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Class Information
Number: 451/542
Name: Abrading > Rigid tool > Rotary cylinder > Circular segments
Description: Rotary cylindrical abrading tool comprised of a plurality of preformed blocks of material containing an abrasive which when assembled together, along the circumference of a circle, form a complete cylinder or cylindrical annulus.










Sub-classes under this class:

Class Number Class Name Patents
451/543 Detachable 30


Patents under this class:
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Patent Number Title Of Patent Date Issued
8628385 Bonded abrasive article and method of use Jan. 14, 2014
8568205 Abrasive tools having a continuous metal phase for bonding an abrasive component to a carrier Oct. 29, 2013
8360046 Cutting tip, method for making the cutting tip and cutting tool Jan. 29, 2013
8360830 Grinding lamella and grinding wheel holding same Jan. 29, 2013
8313358 Notched grind wheel and method to manufacture a rotor blade retention slot Nov. 20, 2012
8182318 Obliquely grooved grinding wheel and method for manufacturing the same May. 22, 2012
8033278 Segmented grinding wheel and manufacturing method therefor Oct. 11, 2011
7904989 Rotary eraser assembly Mar. 15, 2011
7695353 Grinding wheel Apr. 13, 2010
7661419 Cutting segment for diamond tool and diamond tool having the segment Feb. 16, 2010
7527050 Method for fabricating multi-layer, hub-less blade May. 5, 2009
7497212 Cutting tool and method for manufacturing the cutting tool Mar. 3, 2009
7353819 Processing tips and tools using the same Apr. 8, 2008
7337775 Cutting tip for diamond tool and diamond tool Mar. 4, 2008
7207876 Flap wheel and method Apr. 24, 2007
7131903 Segmented superabrasive grinding device Nov. 7, 2006
7108598 PDC interface incorporating a closed network of features Sep. 19, 2006
7097551 Cutting tools with two-slope profile Aug. 29, 2006
7086938 Grinding segment and grinder stone Aug. 8, 2006
7073496 High precision multi-grit slicing blade Jul. 11, 2006
6994615 Cutting tools with two-slope profile Feb. 7, 2006
6890250 Diamond blade having rim type cutting tip for use in grinding or cutting apparatus May. 10, 2005
6878051 Saw blade with shaped gullets Apr. 12, 2005
6872133 Wave saw blade Mar. 29, 2005
6846233 Segmental type grinding wheel Jan. 25, 2005
6827641 Grinding wheel having synthetic resin layers covering axially opposite end faces of body of the wheel Dec. 7, 2004
6796891 Grinding wheel, a process of manufacturing the grinding wheel and a process of reclaiming the grinding wheel Sep. 28, 2004
6793564 Rotary tool with combined abrasive and fragmentation action for producing profiles or cuts on sheets of fragile material such as marble, granite, stone, glass and the like Sep. 21, 2004
6752141 Circular cut-off saw blade Jun. 22, 2004
6712682 Grinding wheel fixture Mar. 30, 2004
6705936 Large-width, angular-sided segmental superabrasive grinding wheel Mar. 16, 2004
6641473 Grinding wheel with abrasive segment chips including at least two abrasive segment chips whose circumferential lengths are different from each other Nov. 4, 2003
6638152 Diamond blade having segment type cutting tip for use in cutting, grinding or drilling apparatus Oct. 28, 2003
6638153 Diamond saw blade equipped with undercut preventing tip Oct. 28, 2003
6615816 Rotary cutting saw having abrasive segments in which wear-resistant grains are regularly arranged Sep. 9, 2003
6564887 Core drill May. 20, 2003
6453899 Method for making a sintered article and products produced thereby Sep. 24, 2002
6450870 Vitrified grindstone having pores partially filled with resin, and method of manufacturing the same Sep. 17, 2002
6446740 Cutting element with improved polycrystalline material toughness and method for making same Sep. 10, 2002
6358133 Grinding wheel Mar. 19, 2002
6325165 Cutting element with improved polycrystalline material toughness Dec. 4, 2001
6309292 Rotary tool for surface treatment Oct. 30, 2001
6283845 Grinding wheel Sep. 4, 2001
6277016 Core drill for drilling fine hole and method of manufacturing the same Aug. 21, 2001
6273082 Abrasive cutting tool Aug. 14, 2001
6250295 Tool Jun. 26, 2001
6196910 Polycrystalline diamond compact cutter with improved cutting by preventing chip build up Mar. 6, 2001
6193770 Brazed diamond tools by infiltration Feb. 27, 2001
6129077 Cutting tool and method for the manufacture thereof Oct. 10, 2000
6120568 Article and a method for producing an article having a high friction surface Sep. 19, 2000

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