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Class Information
Number: 451/297
Name: Abrading > Machine > Endless band tool > Belt tracking
Description: Abrading machine having means to correct or adjust the lateral position of the abrading belt on a support roller.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8382556 Portable belt grinder Feb. 26, 2013
8251777 Polishing slurry for aluminum and aluminum alloys Aug. 28, 2012
8075374 Belt sander Dec. 13, 2011
8062096 Use of CMP for aluminum mirror and solar cell fabrication Nov. 22, 2011
8007345 Portable belt sander Aug. 30, 2011
7997962 Belt sander Aug. 16, 2011
7899651 Entrance angle estimation method of V-ribbed belt, entrance angle estimation program employing the method, and pulley layout designing method Mar. 1, 2011
7621800 Belt grinding machine with a belt adjusting device Nov. 24, 2009
7614935 Apparatus for machining a workpiece Nov. 10, 2009
7503838 Belt sander Mar. 17, 2009
7422515 Wide belt sander Sep. 9, 2008
7374470 Knife sharpening apparatus May. 20, 2008
7273410 Guiding and pressing device for a belt sander Sep. 25, 2007
7097547 Handheld skate sharpener Aug. 29, 2006
7090571 Belt sander Aug. 15, 2006
7090560 System and method for detecting abrasive article orientation Aug. 15, 2006
7066787 Substrate processing apparatus Jun. 27, 2006
7063605 Retaining ring for wafer carriers Jun. 20, 2006
7044844 Shaping pulley assembly for belt notching machine May. 16, 2006
7008303 Web lift system for chemical mechanical planarization Mar. 7, 2006
6951511 Platen with peripheral frame for supporting a web of polishing material in a chemical mechanical planarization system Oct. 4, 2005
6939203 Fluid bearing slide assembly for workpiece polishing Sep. 6, 2005
6855038 Shaping pulley assembly for belt notching machine Feb. 15, 2005
6749492 Rotary sanding machine with a dust collecting mechanism Jun. 15, 2004
6726532 Belt tensioning assembly for CMP apparatus Apr. 27, 2004
6726545 Linear polishing for improving substrate uniformity Apr. 27, 2004
6663475 Grinding apparatus Dec. 16, 2003
6648737 Contour sanding apparatus and kit Nov. 18, 2003
6629875 Machine for grinding-polishing of a water edge Oct. 7, 2003
6612901 Apparatus for in-situ optical endpointing of web-format planarizing machines in mechanical or chemical-mechanical planarization of microelectronic-device substrate assemblies Sep. 2, 2003
6561884 Web lift system for chemical mechanical planarization May. 13, 2003
6544112 Belt tracking adjustment means for belt type abrading machine Apr. 8, 2003
6537142 Belt adjusting device of belt sander Mar. 25, 2003
6503128 Contour sanding attachment and method Jan. 7, 2003
6428394 Method and apparatus for chemical mechanical planarization and polishing of semiconductor wafers using a continuous polishing member feed Aug. 6, 2002
6416385 Method and apparatus for polishing semiconductor wafers Jul. 9, 2002
6312315 Abrasive article with separately formed front surface protrusions containing a grinding aid and methods of making and using Nov. 6, 2001
6186866 Abrasive article with separately formed front surface protrusions containing a grinding aid and methods of making and using Feb. 13, 2001
6135866 Grinding device for tools Oct. 24, 2000
6126512 Robust belt tracking and control system for hostile environment Oct. 3, 2000
6106388 Belt guide member Aug. 22, 2000
6059643 Apparatus and method for polishing a flat surface using a belted polishing pad May. 9, 2000
6001006 Machine for machining internal surfaces of axisymmetric workpieces using an abrasive strip Dec. 14, 1999
5864746 Grinder for fingernail cosmetology Jan. 26, 1999
5860854 Belt sander with a lateral drift prevention device Jan. 19, 1999
5830046 Belt shifting idler pulley for reciprocating an abrasive belt Nov. 3, 1998
5573619 Method of making a coated abrasive belt with an endless, seamless backing Nov. 12, 1996
5545077 Belt grinder with a plate tensioning means Aug. 13, 1996
5273493 Tracking device for endless belts moving on rollers Dec. 28, 1993

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