling machine
08/1977
08/09/1977US4040281 Pulley splitting machine-control system
07/1977
07/19/1977US4035891 Method of forging and press-forming aluminum wheel
05/1977
05/03/1977US4020665 Device for holding raw material in a cross-rolling machine
05/03/1977US4020664 Device for adjusting the phase of roll dies in a cross-rolling machine
04/1977
04/12/1977US4016739 Method of shaping ring blanks
04/12/1977US4016738 Traverse wedge forming machine
03/1977
03/29/1977US4014198 Drive mechanism of a pair of forging or stretching rollers
03/29/1977US4014197 Ball rounding apparatus
01/1977
01/18/1977US4003232 Method and apparatus for continually forming spherical objects
01/04/1977US4000634 Method and apparatus for forming a sheave from a flat disc of metal
12/1976
12/28/1976US3999416 Cold rolling a contour in metal rings
11/1976
11/23/1976US3992929 Split mandrel
11/23/1976US3992914 Rolling operations
11/23/1976US3992911 Diametral control of rolled annular workpieces by weighing
11/23/1976US3992910 Rolling operations
11/09/1976US3990287 Ball producing machine
11/02/1976US3988914 Isothermal metal forming apparatus
11/02/1976US3988913 Isothermal metal forming apparatus
08/1976
08/03/1976US3972359 Vibration resistant fastener
07/1976
07/06/1976US3967486 Toughening roll die work method for metallic material
06/1976
06/22/1976US3964326 One piece stamped pulley
06/01/1976US3959863 Manufacture of agricultural discs
05/1976
05/04/1976US3954001 Dies for cross rolling machines
03/1976
03/16/1976US3944782 Isothermal metal forming
03/09/1976US3942348 Cutter dies for the cross rolling machine
02/1976
02/24/1976US3939684 Two-roll machine for rolling-out disc-type articles
02/17/1976US3938375 Process and apparatus for rolling forming a cylindrical member having a reduced diameter portion at its intermediate portion
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