Patents for B23D 43 - Broaching tools (616)
03/1997
03/04/1997CA2043574C Broaching apparatus and methods
11/1996
11/26/1996CA2139369C Two-stage broaching of engine block bearings
11/12/1996CA2059496C Broaching tool
10/1996
10/30/1996EP0739674A2 Internal broaching tool for internal broaching of profiles
06/1996
06/27/1996DE4445929A1 Broaching tool for external broaching machine
04/1996
04/18/1996WO1996011093A1 Broaching tool
04/18/1996CA2202260A1 Broaching tool
04/02/1996US5503506 High precision, high surface finish broaching tool
11/1995
11/29/1995CN1112779A High precision, high surface finish broaching method, tool, and lubricant/coolant
11/08/1995CN2211874Y Tool for internal diameter centering integral key hole
07/1995
07/25/1995US5435676 Two-stage broaching of engine block bearings
07/20/1995DE19501542A1 Zweistufiges Räumen von Maschinenblock-Lagern Two-stage areas of the engine block bearings
07/04/1995CA2022836C Broaching assembly
06/1995
06/27/1995CA1336101C Silicon aluminum oxynitride based article with improved fracture toughness and strength
06/07/1995EP0655958A1 High precision, high surface finish broaching method, tool, and lubricant/coolant
04/1995
04/20/1995WO1995000274A3 High precision, high surface finish broaching method, tool, and lubricant/coolant
03/1995
03/14/1995US5396818 For use in cutting internal helical splines
01/1995
01/05/1995WO1995000274A2 High precision, high surface finish broaching method, tool, and lubricant/coolant
01/05/1995CA2142736A1 High precision, hig surface finish broaching method, tool, and lubricant/coolant
08/1994
08/17/1994EP0611044A1 Broaching tool
06/1994
06/22/1994CN2169507Y Steel wire broaching die device
06/09/1994DE4241208A1 Tool for cutting longitudinal groove by chip removing force - has longitudinally slotted tool sleeve, whose width fits to that of cut groove
04/1994
04/28/1994CA2089244A1 Broaching bearings in an engine block
02/1994
02/23/1994CN2156973Y Special broach
02/01/1994US5282702 Wafer broaching tool
11/1993
11/17/1993CN2146326Y Broach for spline shafts
09/1993
09/07/1993US5242251 Broach and process of manufacturing a broach
06/1993
06/01/1993US5215414 Pot type broach assembly
05/1993
05/26/1993CN1072363A Spiral broach
03/1993
03/11/1993DE4129981A1 Reaming tool with needle-like elements - can be radially adjusted by axially moving wedges actuated via screw
01/1993
01/05/1993US5176480 Broaching apparatus and methods
09/1992
09/02/1992CN2114529U Combined scrapping out cutter
08/1992
08/26/1992CN2113848U Involute spline broach
08/04/1992US5135339 Broaching tool
06/1992
06/09/1992US5120166 Broaching tool with adjustable cutting blades
12/1991
12/18/1991EP0462089A1 Broaching apparatus
09/1991
09/25/1991EP0447996A1 Broaching tool
02/1991
02/19/1991US4993889 Broaching assembly
02/13/1991EP0412950A2 Broaching assembly
01/1991
01/16/1991EP0407907A1 Rotary shaving die
01/15/1991US4985609 Method of making a broach
05/1990
05/02/1990CN2056620U Profile combined chain scraping out cutter
03/1990
03/21/1990EP0211052B1 Cutter bar
01/1990
01/17/1990CN1006448B Repeatedly grindable triedged cutter
09/1989
09/21/1989DE3807542A1 Rotary broaching tool
08/1989
08/29/1989US4861204 Turn broaching tool
08/23/1989CN2043146U Three-start spiral round hole push-type broach
07/1989
07/25/1989US4850253 Broach manufacturing method
04/1989
04/20/1989DE3734280A1 Tool-carrier arrangement for rotary broaching machines
03/1989
03/14/1989CA1251002A1 Compound body and method of making the same
02/1989
02/01/1989CN2031729U Broaching tool for trimming
01/1989
01/25/1989EP0300677A2 Broach manufacturing method
01/24/1989US4799839 Method and apparatus for performing a rotary broaching operation particularly on work pieces of rotational symmetry
12/1988
12/21/1988EP0295452A2 Method for making a broaching tool
10/1988
10/12/1988CN87208764U New-type broaching screw tap
07/1988
07/13/1988CN87208393U Mechanical-clamped push-type rectangular spline broach
05/1988
05/18/1988EP0267351A1 Broaching tool for a broaching machine
05/11/1988EP0138910B1 Differential apparatus and method of making
05/04/1988EP0138888B1 Differential apparatus and method of making
04/1988
04/27/1988EP0264475A1 Rotational broaching cutter
04/27/1988EP0264474A1 Method of and machine for turn-broaching workpieces with rotational symmetry
04/26/1988US4740115 For working the surfaces of pre-cast pins on workpieces
03/1988
03/15/1988US4730963 Broaching machine for external broaching of rotor
01/1988
01/14/1988DE3621422A1 Method for producing grooved inner profiles (feather key grooves, spline bore hubs) on hardened workpieces and broaching tools suited therefor
01/07/1988DE3644885A1 Method for refinishing a spline bore hub profile in a hardened workpiece and broaching tool suitable therefor
12/1987
12/23/1987DE3729005A1 Broaching tool for broaching a non-circular hole
12/23/1987CN86205192U Mechanically inserted carbide broach with precomputed deformation
11/1987
11/11/1987CN86206011U Combined broach for machining irregularly-shaped hole
10/1987
10/15/1987DE3610000A1 Broach
05/1987
05/12/1987CA1221561A1 Broach manufacturing process
03/1987
03/31/1987CA1219742A1 Valve guide liner broaching tool
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
01/24/1987CN86102613A Repeatedly grindable triedged cutter
01/15/1987WO1987000101A1 Round broaching machine
10/1986
10/21/1986US4618540 Wear resistant surface supported on steel
07/1986
07/31/1986WO1986004278A1 Cutter bar
06/1986
06/18/1986CN85201040U Vertically pulled (or pushed) broach with spiral teeth
03/1986
03/04/1986US4573340 Valve guide liner broaching tool
02/1986
02/19/1986EP0171499A1 Method of making a pot broach and the resulting article
02/11/1986US4569619 Machine tool cutter
01/1986
01/29/1986EP0169292A1 Compound body and method of making the same
01/14/1986US4564320 Form broach assembly
10/1985
10/14/1985EP0138910A4 Differential apparatus and method of making.
10/14/1985EP0138888A4 Differential apparatus and method of making.
07/1985
07/02/1985US4526589 Polisher element
06/1985
06/04/1985CA1188141A1 Machine tool cutter
05/1985
05/02/1985EP0138910A1 Differential apparatus and method of making.
05/02/1985EP0138888A1 Differential apparatus and method of making.
02/1985
02/12/1985US4498361 Broach manufacturing method
09/1984
09/27/1984WO1984003744A1 Differential apparatus and method of making
09/27/1984WO1984003743A1 Differential apparatus and method of making
07/1984
07/31/1984US4462723 Internal broaching tool
06/1984
06/26/1984US4456500 Deposition photoresist films on metal, masking, and etching to form cutting teeth
06/1983
06/21/1983CA1148396A1 Broaching assembly having disposable carbide inserts
05/1983
05/10/1983US4382731 Rotary machining apparatus
03/1983
03/01/1983CA1142006A1 Helical toothed broach
07/1981
07/07/1981US4277207 Helical broaching tool for curved surfaces
06/1981
06/23/1981US4274767 Helical toothed broach
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