Diaphragm valve

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Description

FIG. 1 is a top perspective view of a diaphragm valve showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a cross sectional view taken on line 4--4 of FIG. 3 and;

FIG. 5 is a cross sectional view taken on line 5--5 of FIG. 3.

Referenced Cited
U.S. Patent Documents
2302930 November 1942 Anderson
2615471 October 1952 McFarland, Jr.
2710629 June 1955 Price
2947325 August 1960 McFarland, Jr.
3020020 February 1962 Boteler
3130954 April 1964 McFarland, Jr.
3154286 October 1964 McFarland, Jr.
3181990 May 1965 Reiling
3310281 March 1967 Boteler
3502300 March 1970 Harris
Patent History
Patent number: D268049
Type: Grant
Filed: Apr 2, 1980
Date of Patent: Feb 22, 1983
Assignee: Asahi Yukizai Kogyo Kabushiki Kaisha (Nobeoka)
Inventor: Tomoyuki Ueda (Nobeoka)
Primary Examiner: James R. Largen
Law Firm: Cushman, Darby & Cushman
Application Number: 6/136,712
Classifications
Current U.S. Class: D23/19
International Classification: D2301;