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Class Information
Number: 451/311
Name: Abrading > Machine > Endless band tool > Tension device
Description: Abrading machine for maintaining proper tautness in endless traveling abrading bands.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8574036 Machining station and apparatus for machining a workpiece Nov. 5, 2013
8360047 Cutting machine for blocks of natural stone and similar into slabs with diamond wires Jan. 29, 2013
8256407 Multi-wire saw and method for cutting ingot Sep. 4, 2012
8192253 Finishing apparatus Jun. 5, 2012
8047896 Polishing apparatus, polishing method, and processing apparatus Nov. 1, 2011
7744445 Polishing apparatus and polishing method Jun. 29, 2010
7621800 Belt grinding machine with a belt adjusting device Nov. 24, 2009
7387118 Wire saw Jun. 17, 2008
7374470 Knife sharpening apparatus May. 20, 2008
7364498 Double armed finishing tool for tubing materials Apr. 29, 2008
7322878 Belt grinder and attachment for grinding pipe ends Jan. 29, 2008
7273410 Guiding and pressing device for a belt sander Sep. 25, 2007
7131897 Portable rail cutting apparatus Nov. 7, 2006
7089925 Reciprocating wire saw for cutting hard materials Aug. 15, 2006
7090560 System and method for detecting abrasive article orientation Aug. 15, 2006
7066787 Substrate processing apparatus Jun. 27, 2006
7059947 Portable rail cutting apparatus Jun. 13, 2006
7052380 Sanding station for a belt sanding machine May. 30, 2006
7052381 Belt sander having tension adjustment mechanism May. 30, 2006
7044844 Shaping pulley assembly for belt notching machine May. 16, 2006
7025666 Belt sander having sand belt replacement apparatus Apr. 11, 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
6899594 Relative lateral motion in linear CMP May. 31, 2005
6893329 Polishing apparatus with abrasive tape, polishing method using abrasive tape and manufacturing method for magnetic disk May. 17, 2005
6878048 CMP belt stretch compensation apparatus and methods for using the same Apr. 12, 2005
6869341 Single-sided finishing apparatus Mar. 22, 2005
6855038 Shaping pulley assembly for belt notching machine Feb. 15, 2005
6848982 Tubular workpiece notching machine usable for general grinding operations Feb. 1, 2005
6837774 Linear chemical mechanical polishing apparatus equipped with programmable pneumatic support platen and method of using Jan. 4, 2005
6808442 Apparatus for removal/remaining thickness profile manipulation Oct. 26, 2004
6769974 Sand-belt finishing machine having a sand-belt replacement mechanism Aug. 3, 2004
6752706 Adjusting device for the sanding drum of a double-drum sander Jun. 22, 2004
6749491 CMP belt stretch compensation apparatus and methods for using the same Jun. 15, 2004
6746320 Linear reciprocating disposable belt polishing method and apparatus Jun. 8, 2004
6743084 Emery polishing machine Jun. 1, 2004
6736710 Polisher for polishing end surface of semiconductor wafer May. 18, 2004
6736697 Metal part having external surface with particular profile, polishing method for its production and device for implementing the method May. 18, 2004
6733372 Grinding machine having adjustable mechanism May. 11, 2004
6726532 Belt tensioning assembly for CMP apparatus Apr. 27, 2004
6648737 Contour sanding apparatus and kit Nov. 18, 2003
6641464 Method and apparatus for polishing the edge of a bonded wafer Nov. 4, 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
6500056 Linear reciprocating disposable belt polishing method and apparatus Dec. 31, 2002
6482072 Method and apparatus for providing and controlling delivery of a web of polishing material Nov. 19, 2002
6458021 Polishing apparatus with a balance adjusting unit Oct. 1, 2002
6428404 Web-format planarizing machines and methods for planarizing microelectronic substrate assemblies Aug. 6, 2002

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