Socket of pipe coupling

- Nitto Kohki Co., Ltd.
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Description

FIG. 1 is a perspective view of a socket of pipe coupling when seen from the top and left side of the rear.

FIG. 2 is a front elevational view hereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D119175 February 1940 Shaw
2565572 August 1951 Pangborn
3351362 November 1967 Hansen
4498658 February 12, 1985 Mikiya
Foreign Patent Documents
990204 September 1997 JPX
Patent History
Patent number: D412738
Type: Grant
Filed: Mar 4, 1998
Date of Patent: Aug 10, 1999
Assignee: Nitto Kohki Co., Ltd. (Tokyo)
Inventor: Tetsuya Kuwabara (Tokyo)
Primary Examiner: Robin V. Taylor
Law Firm: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 0/84,454
Classifications
Current U.S. Class: Valve Or Body Therefor (D23/233); Pipe, Tubing Or Hose (D23/266)
International Classification: 2301;