Diaphragm from a diaphragm valve

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Description

FIG. 1 is a front elevational view of a diaphragm for a diaphragm valve showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D268048 February 22, 1983 Ueda
D268049 February 22, 1983 Ueda
D290640 June 30, 1987 Andersson
2302930 November 1942 Anderson
2615471 October 1952 McFarland, Jr.
2947325 August 1960 McFarland, Jr.
3130954 April 1964 McFarland, Jr.
3154286 October 1964 McFarland, Jr.
3208721 September 1965 McHugh
3310281 March 1967 Boteler
Patent History
Patent number: D300554
Type: Grant
Filed: May 28, 1985
Date of Patent: Apr 4, 1989
Assignee: Sekusui Kagaku Kogyo Kabushiki Kaisha (Osaka)
Inventors: Yoshihiro Kiyota (Saitama), Hideaki Hatanaka (Saitama)
Primary Examiner: James R. Largen
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 6/737,851
Classifications
Current U.S. Class: Element Or Attachment (D23/249)