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Class Information
Number: 451/303
Name: Abrading > Machine > Endless band tool > Presser or former
Description: Abrading machine employing an endless traveling abrading band and having means for pressing the band against the work and causing it to conform to the shape thereof.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8602849 Finishing device for finishing a surface of a workpiece Dec. 10, 2013
8574036 Machining station and apparatus for machining a workpiece Nov. 5, 2013
8540551 Glass edge finish system, belt assembly, and method for using same Sep. 24, 2013
8535117 Method and apparatus for polishing a substrate having a grinded back surface Sep. 17, 2013
8517804 Pressing device for cutting means and apparatus and method for finishing circumferential surfaces on cylindrical parts of a workpiece Aug. 27, 2013
8408973 Finishing apparatus with resiliently mountable finishing belt guide Apr. 2, 2013
8393935 Polishing apparatus Mar. 12, 2013
8366515 Form transfer grinding method Feb. 5, 2013
8342913 Orbital apparatus for machining a revolution metallic wall Jan. 1, 2013
8282444 Overlay sander Oct. 9, 2012
8216026 Form transfer grinding method Jul. 10, 2012
8210905 Wafer polishing device and method Jul. 3, 2012
8192249 Systems and methods for polishing a magnetic disk Jun. 5, 2012
8192253 Finishing apparatus Jun. 5, 2012
8029334 Device for modifying the position of the segments in the event of the inclination of a segmented grinding pad Oct. 4, 2011
7976361 Polishing apparatus and polishing method Jul. 12, 2011
7862402 Polishing apparatus and substrate processing apparatus Jan. 4, 2011
7815492 Surface treatment method Oct. 19, 2010
7744446 Sanding apparatus Jun. 29, 2010
7744445 Polishing apparatus and polishing method Jun. 29, 2010
7722445 Insertion tool for an angle grinder May. 25, 2010
7682225 Polishing apparatus and substrate processing apparatus Mar. 23, 2010
7621799 Polishing method and polishing device Nov. 24, 2009
7614935 Apparatus for machining a workpiece Nov. 10, 2009
7438628 Device and control unit for belt sanding systems Oct. 21, 2008
7431634 Platen assembly, apparatus having the platen assembly and method of polishing a wafer using the platen assembly Oct. 7, 2008
7413498 Lapping apparatus and lapping method Aug. 19, 2008
7371159 Devices with angularly adjustable sanding units May. 13, 2008
7179154 Method and apparatus for cleaning a wafer bevel edge and notch using a pin and an abrasive film cassette Feb. 20, 2007
7153182 System and method for in situ characterization and maintenance of polishing pad smoothness in chemical mechanical polishing Dec. 26, 2006
7115023 Process tape for cleaning or processing the edge of a semiconductor wafer Oct. 3, 2006
7108587 Backup shoe for microfinishing and methods Sep. 19, 2006
7097547 Handheld skate sharpener Aug. 29, 2006
7090560 System and method for detecting abrasive article orientation Aug. 15, 2006
7077733 Subpad support with a releasable subpad securing element and polishing apparatus including the subpad support Jul. 18, 2006
7066787 Substrate processing apparatus Jun. 27, 2006
7052380 Sanding station for a belt sanding machine May. 30, 2006
7033245 Lapping apparatus and lapping method Apr. 25, 2006
7025660 Assembly and method for generating a hydrodynamic air bearing Apr. 11, 2006
7018276 Air platen for leading edge and trailing edge control Mar. 28, 2006
7014529 Substrate processing method and substrate processing apparatus Mar. 21, 2006
6988934 Method and apparatus of a variable height and controlled fluid flow platen in a chemical mechanical polishing system Jan. 24, 2006
6976906 Apparatus for reducing compressed dry air usage during chemical mechanical planarization Dec. 20, 2005
6951511 Platen with peripheral frame for supporting a web of polishing material in a chemical mechanical planarization system Oct. 4, 2005
6926589 Chemical mechanical polishing apparatus and methods using a flexible pad and variable fluid flow for variable polishing Aug. 9, 2005
6913521 Methods using active retainer rings for improving edge performance in CMP applications Jul. 5, 2005
6908369 Apparatus for and method of smoothing substrate surface Jun. 21, 2005
6893329 Polishing apparatus with abrasive tape, polishing method using abrasive tape and manufacturing method for magnetic disk May. 17, 2005
6869341 Single-sided finishing apparatus Mar. 22, 2005
6863601 Sand-belt finishing machine having lift device Mar. 8, 2005

1 2 3 4 5

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