Mark D Grabowski

US Patent:

57910057, Aug 11, 1998

Filed:

Nov 14, 1996

Appl. No.:

8/749088

Inventors:

Mark Grabowski - Willoughby OH
Heinz Holzhaeusser - Concord OH
Paul M. Miller - Highland Heights OH
David J. Swift - Webster OH

Assignee:

The Mill-Rose Company - Mentor OH

International Classification:

B08B 900
A46B 502

US Classification:

1510404

Abstract:

A scarifying and deburring tool is disclosed adapted to scarify an outer surface of a tubing, pipe or fitting end and scarify and debur an inner surface of a member having an open cylindrical end such tubing, pipe or fitting end. The tool includes an elongated contoured handle with two inner surface scarifying brushes extending from opposite ends of the handle. The handle includes two outer surface scarifying brushes supported in spaced apart throughbores in the handle. A deburring plate is affixed to one side of the handle and includes an inwardly angled deburring scrapers aligned with and extending into respective throughbores. When a tubing, pipe or fitting end is inserted in a throughbore and seated against the corresponding scraper, the end is deburred when the tubing, pipe or fitting is rotated with respect to the tool. The deburring plate includes an opening that functions as a key for opening and closing "B" type acetylene tanks.