Patents for B23D 37 - Broaching machines or broaching devices (648)
10/1993
10/27/1993CN2144547Y Impact test sample notch speed regulation broaching machine with double cutters
09/1993
09/28/1993US5247740 Method and apparatus for cutting a keyway in a mill roll
09/21/1993US5246320 Keyway broach tool and method of broaching multiple keyways
08/1993
08/24/1993US5238337 Method of machining round material or the like by the whirling process
07/1993
07/06/1993US5224804 Tooling system and method for broaching engine components
06/1993
06/29/1993CA1319544C Monotonic cutting machine
05/1993
05/19/1993EP0542026A1 Process for machining rotationally symmetrical surfaces, especially crankshafts, as well as tool for carrying out such a process
04/1993
04/01/1993DE4131363A1 Machining axisymmetric workpieces with rotary broach - involves repeated engagement of roughing group of cutters to reduce size and cost of tool
02/1993
02/09/1993US5184985 For forming tube plates for steam generators
12/1992
12/30/1992EP0520123A1 Multiple-broach vertical broaching machine
12/30/1992EP0520122A1 Pot-broach vertical broaching machine
12/26/1992CA2072038A1 Vertical broaching machine with multiple broaches
12/16/1992EP0518242A1 Method and tool for working cylindrical surfaces on work-pieces
12/01/1992US5167603 Apparatus for progressive blind broaching
10/1992
10/29/1992DE4126149A1 Magazine-fed broaching machine for machining hinge parts - has multiple surface broach traversing past work carrier slide holding row and column matrix of hinge parts
10/13/1992US5154555 Equal-pitch groove processing device
09/1992
09/29/1992US5150996 Keyway broach guide assembly
09/10/1992DE4107688A1 Method of producing bearing bushes with deep grooves - involves transfer of bush through bending, sizing grooving and deburring stations in integrated work cycle
09/10/1992DE4107687A1 Method of producing bearing bushes - involves transfer of bush through bending, sizing and grooving stations in integrated work cycle
09/10/1992DE4107296A1 Grooving machine with orthogonally fed tool(s) - which is driven by constant current stepping motor with rotary to linear motion conversion
06/1992
06/17/1992EP0490328A1 Method for machining round material or the like using a tool having an internal cutting edge
06/09/1992US5120166 Broaching tool with adjustable cutting blades
05/1992
05/26/1992CA1301512C Method and apparatus for serrating a steering wheel
04/1992
04/08/1992EP0478705A1 Broaching machine
04/01/1992EP0478478A1 Process and apparatus for centering a guide pin a valve guide for precision machining of valve seats
01/1992
01/07/1992US5078556 3-phase crankshaft machining
09/1991
09/19/1991DE3936784A1 Jig for preparation of bearing shells - has magnetic grip for shells with magnetic pick=up
08/1991
08/06/1991US5037248 Cutter for monotonic cutting machine
07/1991
07/09/1991US5030049 Tool-outfitted turn broaching machine
06/1991
06/25/1991US5025689 Method and apparatus for machining axially symmetrical parts
04/1991
04/24/1991EP0423339A1 Equal pitch groove working machine
03/1991
03/20/1991EP0417446A1 3-Phases crankshaft machining
02/1991
02/26/1991US4995160 Apparatus for machining axially symmetrical workpiece surfaces
01/1991
01/16/1991EP0407907A1 Rotary shaving die
01/10/1991DE3920483A1 Raeummaschine Broaching Machine
12/1990
12/27/1990WO1990015685A1 Broaching machine
10/1990
10/30/1990US4966509 Power broach system
10/10/1990EP0313644A4 Monotonic cutting machine
08/1990
08/01/1990EP0379723A2 Groove machining lathe equipped with tools
05/1990
05/03/1990WO1990004477A1 Equal pitch groove working machine
04/1990
04/17/1990US4917551 Progressive blind spline broach machine and method
03/1990
03/28/1990EP0359798A1 Method of machining scroll components
03/21/1990EP0211052B1 Cutter bar
01/1990
01/23/1990US4895057 Machine tool for broaching crankshaft connecting rod bearings
12/1989
12/06/1989CN2048799U Push-cut machine for carbon-film potentiometr substrate
11/1989
11/02/1989DE3844540A1 Apparatus for the rotary broaching and turning of rotationally symmetric workpiece surfaces
10/1989
10/10/1989US4872793 Method of and apparatus for serrating a steering wheel
09/1989
09/27/1989EP0334298A2 Method and device for machining articles having a rotational symmetry
09/26/1989US4869623 Method of broaching outer periphery of lobe-type rotor of roots-type fluid machine, and broaching cutter used in the method
09/21/1989WO1989008522A1 Method of machining scroll components
09/21/1989DE3807542A1 Rotary broaching tool
08/1989
08/29/1989US4861204 Turn broaching tool
08/23/1989EP0328958A2 Device for working rotation-symmetrical work piece surfaces
06/1989
06/27/1989US4841820 Method of designing a turn broach
05/1989
05/03/1989EP0313644A1 Monotonic cutting machine.
03/1989
03/07/1989US4810140 Apparatus for machining slots in apertures
01/1989
01/31/1989US4801226 Crankshaft broaching machine and method
01/24/1989US4799839 Method and apparatus for performing a rotary broaching operation particularly on work pieces of rotational symmetry
12/1988
12/21/1988EP0296069A1 Broaching machine
12/13/1988US4790698 Monotonic cutting machine
11/1988
11/17/1988WO1988008765A1 Monotonic cutting machine
11/15/1988US4784534 Turn broach with reduced wear tooth configuration
10/1988
10/19/1988EP0286771A1 Lathe
09/1988
09/06/1988US4768904 Apparatus for broaching cylindrical surfaces of a workpiece, in particular of a crankshaft
05/1988
05/18/1988EP0267351A1 Broaching tool for a broaching machine
05/04/1988EP0265579A1 Broaching method and machine for the working of parts having a rotational symmetry
04/1988
04/27/1988EP0264517A1 Broaching tool for a broaching machine
04/27/1988EP0264477A1 Method of turn-broaching deflection or vibration sensitive workpieces and machine therefore
04/27/1988EP0264476A1 Machine, in particular for turn-broaching crankpin bearings of multiple cranked crankshafts
04/27/1988EP0264475A1 Rotational broaching cutter
04/27/1988EP0264474A1 Method of and machine for turn-broaching workpieces with rotational symmetry
04/27/1988EP0264473A1 Round-broaching machine
04/26/1988US4740115 For working the surfaces of pre-cast pins on workpieces
04/20/1988CN87201365U Multi-purpose machine tool capable of broaching, punching and edge-cutting
03/1988
03/23/1988EP0260477A2 Vertical broaching machine
03/15/1988US4730963 Broaching machine for external broaching of rotor
11/1987
11/25/1987EP0246531A2 Crankshaft machining device
10/1987
10/20/1987US4701085 Method and apparatus for external broaching of resin-coated parts
09/1987
09/15/1987US4693813 Method of broaching outer periphery of lobe-type rotor of roots-type fluid machine, and broaching cutter used in the method
03/1987
03/31/1987US4653158 Crankshaft machining device
03/18/1987EP0214624A2 Machine for broaching cylindrical surfaces of a work piece, preferably of a shaft, particularly of a crankshaft
02/1987
02/25/1987EP0211216A1 Machine with rotary broaches
02/25/1987EP0211052A1 Cutter bar.
01/1987
01/29/1987DE3525514A1 Method and device for machining a rotating workpiece
01/15/1987WO1987000101A1 Round broaching machine
07/1986
07/31/1986WO1986004278A1 Cutter bar
01/1986
01/22/1986EP0168457A1 Rotational profile broaching machine tool
08/1985
08/27/1985US4537538 Apparatus for working on turbine blade mounting grooves
07/1985
07/30/1985US4531868 Broaching machine
07/18/1985WO1985003020A1 Rotational profile broaching machine tool
05/1985
05/14/1985CA1187031A1 Broaching machine
04/1985
04/23/1985US4512066 Method of fabricating scroll members
01/1985
01/16/1985EP0131356A1 Apparatus for removing material from a workpiece
01/09/1985EP0130253A2 Receiver for bolt action firearm and method of manufacture
10/1984
10/30/1984CA1176883A1 Broaching machine
10/16/1984US4477216 In a broaching machine
05/1984
05/22/1984US4449872 Broaching machine
05/15/1984CA1167305A1 Pot broach machine with turn-over loader
05/01/1984CA1166497A1 Six station broaching machine
04/1984
04/04/1984EP0104694A1 Method of manufacturing the housing of a spiral-groove bearing
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