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Class Information
Number: 451/440
Name: Abrading > Attachment > Internal abrader
Description: Attachment to be secured to hollow work for abrading the interior thereof.










Patents under this class:

Patent Number Title Of Patent Date Issued
8585464 Lapping system and method for lapping a valve face Nov. 19, 2013
6960121 Method of honing bores Nov. 1, 2005
6106370 Pipe cleaning and burnishing tool and method Aug. 22, 2000
5931728 Device for carrying out mechanical tooling of a valve seat Aug. 3, 1999
5899795 Multi-function pipeline weld removal apparatus May. 4, 1999
5707277 Unitary internal/external extension plate for a jig grinder Jan. 13, 1998
5697834 Remote repair appliance Dec. 16, 1997
5207031 Apparatus for use in renovation of tube systems, in particular sewer tube systems May. 4, 1993
5056269 Apparatus for working in pipes Oct. 15, 1991
5054976 Inside processing apparatus Oct. 8, 1991
5038525 Pipe polishing apparatus and method Aug. 13, 1991
5022192 Conduit grinding apparatus Jun. 11, 1991
4862648 Method and device for renewal of an inner face of a roll mantle of a suction roll Sep. 5, 1989
4741128 Cutter assembly May. 3, 1988
4662123 Grinder apparatus May. 5, 1987
4657450 Machining tool for pipes Apr. 14, 1987
4657449 Internal sewage line stub cutting tool having automatic bit adjustment Apr. 14, 1987
4628642 Device for sharpening circular knives Dec. 16, 1986
4625465 Hone stop assembly Dec. 2, 1986
4601133 Manipulator head with grinding device for pipes or pipelines Jul. 22, 1986
4455787 Engine fan case grinder Jun. 26, 1984
4419847 Device for supporting and moving a tool within a tapping Dec. 13, 1983
4383395 In-place rotating grinding machine May. 17, 1983
4327526 Apparatus for grinding the internal walls of pipes May. 4, 1982
4246728 Conduit end treating tool Jan. 27, 1981
4107884 Cylinder ridge grinder Aug. 22, 1978
4033229 Tool for enlarging the bore in a workpiece Jul. 5, 1977











 
 
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