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Valve for equalizing pressure resulting from explosions or blasts
D287159 Valve for equalizing pressure resulting from explosions or blasts
Patent Drawings:Drawing: D287159-2    Drawing: D287159-3    Drawing: D287159-4    Drawing: D287159-5    
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(4 images)

Inventor: Purhonen
Date Issued: December 9, 1986
Application: 06/455,997
Filed: January 6, 1983
Inventors: Purhonen; Matti (Helsinki, FI)
Assignee: Temet Oy (Helsinki, FI)
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Takemoto; Ruth E.
Attorney Or Agent: Cushman, Darby & Cushman
U.S. Class: D23/235
Field Of Search: D13/32; D13/1; D13/3; D13/4; D13/11; D13/12; D23/19; D23/21; 137/78.1; 137/78.5; 137/81.1; 137/533.1; 137/512; 137/629; 98/106; 98/1.5; 138/26
International Class:
U.S Patent Documents: 4003398; 4432514
Foreign Patent Documents: 1092625
Other References:









Abstract:
Claim: The ornamental design for a valve for equalizing pressure resulting from explosions or blasts, as shown and described.
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.

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