Patents for B21H 5 - Making gear wheels (1,111) |
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03/18/1987 | CN85106448A Forming machine with multiple operating positions |
03/11/1987 | EP0213880A2 Snap ring forming and grooving |
03/05/1987 | DE3619537C1 Device for deburring or crushing the end-side toothed edges of gear wheels |
03/05/1987 | DE3618435A1 Method for producing toothings provided on two elements, and mechanism produced according to the method |
03/05/1987 | DE3608458C1 Machine for deburring or chamfering the end tooth edges of gears |
03/03/1987 | US4646549 Apparatus for rolling a cylindrical blank |
02/24/1987 | US4644772 Snap ring forming and grooving |
02/24/1987 | US4644771 Mill for hot rolling of bevel gears |
02/10/1987 | US4641406 Method of forming a rack member |
01/14/1987 | EP0207941A1 Rotary forming machine having tie bar connection |
12/09/1986 | CA1214956A1 Forming machine including drive mechanism having rack and gear synchronization |
10/07/1986 | CA1212237A1 Gear burnishing and honing machine |
07/17/1986 | WO1986003996A1 Rotary forming machine having tie bar connection |
06/24/1986 | US4596127 Method and machine for splining clutch hubs |
05/20/1986 | US4589305 Composite tooth-forming rack and method for making same |
05/14/1986 | EP0181132A2 Machines for pressure forming surface configurations on a rotary workpiece |
04/22/1986 | US4583271 Method and apparatus for burnishing splines and gears using synchronously rotated gears |
03/11/1986 | US4574605 Forming machine with multiple work stations |
03/05/1986 | EP0173455A1 Forming machine with multiple work stations |
03/04/1986 | CA1201329A1 Tooth forming tool for splining tubular elements |
02/25/1986 | US4571972 Skewed-axis cylindrical die rolling |
10/08/1985 | US4545708 Method for producing crowned tooth flanks on a toothed workpiece, and a machine suited therefor |
10/08/1985 | US4545230 Rotary forming machine having tie bar connection |
10/02/1985 | EP0156567A1 Poly-V pulley formed of sheet metal and method and apparatus for making the same |
06/04/1985 | US4520540 Fixture for grinding racks |
05/28/1985 | US4519231 Forming machine including drive mechanism having rack and gear synchronization |
03/05/1985 | US4502822 Machine for the precision working of tooth surfaces of toothed workpieces |
12/18/1984 | US4488418 Apparatus for roll sizing diameters |
12/12/1984 | EP0127997A2 Method and machine for splining clutch hubs with close tolerance spline bellmouth and oil seal surface roundness |
12/11/1984 | US4487047 Thin-wall spline forming |
12/04/1984 | US4485657 Tooth forming tool and method for splining tubular elements |
11/20/1984 | US4483055 Secondary working apparatus |
11/07/1984 | EP0123851A2 Method and apparatus for rolling a cylindrical blank |
10/30/1984 | US4479294 Secondary working apparatus |
10/02/1984 | CA1175296A1 Thin-wall spline forming machine |
09/26/1984 | EP0119797A1 Forming machine including drive mechanism having rack and gear synchronization |
09/25/1984 | US4472957 Secondary working apparatus |
09/25/1984 | CA1174877A1 Device for accurately adjusting the relative angular position of shafts driving coldshaping wheels |
09/18/1984 | CA1174473A1 Rack for burnishing toothed power transmission members |
08/28/1984 | US4467631 Apparatus for splining thin-wall power transmission sleeves |
08/28/1984 | CA1173279A1 Tool and method for crowning teeth |
05/01/1984 | CA1166522A1 Rack for splining thin-wall sleeves of power transmission members |
05/01/1984 | CA1166488A1 Loader for thin-wall spline rolling machine |
02/07/1984 | CA1161727A1 Hydraulic control circuit for loader of thin-wall spline rolling machine |
01/03/1984 | CA1159685A1 Tooth forming tools |
12/06/1983 | US4418454 Burnishing toothed power transmission members |
12/06/1983 | CA1158077A1 Method and apparatus for making rotary die racks |
11/15/1983 | US4414780 Gear burnishing and honing machine |
11/15/1983 | US4414729 Tool and method for crowning teeth |
10/11/1983 | US4408473 Gear-roller |
08/23/1983 | US4399678 Rack for splining thin-wall sleeves of power transmission members |
08/02/1983 | CA1150951A1 Ring gear burnishing machine |
06/21/1983 | US4388818 Method and apparatus for fabricating precision teeth |
05/24/1983 | US4384466 Hydraulic control circuit for loader of thin-wall spline rolling machine |
05/17/1983 | US4383428 Loader for thin-wall spline rolling machine |
04/26/1983 | US4380918 Thin-wall spline forming machine |
04/19/1983 | CA1144765A1 Gear burnisher |
01/04/1983 | USRE31116 Rotary forming machine and tool |
12/07/1982 | US4362045 Tooth forming tools |
11/16/1982 | US4359301 Machine for the precision working, for example shaving, of tooth flanks |
11/02/1982 | CA1134733A1 Forming machine including rotary drive mechanism |
10/13/1982 | EP0062441A2 Rotary forming tool and spindle therefor |
10/06/1982 | EP0061958A1 Adjustment device for the accurate relative angular positioning of shafts driving cold-forming rolls |
09/08/1982 | EP0059584A2 Thin-wall spline forming machine |
09/08/1982 | EP0059583A2 Rack for splining thin-wall sleeves of power transmission members |
09/01/1982 | EP0058804A2 Loader for thin-wall spline rolling machine |
09/01/1982 | EP0058800A1 Hydraulic control circuit for loader of thin-wall spline rolling machine |
09/01/1982 | EP0058799A1 Rack for burnishing toothed power transmission members |
08/10/1982 | CA1129187A1 Method of forming a flex-plate and gear member from a thin metal disc |
01/26/1982 | CA1116957A1 Roll-through cold forming apparatus |
01/12/1982 | US4309802 Ring gear burnishing machine |
12/29/1981 | US4307592 Cold rolling method and cold rolling apparatus |
12/15/1981 | US4305190 Gear burnisher |
11/10/1981 | CA1112086A1 Burnishing rack |
09/29/1981 | CA1109709A1 Absorbent papers |
08/18/1981 | CA1107093A1 Loader for gear burnishing machine |
08/11/1981 | US4282782 Method of making rotary die racks |
06/02/1981 | US4270375 Forming machine including rotary drive mechanism |
01/14/1981 | EP0022338A1 Forming machine including rotary drive mechanism |
01/14/1981 | EP0022337A1 Method for making rotary die racks |
10/15/1980 | EP0017335A1 Burnishing rack |
10/01/1980 | EP0016280A1 Loader for gear burnishing machine |
07/15/1980 | US4212572 Gear teeth rotary-shaving or roll-finishing machine |
06/24/1980 | US4208773 Burnishing rack |
06/17/1980 | CA1079527A1 Apparatus and method and means for removing surface defects from a workpiece |
06/10/1980 | US4206535 Loader for gear burnishing machine |
04/02/1980 | EP0009322A1 Absorbent papers and a process for their production |
02/19/1980 | US4189279 Apparatus and method for burnishing gears |
01/09/1980 | EP0006137A1 Cold forming apparatus |
12/18/1979 | US4178790 Roll-through cold forming apparatus |
10/16/1979 | CA1064239A1 Apparatus and method for splining power transmission members |
07/17/1979 | CA1058391A1 Apparatus and method for burnishing gears |
06/26/1979 | CA1057089A1 Machines for centerless cold rolling of gears |
05/29/1979 | CA1055283A1 Gear rolling equipment |
03/13/1979 | CA1050309A2 Rotary forming machine and tool |
02/20/1979 | CA1048820A1 Apparatus for finish rolling bevel pinions and gears |
01/02/1979 | US4132098 Cold-rolling of large diameter gears |
12/19/1978 | CA1044495A1 Rotary forming machine and tool |
09/26/1978 | US4116032 Method and apparatus for manufacturing straight or inclined toothed machine elements, especially spur gears by cold working |
09/19/1978 | US4114415 Profile plano-type knurling machine |