Pipe end preparation tool

- Tri Tool, Inc.
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Description

FIG. 1 is a front elevational view of a pipe end preparation tool, showing my new design;

FIG. 2 is an elevational view of one side, the opposite side being substantially a mirror image thereof;

FIG. 3 is a rear elevational view;

FIG. 4 is a bottom plan view; and,

FIG. 5 is a top plan view.

Referenced Cited
U.S. Patent Documents
2004741 June 1935 Zimmerman
2227348 December 1940 Johnson
2453848 November 1948 Livingston et al.
3403597 October 1968 Beckman et al.
3999452 December 28, 1976 Larsen
4257289 March 24, 1981 Groothius
Patent History
Patent number: D264678
Type: Grant
Filed: Dec 3, 1979
Date of Patent: Jun 1, 1982
Assignee: Tri Tool, Inc. (Rancho Cordova, CA)
Inventors: Henry Astle (Rancho Cordova, CA), John E. Pertle (Garden Valley, CA)
Primary Examiner: Peter M. Caun
Law Firm: Bacon & Thomas
Application Number: 6/99,873
Classifications
Current U.S. Class: D 8/61
International Classification: D0801;