Patents
Patents for B23C 3 - Milling particular work; Special milling operations; Machines therefor (8,354)
09/1981
09/15/1981CA1108836A1 Method and apparatus for machining spherical combustion chambers
09/02/1981EP0034713A1 Arrangement and method for producing grooves in metal pieces
09/01/1981US4286903 Tool assembly for repairing and in particular grinding a tap seat
09/01/1981CA1107946A1 Refacing tool for valve seats
08/1981
08/11/1981CA1106585A1 Apparatus for removing a welding bulge from resistance welded pipes
08/05/1981EP0032975A2 Method of and installation for removing surface defects from hot rolled, metal profiles and long ingots
07/1981
07/21/1981US4279554 Tool for deburring, chamfering, trimming, and removing edges of workpieces
07/07/1981US4276812 Power steering valve and method of making the same
07/07/1981US4276794 Tool machine for machining crankshafts and a method of operation thereof
06/1981
06/02/1981US4270253 Apparatus for simultaneous machining of a stack of plate-like workpieces
05/1981
05/26/1981US4269552 Apparatus for removing a welding bulge from resistance welded pipes
05/26/1981US4269551 Method of machining crankshafts
04/1981
04/22/1981EP0027433A1 Device for transferring pieces, in particular metal keys, from a first infeed station to a second operating and discharge station placed angularly with respect to the former, and vice versa
04/07/1981US4260306 Eccentric boring tool and method
04/07/1981US4260304 Method for machining an impeller cover
03/1981
03/24/1981US4257724 Milling tool for machining cylindrical sections
03/17/1981US4256423 Key cutting machine
03/03/1981CA1096595A1 Method and apparatus for manufacturing parts for rotary fluid machines
02/1981
02/25/1981EP0024251A2 Rotating rod saw
02/24/1981CA1096207A1 Apparatus for producing cams
02/17/1981US4251173 Key cutter
02/03/1981US4248556 Method for smoothing the surface of bar material
01/1981
01/28/1981EP0022796A1 Tool holder spindle for precision machining.
01/27/1981US4247234 Pipe grooving tool
01/20/1981US4245939 Method and apparatus for machining spherical combustion chambers
01/06/1981US4243348 Tool holder
01/06/1981US4243081 Automatic apparatus for machining panels, planks and similar articles made of wood, wooden derivatives and the like
11/1980
11/18/1980US4233928 Inner burr cutting, inner face cleaning and inner face painting apparatus for long pipes of small and medium diameters
11/04/1980US4231694 Apparatus for removing a welding bulge from pipes
10/1980
10/29/1980EP0018000A1 Crank shaft milling machine
10/15/1980EP0017053A1 Key copying machine
09/1980
09/09/1980US4221514 Apparatus for trimming workpieces
09/09/1980US4221512 Valve seat forming tool
09/02/1980US4220995 Apparatus for detecting tip damages of a milling cutter
08/1980
08/05/1980US4215960 Copying-milling apparatus
08/05/1980US4215604 Milling machine
07/1980
07/23/1980EP0013626A2 Apparatuses and methods for perforating tubing
07/10/1980WO1980001365A1 Tool holder spindle for precision machining
06/1980
06/17/1980US4208156 Machine for machining crankpins of a multiple-throw crankshaft
05/1980
05/28/1980EP0011580A2 Repairing apparatus, particularly for running-in a valve seat
05/27/1980US4204784 Tools for reconditioning a valve seat in a tap
05/20/1980US4203693 Duplicating machine for tubular keys
05/20/1980US4203183 Machine for trimming castings
05/13/1980US4202222 Method for preparation of spherical hob for generation of gear
04/1980
04/08/1980US4197043 Slab milling machine
04/02/1980EP0009079A1 Crankshaft milling machine
03/1980
03/05/1980EP0008346A1 Crankshaft milling machine
02/1980
02/26/1980US4190390 Apparatus for machining critical surfaces of railroad truck side frames
02/26/1980US4190389 Profile milling machine
02/12/1980US4188163 Key duplicating machine
02/12/1980US4187600 Apparatus for machining railroad truck bolsters
01/1980
01/08/1980US4182589 Corner chamfering machine
12/1979
12/25/1979US4180359 Machine tool for machining of shafts, especially crankshafts
12/25/1979US4180357 Apparatus and method for perforating tubing and method of producing part of such apparatus
12/18/1979US4179228 Numerically controlled milling with parabolic profile tools for surface smoothness
12/04/1979US4176992 Numerically controlled milling with parabolic profile tools for surface smoothness
11/1979
11/20/1979US4174914 Spherical hob for generating gears
11/14/1979EP0005189A1 Nuclear power plant steam generator shell parting method and apparatus
11/06/1979CA1065654A1 Method and apparatus for peeling workpieces
10/1979
10/31/1979EP0005023A2 Steam generator tubesheet face machining apparatus
10/23/1979US4171654 Internal milling machine for milling crank pins
10/02/1979CA1063396A1 Method and apparatus for producing drill screws
09/1979
09/11/1979CA1062027A1 Subsea machine tool
08/1979
08/21/1979US4164891 Machine for simultaneously milling of several grooves in rotating workpieces
08/21/1979CA1060775A1 Apparatus for perforating tubing
07/1979
07/03/1979US4159783 Selector-dispenser of flat key blanks
06/1979
06/26/1979US4158987 Pressure foot for machine tool
06/26/1979CA1057059A1 Portable field machine for cutting, grinding and lapping valve seats
06/05/1979US4157055 Copying attachment for crankshaft milling machine
05/1979
05/29/1979CA1055206A1 Device and method for operation in an helical pattern inside a cylinder
05/01/1979US4151783 Apparatus for shaping a lug on a stamped workpiece
04/1979
04/17/1979US4149449 Method for shaping an airfoil
04/03/1979US4147462 Machine for finishing valve seats
03/1979
03/27/1979US4145955 Tire mold milling machine
03/27/1979US4145954 Container cleaning apparatus
03/27/1979CA1051152A1 Oriented type shank slotter
03/13/1979US4143582 Method and apparatus for making a secondary key for a lock mechanism
03/13/1979US4143489 Mould polishing machines
03/13/1979CA1050316A1 Key cutting machine for producing obliquely oriented bitting
02/1979
02/27/1979US4141279 Method and apparatus for cutting circumferential grooves on the interior of a workpiece
02/20/1979US4140043 Key duplicator
02/13/1979CA1048320A1 Machine for working metal surface
02/13/1979CA1048319A1 Method and apparatus for shaping an airfoil
01/1979
01/10/1979EP0000248A1 Milling machine with depth of cut control
01/02/1979US4132151 Key cutting apparatus
12/1978
12/19/1978CA1044500A1 Automatic multi-blank key cutting device
11/1978
11/14/1978US4125057 Planetary milling machine
10/1978
10/10/1978US4119015 Billet milling equipment
10/10/1978CA1040087A1 Formation of segments for containers and the like
10/03/1978US4117763 Key decoding and duplicating apparatus and method
09/1978
09/26/1978US4116111 Milling apparatus
09/19/1978US4114483 Portable boring tool for ball valves
09/19/1978CA1038670A1 Machine for removing material
09/12/1978US4112819 Apparatus for producing cams
09/05/1978CA1037752A1 Apparatus for forming large compound curved surfaces
08/1978
08/29/1978US4110055 Tool assembly and inserted-tooth cutter for milling cylindrical surfaces on a workpiece
08/29/1978CA1037308A1 Method and means for making helical races
08/15/1978US4106880 Portable field machine for cutting, grinding and lapping valve seats
08/08/1978US4104943 Contour die milling with a toroidal cutter
08/01/1978US4103588 Crankshaft milling machine and milling tool for such machine
1 ... 73 74 75 76 77 78 79 80 81 82 83 84