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