Pipe coupling

- Nitto Kohki Co., Ltd.
Description

FIG. 1 is a perspective view taken from the top, front and right side of a pipe coupling showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view taken from the top, front and right side of a socket portion thereof;

FIG. 9 is a front elevational view of FIG. 8;

FIG. 10 is a top plan view of FIG. 8;

FIG. 11 is a right side elevational view of FIG. 8;

FIG. 12 is a left side elevational view of FIG. 8;

FIG. 13 is a rear elevational view of FIG. 8;

FIG. 14 is a bottom plan view of FIG. 8;

FIG. 15 is a perspective view taken from the top, back and right side of a plug portion thereof;

FIG. 16 is a front elevational view of FIG. 15, the top, the bottom and the rear being a mirror image of the front shown;

FIG. 17 is a left side elevational view of FIG. 15; and,

FIG. 18 is a right side elevational view of FIG. 15.

Referenced Cited
U.S. Patent Documents
4561682 December 31, 1985 Tisserat
4591192 May 27, 1986 Van Exel et al.
5152555 October 6, 1992 Szabo
5275443 January 4, 1994 Klinger
Foreign Patent Documents
53-66014 June 1978 JPX
62-186381 November 1987 JPX
62-266291 November 1987 JPX
63-96388 April 1988 JPX
63-96389 April 1988 JPX
Patent History
Patent number: D359797
Type: Grant
Filed: Sep 20, 1993
Date of Patent: Jun 27, 1995
Assignee: Nitto Kohki Co., Ltd. (Tokyo)
Inventor: Shunichi Saito (Tokyo)
Primary Examiner: A. Hugo Word
Assistant Examiner: Eric Watterson
Law Firm: Wenderoth, Lind & Ponack
Application Number: 0/13,184
Classifications
Current U.S. Class: Coupling Or Joint (D23/262)