The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 1981
Filed:
Apr. 10, 1978
Applicant:
Inventor:
George W Brodie, Wellington, GB;
Assignee:
IMI Marston Limited, Staffordshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
220 / ; 137 / ;
Abstract
A reverse buckling disc pressure relief venting apparatus in which the disc is held in position by an annular abutment against which the edge of the disc is forced when spreading under pressure and in which sealing is performed by means of a compressible seal acting between the disc and a support member for the disc.