Diaphragm valve

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;

FIG. 5 is a top perspective view of a modified form of the diaphragm valve shown in FIG. 1;

FIG. 6 is a bottom perspective view of FIG. 5;

FIG. 7 is a bottom plan view of FIG. 5;

FIG. 8 is a cross-sectional view taken on line 8--8 of FIG. 7;

FIG. 9 is a top perspective view of a second modified form of the diaphragm valve shown in FIG. 1;

FIG. 10 is a bottom perspective view of FIG. 9;

FIG. 11 is a bottom plan view of FIG. 9; and

FIG. 12 is a cross-sectional view taken on line 12--12 of FIG. 11.

Referenced Cited
U.S. Patent Documents
2302930 November 1942 Anderson
3020020 February 1962 Boteler
3502300 March 1970 Harris
Foreign Patent Documents
1100573 May 1954 FRX
Patent History
Patent number: D268048
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: 6/136,711
Classifications
Current U.S. Class: D23/19
International Classification: D2301;