Portable pipe end preparation tool

- Tri Tool, Inc.
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Description

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

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view taken from the left of FIG. 1;

FIG. 4 is a rear elevational view taken from the right of FIG. 1;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side elevational view of the side opposite that shown in FIG. 1 .

Referenced Cited
U.S. Patent Documents
D264678 June 1, 1982 Astle et al.
2227348 December 1940 Johnson
3228268 January 1966 Strout
3754488 August 1973 Pajari
3999452 December 28, 1976 Larsen
4114485 September 19, 1978 Coblitz et al.
4257289 March 24, 1981 Groothius
4411178 October 25, 1983 Wachs et al.
Patent History
Patent number: D278026
Type: Grant
Filed: Mar 15, 1983
Date of Patent: Mar 19, 1985
Assignee: Tri Tool, Inc. (Rancho Cordova, CA)
Inventor: William H. Astle (Rancho Cordova, CA)
Primary Examiner: B. J. Bullock
Law Firm: Bacon & Thomas
Application Number: 6/475,530
Classifications
Current U.S. Class: D 8/61; Turning, E.g., Lathe, Etc. (D15/130)