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Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/505
Name: Abrading > Tool support for flexible-member tool > Including expansible external surface > Hydraulically actuated
Description: Tool support wherein expansion of the external surface is caused by a gas or liquid under pressure.










Patents under this class:

Patent Number Title Of Patent Date Issued
8167682 Automatic constant pressure polishing apparatus for improving surface accuracy of lens May. 1, 2012
7824248 Wheel assembly for a pneumatic sander Nov. 2, 2010
6685547 Pneumatic sanding roll for flexible abrasive cloth sleeve Feb. 3, 2004
6439967 Microelectronic substrate assembly planarizing machines and methods of mechanical and chemical-mechanical planarization of microelectronic substrate assemblies Aug. 27, 2002
6425808 Honing tool Jul. 30, 2002
6152814 Expandable abrasive belt for use with inflatable tool Nov. 28, 2000
6083086 Expanding device for grinding sleeves Jul. 4, 2000
5931719 Method and apparatus for using pressure differentials through a polishing pad to improve performance in chemical mechanical polishing Aug. 3, 1999
5895311 Abrasive device that maintains normal line of contact with curved abrasive surface and method of using same Apr. 20, 1999
5860851 Polishing apparatus and polishing method using the same Jan. 19, 1999
5800252 Fluid-activated variable honing tools and method of using the same Sep. 1, 1998
5762546 Pneumatically assisted conformal tool for an ophthalmic lens finer/polisher Jun. 9, 1998
5672096 Inflatable tool Sep. 30, 1997
5593345 Abrasive-belt conversion wheel for cylindrical grinders Jan. 14, 1997
5591073 Method and apparatus for lapping sliders Jan. 7, 1997
5554064 Orbital motion chemical-mechanical polishing apparatus and method of fabrication Sep. 10, 1996
5351447 Inflatable sanding drum Oct. 4, 1994
5255474 Polishing spindle Oct. 26, 1993
5230184 Distributed polishing head Jul. 27, 1993
5205083 Method and apparatus for polishing optical lenses Apr. 27, 1993
5134928 Peeling rollers for vegetables Aug. 4, 1992
4897968 Inflatable grinding roller Feb. 6, 1990











 
 
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