Patents for B24B 3 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools (4,999)
11/1982
11/16/1982US4358911 Machine for relief grinding tap threads
10/1982
10/05/1982CA1132797A2 Twist drill and apparatus of grinding same
09/1982
09/21/1982US4349990 Support for grinding thread cutting tools
09/14/1982US4348839 Method for producing surfaces at a blade cutter head formed of hardened cutter blade steel
09/14/1982US4348838 Broach sharpening machine
09/07/1982US4347771 Apparatus for sharpening a disc
09/01/1982EP0058983A1 Device for sharpening ski edges
09/01/1982EP0058695A1 Feeding device for an automatic drill sharpening machine
08/1982
08/31/1982CA1130567A1 Blade sharpener
08/11/1982EP0057298A2 Machine for grinding the grooves of helicoidal cutters
08/05/1982WO1982002507A1 Tool grinding machine
08/05/1982EP0050137A4 Method and means of sharpening an improved disc type cylinder for a cylinder mower.
07/1982
07/27/1982US4341047 Method for grinding thread cutting tools
07/27/1982US4341046 Tool grind fixture
07/27/1982US4341044 Machine for grinding gashes in end mill cutters
07/20/1982US4340099 Chipper machine
07/19/1982EP0050151A4 Mowing machine.
07/06/1982US4337808 Super-surfacer
06/1982
06/22/1982US4335984 Metalcutting insert for roughing and finishing
06/22/1982US4335543 Method and means of manufacturing an improved disc reel mower
06/09/1982EP0053569A1 Universal ergonomic sharpening machine
06/08/1982US4333273 Electric knife sharpener
06/01/1982US4332109 Grinding apparatus for a flank of an end mill point
05/1982
05/25/1982CA1124108A1 Twist drill and apparatus of grinding same
05/25/1982CA1124080A1 Electric knife sharpener
04/1982
04/29/1982WO1982001341A1 Lawn mower blade grinding machine
04/28/1982EP0050151A1 Mowing machine.
04/28/1982EP0050137A1 Method and means of sharpening an improved disc type cylinder for a cylinder mower.
03/1982
03/31/1982EP0048684A2 Device on a grinding machine for relief grinding and for grinding polygons
03/30/1982US4321773 Rotary chopping cylinder type forage harvester having means for sharpening its shear bar
03/24/1982EP0048031A2 Method and device for sharpening the point of a twist drill
03/23/1982US4320892 Knife sharpener
03/18/1982WO1982000791A1 Feeding device for an automatic drill sharpening machine
03/10/1982EP0046833A1 Drill point grinding machine
02/1982
02/24/1982EP0046440A1 Relief grinding device for drills
02/16/1982CA1118514A1 Skate sharpening apparatus
02/02/1982US4313283 Sharpener for industrial knife blades
01/1982
01/12/1982US4309926 Method and apparatus for preparation of spherical hob for generation of gear
12/1981
12/22/1981US4306385 Involute knife sharpener
12/08/1981CA1113724A1 Ice skate sharpening device
11/1981
11/24/1981CA1112877A1 Sharpener device
11/11/1981EP0016219B1 Tool grinding machine
11/10/1981US4299063 Sharpener for screens of circular blades
10/1981
10/29/1981WO1981002967A1 Improved disc reel for mower
10/15/1981WO1981002863A1 Method and means of manufacturing an improved disc reel for mower
10/13/1981US4294047 Method of sharpening lateral edges and end edges of a blade during reciprocation thereof
10/13/1981US4294043 Ice skate sharpener
10/13/1981US4294042 Apparatus and method for grinding a helical surface on a flat blade
10/06/1981US4292699 Grinding machine for delimited groove machining on cutting tools
09/1981
09/08/1981US4287686 Clamping apparatus for clamping cutter blades of a gear cutting machine at a grinding machine
08/1981
08/25/1981US4285253 Mechanical steel for sharpening blades
08/25/1981US4285170 Grinding of knives
08/25/1981US4285169 Method of using vacuum lifted blade sharpener for rotary mowers
07/1981
07/28/1981CA1105709A2 Workholder for edge sharpener
07/07/1981US4276722 Tap sharpener
06/1981
06/16/1981US4272927 Method of manufacturing a broaching tool
06/09/1981US4271635 Ice skate-sharpening apparatus
06/09/1981CA1102552A1 Traveling band sharpener
06/02/1981US4270315 Fixture for holding a twist drill to be reground
05/1981
05/19/1981US4267690 Disc reel mower and method and means of manufacturing the same
05/19/1981US4267669 Method and apparatus for grinding small cutting blades
05/19/1981CA1101220A1 Harvester cutterhead knife sharpening device
05/13/1981EP0028413A1 Grinding aid
05/05/1981US4265146 Device for sharpening lawn mower blades
05/05/1981US4265056 Electric can-opener with knife sharpener
05/05/1981US4265055 Method and apparatus for forming a razor blade edge
05/05/1981US4265053 Apparatus for grinding cutting tools
04/1981
04/22/1981EP0027149A1 Grinding machine for peeling tools
04/14/1981US4261142 Form relieving apparatus
04/14/1981CA1099199A1 Harvester cutterhead knife sharpening device
04/07/1981US4259814 Tool sharpening machine
04/07/1981CA1098710A1 Shaping diamond compacts
03/1981
03/31/1981US4258592 Device for sharpening of scissors
02/1981
02/11/1981EP0023876A1 Machines for sharpening machining tools
02/10/1981CA1095251A1 Button grinding
01/1981
01/27/1981US4246729 Sharpener for self-sharpening feed chopping knives
12/1980
12/30/1980US4241544 Skate blade sharpener
12/16/1980US4239501 Method for preserving the grinding characteristics of a grinding tool
11/1980
11/25/1980US4235050 Skate sharpening apparatus
11/25/1980CA1090138A1 Grinding fixture
11/12/1980EP0018421A1 Grinding machine for copy-grinding the cutting edge of an end mill and a model for use with the machine
10/1980
10/28/1980US4229909 Tool grinding machine
10/28/1980CA1088314A1 Method of manufacturing a broaching tool
10/15/1980EP0017271A1 Device for holding cutters of a gear cutting machine on a grinding machine
10/07/1980CA1086954A1 Orbital saw sharpening device
08/1980
08/20/1980EP0014270A2 Method and device for forming cutter-head edges on a tempered tool
07/1980
07/29/1980CA1082463A1 One chuck grinding apparatus for end milling cutters and the like
06/1980
06/24/1980CA1079976A1 Apparatus and method for precision grinding of gear cutting tools
06/24/1980CA1079974A1 Processes for treating cutting edges
06/17/1980US4207709 Tool grinding machine for profile tools, especially for wood and plastic working machines
05/1980
05/27/1980US4204371 Tool sharpening fixture for a grinding tool
04/1980
04/29/1980US4199901 Grinding machine
04/01/1980CA1074566A1 Adjustable sharpener for self-sharpening feed chopping knives
03/1980
03/20/1980WO1980000428A1 Device for damping the vibrations of a sharpening machine tool
03/18/1980CA1073679A1 Processes for treating cutting edges
03/11/1980US4192103 Cutting reel grinder with automatic control
03/06/1980WO1980000323A1 Polishing apparatus for relief surface of end mill cutting edge
02/1980
02/26/1980US4189875 Harvester cutterhead knife sharpening device
02/05/1980US4186529 Programmably controlled method for grinding end cutting tools and the like
01/1980
01/15/1980US4183182 Method for grinding cutting tools and grinding machines for the performance of the aforesaid method
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