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Class Information
Number: 451/441
Name: Abrading > Attachment > Orbital tool
Description: Attachment in which the grinding tool revolves about a center outside itself.

Patents under this class:

Patent Number Title Of Patent Date Issued
6857949 Electric portable grinding machine, particularly an eccentric grinder, provided with edge protection Feb. 22, 2005
6685546 Automatic abrasive sleeve tightening means and quick release system for an oscillating spindle sander Feb. 3, 2004
6547654 Automatic abrasive sleeve tightening means and quick release system for an oscillating spindle sander Apr. 15, 2003
6527631 Electric hand power grinder, in particular eccentric grinder Mar. 4, 2003
6514129 Multi-action chemical mechanical planarization device and method Feb. 4, 2003
6402851 Lanthanide oxide dissolution from glass surface Jun. 11, 2002
6129618 Oscillating sander Oct. 10, 2000
6035474 Sander with depth guide and process of sanding a surface Mar. 14, 2000
6010392 Die thinning apparatus Jan. 4, 2000
6007410 Pipefacing tool Dec. 28, 1999
5967886 Hand power tool for flat machining Oct. 19, 1999
5888128 Hand grinder Mar. 30, 1999
5800253 Disc streak pattern forming method and apparatus Sep. 1, 1998
5720070 Weld cleaning machine Feb. 24, 1998
5713785 Vacuum type portable sander Feb. 3, 1998
5464367 Sanding tool for connection with a rotating drive Nov. 7, 1995
5343584 Nuclear reactor pressure vessel and head flange polisher Sep. 6, 1994
5299552 Method and apparatus for cutting circular opening in structure Apr. 5, 1994
5170589 Method for reconditioning of the sealing face on a drying cylinder of a paper machine and device for reconditioning of the sealing face Dec. 15, 1992
5148635 Method and apparatus hydraulic turbine repair Sep. 22, 1992
5076025 Land grinder mount Dec. 31, 1991
4987700 Mechanical scarfing apparatus Jan. 29, 1991
4934109 Method and apparatus for grinding the edge of a pipe Jun. 19, 1990
4887328 Device for brushing sealing surfaces of enclosure access holes Dec. 19, 1989
4821464 Apparatus for machining an earth grader blade support Apr. 18, 1989
4819385 Device for treating the ends of tubular components Apr. 11, 1989
4802310 Sander attachment Feb. 7, 1989
4625464 Pipe processing device Dec. 2, 1986
4551952 Tire side wall cleaner Nov. 12, 1985
4525956 In-situ annular face grinder Jul. 2, 1985
4519169 Portable orbiting grinding machine May. 28, 1985
4513542 Portable surfacing machine for boiler manhole Apr. 30, 1985
4492136 Cutting assembly system for pipe casings and the like Jan. 8, 1985
4470225 Variable position orbital sander Sep. 11, 1984
4455787 Engine fan case grinder Jun. 26, 1984
4438600 Grinding, welding and cutting apparatus Mar. 27, 1984
4361061 Machine tool for dressing the end face of an engine cylinder liner Nov. 30, 1982
4297061 Steam generator shell parting method and apparatus Oct. 27, 1981
4219973 Grinding machine for chamfering workpiece end surfaces Sep. 2, 1980
4174746 Pile sizer Nov. 20, 1979
4144867 Concrete pile-cutting machine Mar. 20, 1979
4109635 Machine grooved joint on hollow concrete cylinders Aug. 29, 1978
4098029 Axle grinder Jul. 4, 1978
4069624 Portable grinding machine for resurfacing cylinder head retainers Jan. 24, 1978

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