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Class Information
Number: 451/246
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Work rotating > Rotary work holder
Description: Abrading machine including a member adapted to grip and turn with the work about an axis more than 360°.










Sub-classes under this class:

Class Number Class Name Patents
451/251 Abrading eccentric shape 61
451/250 By hob 10
451/254 Disk or wheel abrader 84
451/253 Gear abrader 65
451/257 Glassware ornamenting 4
451/256 Lens abrader 102
451/249 Spaced abrading areas 81
451/247 Turret 32
451/252 Valve abrader 22


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8702475 Grinding machine for grinding workpieces Apr. 22, 2014
8662959 Cutting method and cutting device for hard material Mar. 4, 2014
8475233 Device for grinding spinning cots Jul. 2, 2013
8459578 Prescription label identity peeler Jun. 11, 2013
8460066 Grinding machine Jun. 11, 2013
8419509 Swivel device and grinding machine incorporating the same Apr. 16, 2013
8388411 Method for polishing the edge of a semiconductor wafer Mar. 5, 2013
8360819 Method for grinding a machine part, and grinding machine for carrying out said method Jan. 29, 2013
8342911 Truing apparatus of grinding wheel Jan. 1, 2013
8332997 Dental prosthesis manufacturing machine Dec. 18, 2012
8257151 Polishing device Sep. 4, 2012
8182313 Carriage arrangement for a machine tool May. 22, 2012
8082643 Machining apparatus Dec. 27, 2011
7824246 Wheel spindle device for grinding machine Nov. 2, 2010
7811154 Grinding apparatus Oct. 12, 2010
7758404 Apparatus for cleaning edge of substrate and method for using the same Jul. 20, 2010
7753762 Optical disc destruction device Jul. 13, 2010
7568969 Locking mechanism of linear motor travel slider and processing machine Aug. 4, 2009
7507147 Method for machining rotary parts Mar. 24, 2009
7452263 Grinding method Nov. 18, 2008
7402093 Grinding apparatus for buttons on rock drill bit Jul. 22, 2008
7303463 Semiconductor wafer polishing apparatus, and method of polishing semiconductor wafer Dec. 4, 2007
7247081 Precision machining apparatus and precision machining method Jul. 24, 2007
7226340 Grinding machine Jun. 5, 2007
7226344 Method of processing antifriction bearing unit for wheel Jun. 5, 2007
7125312 Rotor-grinding machine comprising a rotary head with two grinding wheels Oct. 24, 2006
7108589 Polishing apparatus and method Sep. 19, 2006
7101269 Cylindrical grinding machine Sep. 5, 2006
7052379 Methods and apparatus for machining a coupling May. 30, 2006
7008294 Method and device for grinding a rotating roller using an elastic steady-rest support Mar. 7, 2006
6979253 Work drive for continuous generation gear grinding machine Dec. 27, 2005
6926591 Multi-purpose machine Aug. 9, 2005
6887140 Machine for radiusing the corners of glass sheets May. 3, 2005
6869343 Turning tool for grooving polishing pad, apparatus and method of producing polishing pad using the tool, and polishing pad produced by using the tool Mar. 22, 2005
6840722 Machining apparatus and machining method Jan. 11, 2005
6827631 Center support grinding method, center support grinding machine, and centering method for the centers thereof Dec. 7, 2004
6773334 Dust collection and removal system Aug. 10, 2004
6722964 Polishing apparatus and method Apr. 20, 2004
6702649 Method of determining current position data of a machining tool and apparatus therefor Mar. 9, 2004
6648727 CNC dual workhead chucker grinder Nov. 18, 2003
6419562 Method and apparatus for sharpening drill bits Jul. 16, 2002
6358123 Apparatus and method for reducing disc surface asperities to sub-microinch height Mar. 19, 2002
6319100 Disk edge polishing machine and disk edge polishing system Nov. 20, 2001
6287176 Grinding disk with peripheral groove Sep. 11, 2001
6200200 Method and device for non-circular grinding of cam shapes with concave flanks Mar. 13, 2001
6196902 Apparatus for finishing the edge of a sheet of glass Mar. 6, 2001
6190242 Universal grinding machine Feb. 20, 2001
6142854 Deburring system and method for using same Nov. 7, 2000
6126522 Method for manufacturing golf ball Oct. 3, 2000
6120355 Method and apparatus for lapping gears Sep. 19, 2000

1 2 3










 
 
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