Cutting by use of rotating axially moving tool – Tool or tool with support – Having inversely angled cutting edge
Reexamination Certificate
2006-04-18
2006-04-18
Howell, Daniel W. (Department: 3722)
Cutting by use of rotating axially moving tool
Tool or tool with support
Having inversely angled cutting edge
C408S223000, C408S713000
Reexamination Certificate
active
07029211
ABSTRACT:
The present invention a pipe chamfer tool including a body having at least one aperture defined therein, the aperture sized and adapted to slidably receive a pipe. The chamfer tool further includes a cutting blade housed in the body defining at least one cutting surface for chamfering a pipe end. The cutting blade oriented such that a pipe end received within an aperture simultaneously impinges on one of the cutting surfaces and a stop surface wherein the stop surface positioned at a preselected offset distance; and wherein a pipe end is chamfered by rotating a pipe or rotating the body thereby cutting a pipe end to a chamfer. The chamfer tool includes a cutting blade having a planar blade portion having top and bottom surfaces with V shaped cutting surfaces defined along a front edge of the blade wherein the V shaped cutting surfaces positioned adjacent each other along the front edge of the blade.
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