Patents for B24B 3 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools (4,999)
05/1993
05/06/1993DE4135823A1 Workpiece spindle on tool grinding machine - accommodates tool to be ground with transversally arranged grinding spindle, both spindles being adjustable relatively to three different axes
05/05/1993CN2131647Y Adjustable grinding wheel machine
04/1993
04/20/1993US5203118 Ski grinding machine
04/13/1993CA1315989C Restoration of drill buttons
04/13/1993CA1315988C Process and apparatus for providing cutting edges
04/08/1993DE4133043A1 Cutting machine for accurate cutting - has grinder incorporated with cutting blade to maintain cutting blade at intervals
03/1993
03/30/1993US5197227 Dental curet and sharpening machine system
03/24/1993CN2128577Y Sharpening apparatus for edge of electric element slot cutting tool
03/24/1993CN2128576Y Household knife sharpening device
03/23/1993US5196800 Apparatus and method for non-contact measurement of the edge sharpness of a knife
03/23/1993US5195275 Blade sharpener
03/16/1993US5193312 Non-rotating grinding apparatus
03/11/1993DE4129827A1 Measuring device for scraping tool with rows of teeth separated by swarf chambers - has sensor on transversely movable carriage, longitudinal tool carriage, displacement transducers, copying sensors and scale sensors
03/11/1993DE4129826A1 Tooth position measuring device for scraping tool - has sensor on transversely movable carriage, longitudinal tool carriage, displacement transducers, copying sensors and scale sensors
03/09/1993US5191737 For retaining a workpiece
03/04/1993DE4128483A1 Sharpening cutting cylinder of straw cutter - using grinding slide driven by hydraulic cylinder traversing along fixed hollow piston rod connected at each end to oil supply
03/02/1993US5189848 Blade sharpening apparatus, blade guide and sharpening method
02/1993
02/24/1993EP0528122A1 Apparatus and method for sharpening disc blades
02/24/1993CN2127333Y Shovel sharpening machine
02/17/1993CN2127049Y Two-purpose quick knife grinder
02/09/1993US5184431 Apparatus for the grinding of workpieces, especially tools
02/09/1993US5184425 Drill bit sharpener
02/02/1993US5182971 Button sharpening
01/1993
01/26/1993US5181811 Drill and drill grinding method and apparatus
01/26/1993US5181343 Apparatus and process for grinding a profile of a band saw
01/19/1993US5179809 Drill grinding machine
12/1992
12/29/1992CA1311925C Edge sharpening apparatus
12/22/1992US5172521 Sharpening apparatus for forage harvester knives
12/22/1992US5172484 Angle measuring device for peripheral grinding wheels with tool rests
12/14/1992CA2044546A1 Apparatus and method for sharpening drilling bits
12/09/1992EP0517192A1 Method for sharpening the blade of a machine for cutting fabric
12/09/1992CN2124103U Cyclic strip cutting blade grinder
12/08/1992US5168661 Method of grinding the surfaces of cutting blades and grinding wheel therefor
11/1992
11/24/1992CA1310497C Apparatus for sharpening edge tools
11/19/1992EP0513283A1 Device for sharpening, grinding or polishing dental, periodontal and/or surgical instruments.
11/19/1992EP0267240B1 Automatic ski tuning device
11/12/1992DE4115417A1 Undercut tool grinding method machine - clamps cutter inserts open bases holding chip faces parallel to surface-grinder working plane
11/04/1992CN2120655U Efficiency fast knife sharpener
11/03/1992US5159784 Portable apparatus for sharpening blades
10/1992
10/28/1992EP0510623A2 Resharpening machine
10/27/1992US5157870 Precision clamp scissors sharpening system
10/20/1992US5155939 Apparatus for grinding cutting instruments
10/13/1992CA1308559C Process and device for grinding elongated objects
10/06/1992US5152203 Apparatus and method for sharpening saw blades having planetary motion in transverse cutting
10/06/1992US5152105 Device for sharpening rotary blades
09/1992
09/30/1992EP0505508A1 Slitting apparatus for corrugated paperboard and the like.
09/30/1992CN2117232U Electric knife shapper
09/22/1992US5148634 Scissor sharpening apparatus with magnetic guide
09/17/1992DE4108300A1 Tool cutting angle measurement arrangement, esp. for milling tool - has sensing element with rotary indicator plate which is brought into contact with the cutting surface
09/16/1992EP0504073A1 Ski dressing apparatus
09/09/1992CA2062297A1 Ski sander
08/1992
08/18/1992US5138797 Grinding guide assembly for a hand-held grinding machine for buttons of a button drill bit
08/12/1992CN2112474U Domestic knife sharpening device
08/11/1992US5136816 Edge sharpener for skis
07/1992
07/28/1992US5133157 Apparatus for sharpening cutting edges of knife blades
07/25/1992CA2034839A1 Kwiksharp sharpener
07/22/1992CN2110544U Auto-grinding knife tobacco-cutting chain type unbinding machine
07/14/1992US5129188 Method of manufacturing a thread cutting tool with wear resistant teeth
07/08/1992EP0493785A1 Scissors sharpening apparatus
07/08/1992EP0493389A1 A knife sharpening machine.
07/08/1992CN2109281U Miniature multi-purpose tool grinding, finishing machine
07/07/1992US5127194 Apparatus for sharpening the blade of a skate
06/1992
06/30/1992US5125186 Drill grinding machine
06/24/1992EP0491416A1 Sharpening device for cold cuts cutting machines
06/11/1992WO1992009403A1 Device for sharpening, grinding or polishing dental, periodontal and/or surgical instruments
06/10/1992EP0489708A1 Grinding device
06/10/1992EP0489410A1 Device for sharpening drill bits
06/04/1992CA2056162A1 Drill grinding device
05/1992
05/30/1992WO1992009395A1 Tool for producing crown wheels, and method for producing such a tool
05/30/1992CA2096024A1 Tool for producing crown wheels, and method for producing such a tool
05/27/1992DE4138832A1 Device for sharpening grinding, and polishing dental and surgical instrument - comprises drivable grinding body supported by bearer comprising guide with four links
05/27/1992CN2105364U Universal cutter grinding clamp
05/27/1992CN2105363U Atuomatic saw grinding machine
05/27/1992CN1016752B Automatic cutter-grinding system for fodder harvesters
05/05/1992US5110320 Discoloration inhibition; ammonium salt stabilizer
04/1992
04/30/1992WO1992006819A1 Grinding of twist drills
04/21/1992US5105582 Cup cutter sharpener
04/15/1992CN2101555U Sharpener for scissors
04/14/1992US5103622 Method and apparatus for maintaining cylindrical profile of forage harvester cutterheads
04/01/1992EP0477761A2 Steeling apparatus for annular rotary knife blades
03/1992
03/31/1992US5099721 Steeling apparatus for annular rotary knife blades
03/24/1992US5098027 Automatic knife sharpening system for forage harvesters
03/24/1992US5097634 Tool grinder apparatus and method
03/11/1992CN1015784B Device for grinding hardmetal pins of drill bits
03/05/1992DE4124417A1 Sharpening hard metal drill bits - involves carrying out all three stages of operation with drill bit held in same chuck
03/05/1992DE4027821A1 Transport container for drilling tools - has two telescopic sleeves with sharpening material on at least one base
03/04/1992CN1059113A Non-rotating grinding apparatus
03/03/1992CA1296529C Dual purpose grinding machine
02/1992
02/26/1992EP0472508A1 Non-rotating grinding apparatus
02/25/1992US5090281 Slitting apparatus for corrugated paperboard and the like
02/25/1992US5090160 Planer blade sharpening apparatus
02/25/1992US5090159 Multi-purpose grinder
02/19/1992EP0471490A2 A multiple purpose tool grinding device
02/17/1992WO1992003256A1 Abrading device
02/17/1992CA2091582A1 Abrading device
02/12/1992CN2095734U Double-move high-speed steel column cutter cutting machine
02/12/1992CA2048873A1 Multiple purpose sharpening tool
01/1992
01/30/1992DE4023569A1 Workshop attachment for regrinding twist drill - has drill point spring-loaded against grinding wheel and manually aligned in simple frame
01/23/1992WO1992000833A1 Ski grinding device
01/22/1992EP0467383A1 Grinding device
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