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Class Information
Number: 451/27
Name: Abrading > Precision device or process - or with condition responsive control > With feeding of tool or work holder > Tool interior of workpiece
Description: Subject matter in which the tool moves internal of a workpiece.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8621731 Tool and a method for renovation of a pipe system Jan. 7, 2014
8512097 Polishing arrangement and method of polishing a workpiece surface Aug. 20, 2013
8366519 Inner surface grinding tool Feb. 5, 2013
8360819 Method for grinding a machine part, and grinding machine for carrying out said method Jan. 29, 2013
8292695 Machine for creating non-cylindrical bore surfaces Oct. 23, 2012
8277280 Honing feed system and method employing rapid tool advancement and feed force signal conditioning Oct. 2, 2012
8251779 Grinding device with cleaning assembly Aug. 28, 2012
8246421 Arc surface grinding device Aug. 21, 2012
8162722 Grindstone contact sensing method and its device, and honing method and honing machine Apr. 24, 2012
8096853 Pre- and post-process bore gaging using a honing feed system equipped with feed force sensing Jan. 17, 2012
7809463 Numerically controlled machining apparatus Oct. 5, 2010
7726004 Processing cell of automatic machining system and automatic honing system Jun. 1, 2010
7575502 Method of operating honing feed system having full control of feed force, rate, and position Aug. 18, 2009
7371149 Honing feed system having full control of feed force, rate, and position and method of operation of the same May. 13, 2008
7346973 Processing cell of automatic machining system and automatic honing system Mar. 25, 2008
7267608 Method and apparatus for conditioning a chemical-mechanical polishing pad Sep. 11, 2007
6793560 Honing method Sep. 21, 2004
6739954 Grinding pin for grinding machines comprising resin bonded selections of rough grit and fine grit May. 25, 2004
6688949 Method and apparatus for surface treatment of inner surface of member Feb. 10, 2004
6615613 Method of grinding a substrate and method of manufacturing a glass substrate and a magnetic recording medium by the use of the glass substrate Sep. 9, 2003
6546992 Method and apparatus for the working of cavity walls of continuous casting molds Apr. 15, 2003
6533640 Ultra high pressure abrasive waterjet cutting apparatus Mar. 18, 2003
6461229 Abrasive machine for machining a surface of a cylindrical work piece Oct. 8, 2002
6454629 Method for the production of medical fittings, in particular dental fittings Sep. 24, 2002
6409578 Adjustable grinding method and apparatus Jun. 25, 2002
6322423 Internal abrasive machine Nov. 27, 2001
6012973 Cylinder and method for honing its internal surfaces Jan. 11, 2000
5803794 Combined grinding machine for providing an internal spline Sep. 8, 1998
5679061 System for grinding rings with hydraulic holding Oct. 21, 1997
5667425 Device for centering and clamping a component with a view to lapping it using an expansion lap Sep. 16, 1997
5558558 Apparatus for retracting a tool slide of an ultrasonic cutting machine Sep. 24, 1996
5554063 Centerless grinder having inside diameter size control and method therefor Sep. 10, 1996
5540613 Cutter apparatus Jul. 30, 1996
5426352 Automatic honing apparatus Jun. 20, 1995
5411430 Scanning optical device and method for making a hybrid scanning lens used therefor May. 2, 1995
5359814 System for grinding a workpiece Nov. 1, 1994
5305556 Method and apparatus for shaping the interior surfaces of bores Apr. 26, 1994
5293717 Method for removal of abradable material from gas turbine engine airseals Mar. 15, 1994
5269103 Honing measuring tool Dec. 14, 1993
5205078 Rotary apparatus Apr. 27, 1993
5197228 Method of and machine for grinding a workpiece Mar. 30, 1993
5177904 Method for honing workpieces Jan. 12, 1993
5111623 Process and apparatus for machining the inner surfaces of hollow bodies May. 12, 1992
5095662 Process for honing bores and a honing machine for performing the process Mar. 17, 1992
5088237 Method, machine and tool for the honing of workpieces Feb. 18, 1992
5076022 Grinding machine for grinding outer and inner surfaces Dec. 31, 1991
5072550 Grinding method and grinding machine with controlled grinding force Dec. 17, 1991
5044125 Method and apparatus for controlling grinding processes Sep. 3, 1991
5025594 Method and apparatus for controlling grinding processes Jun. 25, 1991
4991356 Ultra-precision grinding machine Feb. 12, 1991

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