Patents
Patents for B23C 3 - Milling particular work; Special milling operations; Machines therefor (8,354)
06/1990
06/05/1990US4930948 Valve seat refitting apparatus
06/05/1990US4930261 Valve resurfacing apparatus and method for making the same
05/1990
05/29/1990US4929129 Key cutting apparatus
05/17/1990WO1990004916A2 Method and apparatus for aligning and cutting single-sided and double-sided keys
05/15/1990US4925347 Method of chamfering planar plate
05/15/1990US4924588 Tool for the non-destructive removal of tubes from heat exchangers
05/08/1990US4923343 Machine tool
05/08/1990US4923342 Tool for cutting a keyslot in a workpiece bore
05/03/1990WO1990004477A1 Equal pitch groove working machine
05/02/1990EP0366111A2 Insert rotary cutter
04/1990
04/25/1990EP0365032A2 Method and apparatus for aligning and cutting single-sided and double-sided keys
04/19/1990WO1990003867A1 Optical profile reader, particularly for key duplicating machine
04/04/1990EP0362007A2 Universal clamp for the reproduction of flat keys
04/03/1990US4913601 Tool-holder spindle for a fine-grinding machine, in particular a machine for grinding the valve seats of heat engines
03/1990
03/28/1990EP0359798A1 Method of machining scroll components
03/22/1990DE3929733A1 Deburring and chamfering machine - has mounting bores of different dia. for holder and tool drive unit
03/21/1990EP0181875B1 Slotting machine
03/14/1990CN1040340A Additional device for machine tools
03/13/1990US4907919 Key manufacturing machine
03/07/1990CN2053966U 倒角机 Chamfering machine
02/1990
02/28/1990EP0355332A1 Attachment for machine tools
02/22/1990DE3924714A1 Mechanism for machining wood panel edge faces - has tool with cutter edges, arranged in circular conical surface with specified sharp angle
02/21/1990CN1006863B Pipe processing device
02/14/1990CN2052694U Rolling and milling groove mechanical equipments for deformed steel bar
02/13/1990US4899458 Process and device for centering a guide mandrel
02/06/1990US4898504 Key cutting machine
01/1990
01/31/1990CN2051877U Multi-functional large-scale strong disk device
01/30/1990US4896638 Fabricating internal combustion engine cylinder heads with close tolerance internal surfaces
01/23/1990CA1264645A1 Apparatus and method of producing chair mats and the like
01/17/1990EP0350832A1 Outside corner-dressing device for window frames or the like
01/16/1990US4893971 For making the scroll parts for supporting a workpiece
01/11/1990DE3920960A1 Apparatus for deburring or chamfering a workpiece
12/1989
12/20/1989EP0347152A2 Tapered slot end mill
12/20/1989CN1006184B Constant speed drive cam mechanism of intersecting revolution axises and method for manufacturing the cam
12/13/1989EP0345532A2 Cutting machine for producing cuts with a predetermined circumference from a large web of flexible material
11/1989
11/29/1989EP0344077A1 Precision machine with a rod to determine the average axis of a cylindrical hole
11/28/1989US4883392 Fly-cutter milling machine
11/23/1989DE3816674A1 Method of manufacturing a centrifugal pump impeller
11/22/1989CN1037291A Method and automatic machine for machining coiled stock
11/21/1989US4881857 Machine for chamfering the corner of an object to be processed
11/16/1989WO1989010814A1 Roll surface cutting method
11/16/1989DE3815690A1 Lathe
11/15/1989EP0341485A1 Cutting method for the flanks of one part warms and one part a worm cutting machine
11/02/1989WO1989010225A1 Process and machine for cutting flanks of one-piece endless screws
11/02/1989EP0340158A1 Automatic lathe to work material on a wire-wheel
10/1989
10/17/1989US4873794 Holder for milling countersink filler plugs
10/12/1989DE3810130A1 Peripheral milling device for plastic lenses
10/10/1989US4872792 Pistol grip checkering
10/10/1989US4872789 Method and apparatus for machining valve seats and valve stem guides in a deep-walled engine monoblock workpiece
10/04/1989EP0334913A1 Improved chamfering machine
09/1989
09/27/1989EP0333995A2 An apparatus of chamfering planar plate
09/27/1989EP0333994A2 A method of chamfering planar plate
09/27/1989CN1035791A Machining method and apparatus for longitudinal grooves in the surface of a cylinder
09/21/1989WO1989008788A1 Fixing system
09/21/1989WO1989008522A1 Method of machining scroll components
09/12/1989US4865093 Apparatus and method of producing chair mats and the like
09/05/1989USRE33045 Router guide unit
09/05/1989US4863321 Fly-cutter milling machine
09/05/1989US4862777 Method and apparatus for forming surfaces on piston rings
09/05/1989US4862575 Method and apparatus for finishing grooved articles
08/1989
08/29/1989US4861204 Turn broaching tool
08/15/1989US4856948 Milling device for working, and in particular for trimming the edges of sheet metal strips, sheet metal plates or the like
08/15/1989US4856947 Cutting curved mold surfaces
08/15/1989US4856390 Valve reseater apparatus and method
07/1989
07/26/1989EP0325264A2 Corner-cleaning machine for windows or doors
07/25/1989US4850761 Milling process and tool
07/05/1989EP0323044A2 Method and apparatus for machining valve seats in engine monoblock workpiece
06/1989
06/27/1989US4843213 Welding and/or cutting machine
06/14/1989CN1004474B Machine for removing burrs from slabs
06/06/1989US4836725 Adjustable tool-holder in machine-tools for slot milling
06/06/1989US4836719 Method and apparatus for machining valve seats and valve stem guides in a deep-walled engine monoblock workpiece
06/01/1989DE3738619A1 Deburring device for an industrial robot
05/1989
05/31/1989EP0318402A1 Tool-holding spindle for precision grinding machine, especially for a machine to grind the valve seats of a heat engine
05/24/1989EP0316807A1 Method for working a piece by a tool having end cutting edges
05/18/1989WO1989004230A1 Crankshaft miller
05/17/1989EP0316039A2 Machine for machining close parallel score lines on plane sheets
05/10/1989CN2037280U Tubing flat head chamfering machine
05/09/1989US4827996 Power tool for trimming laminate
04/1989
04/25/1989US4824300 Edge miller for machining the edges of sheet metal
04/13/1989DE3732810C1 Device for working the edges of continuously moving plate-like workpieces
04/13/1989DE3732773A1 Guide for a tool for the mechanical deburring of intersecting bores
04/05/1989CN2035295U All-automatic multi-function key milling machine
04/05/1989CN1032128A Machine tool for processing curve slot on cylindrical surface
04/04/1989CA1251977A1 Method and apparatus for finishing workpieces
03/1989
03/28/1989CA1251626A1 Machine for removing burrs from slabs
03/23/1989WO1989002329A1 Improved chamfering machine
03/22/1989CN2034490U Guide screw tool milling-cutter
03/21/1989US4813828 Bottle boring milling tool
03/21/1989US4813114 Machining the ends of round bar and tube and similiar workpieces
03/14/1989US4812090 Method of and apparatus for adjusting the weight of a workpiece
03/08/1989CN2033720U Variable parallel striddle milling device
02/1989
02/15/1989EP0302915A1 Combined hole making and threading tool.
02/15/1989CN2032518U Flute milling machine for angle iron used on wood door and window
01/1989
01/31/1989US4800789 Tool slide device in machine tool
01/25/1989EP0300959A1 Process and apparatus for centering a pilot arbor
01/24/1989US4799836 Method and apparatus for machining the side edge surface of a web plate
01/10/1989US4796341 Plate routing method and apparatus
12/1988
12/28/1988EP0215937B1 Hollow profile material for the construction of support mounts and frames
12/28/1988CN87101572A Machining process of high-precision ultrashort-pitch cycloidal screw
12/27/1988US4793749 Process for edging metal strip material and a linear guide therefor
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