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Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/10
Name: Abrading > Precision device or process - or with condition responsive control > With indicating > And feeding of tool or work holder
Description: Subject matter combined with the use of means to relatively move an abrading tool and workpiece gripping means.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
5454194 System for grinding the optical surfaces and/or the edges of eyeglass lenses Oct. 3, 1995
5449312 Device for cutting a glass sheet Sep. 12, 1995
5447463 Apparatus for microfinishing Sep. 5, 1995
5441437 Compliant constant-force follower device for surface finishing tool Aug. 15, 1995
5433652 Glass sheet partial chamfering machine Jul. 18, 1995
5423712 Cutter for clip-on sunglasses Jun. 13, 1995
5413521 Inner diameter saw slicing machine May. 9, 1995
5394654 Method of wet-sanding defective parts of coating on vehicle body and system for carrying out the method Mar. 7, 1995
5392567 Method of removing an exposed cord on a power transmission belt, an apparatus for carrying out the method, and a power transmission belt made by practicing the method Feb. 28, 1995
5355633 Method of grinding a workpiece having plural cylindrical portions with plural grinding wheels Oct. 18, 1994
5329733 Wafer slicing and grinding machine and a method of slicing and grinding wafers Jul. 19, 1994
5317837 Device on a double disk lapping machine Jun. 7, 1994
5311704 Method and apparatus for correcting diametrical taper on a workpiece May. 17, 1994
5299390 Method and apparatus for lapping a pair of gears Apr. 5, 1994
5283981 Cam feed unit for a machine tool Feb. 8, 1994
5245794 Audio end point detector for chemical-mechanical polishing and method therefor Sep. 21, 1993
5237779 Apparatus for detecting machining conditions in a machine tool Aug. 24, 1993
5222329 Acoustical method and system for detecting and controlling chemical-mechanical polishing (CMP) depths into layers of conductors, semiconductors, and dielectric materials Jun. 29, 1993
5224050 Method for detecting the coordinate position of the grinding point of a grinding wheel and related device Jun. 29, 1993
5214882 Vacuum activated tool for the fabrication of optical surfaces Jun. 1, 1993
5205077 Apparatus for controlling operation of a lapping, honing or polishing machine Apr. 27, 1993
5189843 Wafer slicing and grinding machine and a method of slicing and grinding wafers Mar. 2, 1993
5175962 Method of and apparatus for machining spur and helical gears Jan. 5, 1993
5174068 Method and apparatus for preventing thermal damage of workpieces due to heat developed by a grinding process Dec. 29, 1992
5174070 Method and device for preventing thermal damage of workpieces during grinding Dec. 29, 1992
5174069 System for grinding rings with mechanical holding Dec. 29, 1992
5140777 Method and apparatus for polishing optical elements Aug. 25, 1992
5127194 Apparatus for sharpening the blade of a skate Jul. 7, 1992
5125188 Grinding wheel having grinding monitoring and automatic wheel balance control functions Jun. 30, 1992
5107628 Method of fabricating article having aspheric figure and tool for use in carrying out the method Apr. 28, 1992
5104828 Method of planarizing a dielectric formed over a semiconductor substrate Apr. 14, 1992
5103596 Method and apparatus for controlling cylinder grinding machines Apr. 14, 1992
5095662 Process for honing bores and a honing machine for performing the process Mar. 17, 1992
5094035 Automatic lapping device for magnetic drum of magnetographic printing machine Mar. 10, 1992
5088239 Monitoring a machining operation Feb. 18, 1992
5086590 Tool checking device for use with numerically controlled machines Feb. 11, 1992
5076022 Grinding machine for grinding outer and inner surfaces Dec. 31, 1991
5070655 Machining process monitor Dec. 10, 1991
5060423 Automatic control centerless finishing device for honing external cylindrical surfaces Oct. 29, 1991
5018313 Roundness processing device of a slipper surface of a rocker arm May. 28, 1991
5018071 Method and apparatus for controlling a grinder having a spindle with deflection sensor May. 21, 1991
4967515 Numerically controlled grinding machine Nov. 6, 1990
4968195 Method and tool for machining a three dimensional surface Nov. 6, 1990
4930262 Control system for surface grinding of like workpiece blanks Jun. 5, 1990
4907371 Automatic polishing machine Mar. 13, 1990
4901478 Radial diamond alignment apparatus for a lens generator Feb. 20, 1990
4872289 Cutter Oct. 10, 1989
4864776 Rail grinding apparatus Sep. 12, 1989
4831788 Method and device for controlling the rolling drive of a gear grinding machine May. 23, 1989
4829717 Method and relevant apparatus for controlling the machining of mechanical pieces May. 16, 1989

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