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Class Information
Number: 451/462
Name: Abrading > Combined tool > Internal
Description: Combined tool for grinding the interior of a hollow workpiece.










Patents under this class:

Patent Number Title Of Patent Date Issued
8512105 Abrasive sharpener Aug. 20, 2013
8277289 Multi-functional grinding apparatus Oct. 2, 2012
7361079 Pipe deburring tool Apr. 22, 2008
7074116 Honing and deburring tool Jul. 11, 2006
6964077 Pipe cleaning and deburring tool Nov. 15, 2005
6887144 Surface impurity-enriched diamond and method of making May. 3, 2005
6855045 Tube surface cleaning device Feb. 15, 2005
6783449 Grinding tool Aug. 31, 2004
6065173 Cleaning device for copper tubing and copper fittings May. 23, 2000
5961382 Pipe beveler Oct. 5, 1999
5899795 Multi-function pipeline weld removal apparatus May. 4, 1999
5564968 Anti-chattering honing tool with selectable stones Oct. 15, 1996
5245795 Pipe support apparatus Sep. 21, 1993
5168660 Tubing abrasive cleaning device Dec. 8, 1992
5133154 Apparatus and fixture for use in grinding the needle tip and the needle seat in a fuel valve Jul. 28, 1992
5058327 Tubing and fitting stripper Oct. 22, 1991
5038525 Pipe polishing apparatus and method Aug. 13, 1991
4693496 Elastomeric coating removal process Sep. 15, 1987
4497138 Apparatus for simultaneously grinding inner and outer workpiece surfaces Feb. 5, 1985
4434588 Honing head for high-speed operation Mar. 6, 1984











 
 
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