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