| Patents for B24B 3 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools (4,999) |
|---|
| 01/22/1992 | CN2093717U Portable tool grinder |
| 01/16/1992 | DE4121289A1 Milling cutter for producing profiled surfaces - has two blades ground to cut only along to contiguous halves of desired profile |
| 01/08/1992 | CN2092400U Blades finishing device |
| 01/08/1992 | CN2092399U Drills finishing machine |
| 01/01/1992 | CN1057421A Combined sleeve used for grinding glass screen of kinescope and its manufacturing method |
| 12/25/1991 | CN2091200U Beet diffusion knife grinding machine |
| 12/18/1991 | EP0462057A1 Grinding machine |
| 12/11/1991 | CN2090299U Magnetic knife edge grinder |
| 12/10/1991 | US5070654 Self-centering arrangement for grinding the hardmetal pins of drill bits |
| 12/04/1991 | CN2089860U Simple knife grinder |
| 12/01/1991 | WO1991018709A1 Method of grinding the surfaces of cutting blades and grinding wheel therefor |
| 11/26/1991 | US5067378 Blade for cutting sheet material and related cutting method |
| 11/06/1991 | EP0454708A1 Device for machining workpieces, in particular tools |
| 11/06/1991 | CN2088019U Sharpening machine of drills |
| 11/05/1991 | US5062322 Universal lawn mower blade sharpening machine |
| 10/16/1991 | CN1014302B Automatic adjusting system for material cutting machine diffusion knife |
| 10/02/1991 | CN2085702U Micro-feeding mechanism for universal knife grinder |
| 09/18/1991 | EP0446871A1 Method and apparatus for grinding and/or sharpening the cutting edges of a tool |
| 09/12/1991 | DE4005104A1 Copying mechanism for milling-cutter grinding - has lead-screw with trapezium profile inclined to slide movement direction |
| 09/11/1991 | EP0446128A1 Sharpening device with spindle grinding means for tools with straight or twisted cutting edges |
| 09/09/1991 | WO1991013733A1 Slitting apparatus for corrugated paperboard and the like |
| 09/05/1991 | CA2011465A1 A sharpening device for the blades of a cross-cutting roller |
| 09/04/1991 | EP0444916A1 Automatic knife sharpening system for forage harvesters |
| 09/04/1991 | EP0444915A1 Automatic knife sharpening method for forage harvesters |
| 08/29/1991 | DE4005981A1 Precision thread cutting machine - has rotary drive spindle for workpiece ŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸ coupled to rear grinding device |
| 08/29/1991 | CA2036301A1 Automatic knife sharpening system for forage harvesters |
| 08/29/1991 | CA2036300A1 Automatic knife sharpening method for forage harvesters |
| 08/21/1991 | EP0442218A2 Abrasive products bonded with color stabilized base catalyzed phenolic resin |
| 08/21/1991 | EP0442083A1 Grinding device for knifes |
| 08/15/1991 | CA2036284A1 Button sharpening |
| 08/14/1991 | CN2082658U Grinding device for skates |
| 08/14/1991 | CN1013485B Process and apparatus for providing cutting edges |
| 08/14/1991 | CA2033224A1 Abrasive products bonded with color stabilized base catalyzed phenolic resin |
| 08/06/1991 | US5036626 Belt type |
| 07/23/1991 | US5033239 Disposable hob and method of grinding the same |
| 07/17/1991 | EP0437412A1 Machine for sharpening twist drills |
| 07/09/1991 | US5030091 Dental curet |
| 07/03/1991 | EP0424408A4 Blade sharpener |
| 07/03/1991 | CN2080012U Simple universal tool grinding machine |
| 07/02/1991 | US5027559 Sharpening unit for leather splitting machines |
| 06/18/1991 | US5024026 Segmental grinding wheel |
| 06/12/1991 | EP0432063A1 Cutter sharpening machine with floating stone mount |
| 05/28/1991 | US5018310 Knife sharpener |
| 05/22/1991 | CN2077350U Knife-sharper |
| 05/15/1991 | EP0427298A2 Material chopping machine |
| 05/15/1991 | EP0427297A2 Material chopping machine |
| 05/08/1991 | EP0426146A2 Device to be mounted on a tool grinding machine |
| 05/07/1991 | US5012617 Dual purpose grinding machine |
| 05/02/1991 | EP0424408A1 Blade sharpener |
| 04/23/1991 | US5009040 Blade sharpener |
| 04/17/1991 | EP0422016A1 Edge sharpeners, particularly for skis |
| 04/09/1991 | US5005319 Knife sharpener |
| 04/04/1991 | WO1991004132A1 A knife sharpening machine |
| 04/03/1991 | CN2074226U Universal rapid knife sharpener |
| 04/02/1991 | US5004930 Method and device for setting the angular position of a workpiece on a machine-tool by means of a laser beam |
| 03/29/1991 | WO1991004819A1 Hob for generating face gears |
| 03/26/1991 | US5001945 Scissor sharpener |
| 03/20/1991 | EP0418163A1 Method and device for automatically sharpening slicing knives |
| 03/20/1991 | CN2073342U Dual purpose machine for cutter grinding and polishing |
| 03/19/1991 | US5000156 Method and device for dressing an inner peripheral blade in a slicing machine |
| 03/16/1991 | CA2024668A1 Method and device for automatically sharpening cutting blades |
| 03/13/1991 | EP0416167A1 Apparatus for spiral sharpening |
| 03/13/1991 | CN2072883U Multifunction cutter grinding machine |
| 03/13/1991 | CN1049815A Blade sharpener |
| 03/06/1991 | EP0415604A1 Blade sharpener |
| 03/05/1991 | US4996797 Apparatus for sharpening edge tools |
| 02/28/1991 | DE3934365C1 Grinder tool for dental instruments - has tool body to coaxially enclose support and holder |
| 02/26/1991 | US4995301 For holding and positioning reamers, bits |
| 02/19/1991 | US4993505 Stress relieving by leaching cobalt from tungsten carbide; purification; strengthening the cutter |
| 02/13/1991 | CN2071106U Electric edge grinder for knife and scissor |
| 02/12/1991 | US4991481 Blade for cutting sheet material and related cutting method |
| 02/12/1991 | US4991476 Automatic knife sharpening method for forage harvesters |
| 02/06/1991 | CN2070658U Double-edged shaper for knife |
| 02/06/1991 | CN2070657U Device for grinding cutting blade |
| 01/29/1991 | US4987704 Plunge jointer for planer knives |
| 01/29/1991 | CA1279485C Drill bit sharpener |
| 01/23/1991 | CN2069771U New-type kitchen knife grinder |
| 01/23/1991 | CN2069770U Drill edge sharpener |
| 01/22/1991 | CA1279212C Twist drill |
| 01/16/1991 | CN2069331U Twist drill-sharpening device |
| 01/15/1991 | US4984492 Cutting blade and method for cutting sheet material |
| 01/15/1991 | US4984394 Method and apparatus for grinding straight-edged cutting tools to a fine finish |
| 01/15/1991 | US4984391 Machine for forming woodworking tool |
| 01/09/1991 | CN2068888U Domestic apparatus for grinding knife and scissors |
| 01/09/1991 | CN2068887U Fixture for sharpening |
| 01/02/1991 | EP0405338A2 Sharpening machine for twist drills, in particular for drilling machines |
| 12/19/1990 | CN2067628U Mechanical sharpener for clothing cutting machine |
| 12/18/1990 | US4977709 Abrasive wheel |
| 12/18/1990 | CA1277838C Scissors sharpener |
| 12/12/1990 | CN2067205U Cutter blade regenerator |
| 12/11/1990 | CA1277498C Cutlery sharpening apparatus and method of sharpening cutlery |
| 12/04/1990 | US4974372 Universal device for sharpening drill bits |
| 11/28/1990 | EP0399973A1 An arrangement in hand-held button-bit grinding machines |
| 11/22/1990 | EP0397955A1 An abrasive wheel |
| 11/15/1990 | WO1990013396A1 Grinding apparatus |
| 11/15/1990 | WO1990013395A1 Ski edge grinder |
| 11/15/1990 | CA2054692A1 Grinding apparatus |
| 11/13/1990 | US4969298 Apparatus for clamping bar-shaped cutters at a grinding machine |
| 11/08/1990 | DE3914977A1 Schleifgeraet zum nacharbeiten von skikanten Schleifgeraet to rework the ski edges |
| 11/08/1990 | DE3914886A1 Gewindeschleifmaschine Thread Grinding Machine |