Patents
Patents for B23F 15 - Methods or machines for making gear wheels of special kinds, not covered by groups (448)
05/1987
05/12/1987US4664569 Gear cutting method and machine for cutting spiral bevel gears and contrate gear face clutches
03/1987
03/05/1987DE3618435A1 Method for producing toothings provided on two elements, and mechanism produced according to the method
02/1987
02/17/1987US4643654 Screw rotor profile and method for generating
02/10/1987US4641406 Method of forming a rack member
12/1986
12/16/1986US4629370 Sprocket cutter and method of assembling
11/1986
11/25/1986CA1214321A1 Sprocket cutter and method of assembling
10/1986
10/21/1986US4618297 Method and apparatus for machining racks for steering gear
10/07/1986US4615091 Method of and apparatus for processing a scroll member for a scroll type compressor
06/1986
06/11/1986EP0184007A1 Gear-manufacturing machine for cutting spiral bevel gears and face gear couplings according to the continuous-cutting process
03/1986
03/04/1986US4573372 Rack-pinion steering gear and method for cutting rack teeth
09/1985
09/03/1985CA1192732A1 Indexing work table
06/1985
06/04/1985US4521141 Method for cutting rack teeth
01/1985
01/30/1985EP0132347A1 Method and apparatus for machining racks for steering gear
08/1984
08/28/1984CA1173329A1 Rack-pinion steering gear and method for cutting rack teeth
08/07/1984US4463488 Indexing work table
03/1984
03/13/1984US4436465 Scroll manufacturing tool
02/1984
02/28/1984US4433564 Scroll manufacturing tool
12/1983
12/06/1983CA1158077A1 Method and apparatus for making rotary die racks
09/1983
09/21/1983EP0088987A1 A sprocket cutter and method of assembling
05/1983
05/04/1983EP0078111A2 A speed reduction device employing a face gear train and a method for making same
01/1983
01/04/1983US4367058 Bevolute gear system
12/1982
12/21/1982US4364204 Apparatus for machining a number of workpieces with one tool
12/08/1982EP0066426A2 Scroll manufacturing tool
11/1982
11/24/1982EP0065426A2 Scroll manufacturing tool
08/1982
08/03/1982US4342548 Screw having a V-shaped groove profile for cooperating with a pinion in a compression or expansion machine
08/1981
08/11/1981US4282782 Method of making rotary die racks
03/1981
03/03/1981CA1096595A1 Method and apparatus for manufacturing parts for rotary fluid machines
01/1981
01/14/1981EP0022337A1 Method for making rotary die racks
12/1980
12/23/1980CA1091942A1 Crowned involute splines and method of making
12/16/1980US4238970 Bevolute gear system
09/1980
09/16/1980US4222691 Method for machining the screw of a compression or expansion machine and a device for the application of said method
08/1980
08/12/1980CA1083342A1 Machine for tracing or generating the profile of an orbiting star gear
03/1980
03/18/1980US4193722 Machine for manufacturing variable ratio racks
10/1979
10/09/1979US4170164 Profile cutter
10/02/1979US4169691 Machine for tracing the profile of an orbiting star gear
08/1979
08/28/1979CA1061095A1 Profile cutter
01/1979
01/02/1979US4132090 Crowned involute splines and method of making
10/1978
10/31/1978US4122609 Machine for tracing the profile of an orbiting star gear
08/1978
08/29/1978US4109362 Method of making screw rotor machine rotors
08/15/1978US4106361 Gear pump, gear and method
07/1978
07/25/1978US4102583 Profile cutter
11/1977
11/29/1977US4060007 Clutch teeth
11/22/1977US4058938 Method and apparatus for grinding the tooth flanks of internally-toothed gear wheels
10/1977
10/11/1977US4052928 Cam-type gearing and the like
07/1977
07/12/1977US4034645 Method for manufacturing a gear-wheel for a rotary displacement machine
06/1977
06/07/1977US4028026 Screw compressor with involute profiled teeth
09/1976
09/07/1976US3978766 Apparatus and method for machining continuous mixer agitators and the like
01/1976
01/13/1976US3932077 Rotary interengaging worm and worm wheel with specific tooth shape
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