Break-away coupling

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Description

FIG. 1 is a side elevation of a break-away coupling with optional end flanges, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an end elevation from arrow 3 of FIG. 1; and,

FIG. 4 is a cross-section on line 4--4 of FIG. 1.

Referenced Cited
U.S. Patent Documents
D193826 October 1962 Eekert
245403 August 1881 Seoh
D254266 February 19, 1980 Tableriou
D282961 March 11, 1986 Ryan
2322449 June 1943 Johnson et al.
2927604 March 1960 Johnson
3144261 August 1964 Stephens
3361451 January 1968 Murray et al.
4155571 May 22, 1979 Gastineau et al.
4294477 October 13, 1981 Ahlstone
Foreign Patent Documents
2076917 December 1981 GBX
Patent History
Patent number: D337153
Type: Grant
Filed: Apr 16, 1984
Date of Patent: Jul 6, 1993
Assignee: Alpha Process Controls (International) Limited (Durham)
Inventor: Frank E. King (Durham)
Primary Examiner: James R. Largen
Attorney: James C. Wray
Application Number: 6/600,697
Classifications
Current U.S. Class: Coupling Or Joint (D23/262)