Valve for equalizing pressure resulting from explosions or blasts

- Temet Oy
Description

FIG. 1 is a front perspective view of a valve for equalizing pressure resulting from explosions or blasts showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 7 is a front perspective view of a second embodiment thereof as shown in FIG. 1;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a right side elevational view thereof;

FIG. 11 is a rear elevational view thereof; and

FIG. 12 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
4003398 January 18, 1977 Duveau
4432514 February 21, 1984 Brandon
Foreign Patent Documents
1092625 November 1960 DEX
Patent History
Patent number: D287159
Type: Grant
Filed: Jan 6, 1983
Date of Patent: Dec 9, 1986
Assignee: Temet Oy (Helsinki)
Inventor: Matti Purhonen (Helsinki)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Ruth E. Takemoto
Law Firm: Cushman, Darby & Cushman
Application Number: 6/455,997
Classifications
Current U.S. Class: D23/21