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US 2002/0160705 A1Published application
Roughening device
AssigneeWilliam P. Gundy
InventorsWilliam P. Gundy, Ernst Geiger
Life of this patent
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Abstract
One embodiment of a roughening device comprises a hub, a body having a wall defining a cavity, and an elastomeric material within the cavity. A plurality of cutting elements extend through holes in the wall of the body such that a base of each cutting element is positioned against the elastomeric material.
Claims16
A roughening device comprising:
- a hub adapted to be attached to a shaft of a drilling device;
- a body extending from said hub, said body having a wall defining a cavity, wherein a plurality of holes extend through said wall;
- an elastomeric material located in said cavity defined by said wall of said body;
- and
- a plurality of cutting elements extending through respective said plurality of holes, wherein a base of each of said cutting elements is positioned within said cavity and against said elastomeric material, and wherein a cutting tip of each of said cutting elements is positioned outside of said wall of said body.
2 more elements
A roughening device comprising:
- a body having a wall defining a cavity, wherein a plurality of holes extend through said wall;
- a plug located within said cavity of said body, wherein said plug is adapted to be attached to a shaft of a drilling device;
- and
- a plurality of cutting elements extending through respective said plurality of holes, wherein a base of each of said cutting elements is positioned within said cavity and against said plug, and wherein a cutting tip of each of said cutting elements is positioned outside of said wall of said body.
1 more element
Dependencies are inferred from the claim text.