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:
Apr. 09, 1991
Filed:
Nov. 07, 1990
Applicant:
Inventors:
Edward H Short, III, Tulsa, OK (US);
Jim E Ellis, Tulsa, OK (US);
Assignee:
BS&B Safety Systems, Inc., Tulsa, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
220 891 ; 220 892 ; 137 / ;
Abstract
The invention renders fail safe a rupture disk assembly consisting of inlet head, outlet head, and rupture disk secured therebetween, whenever the assembly is installed upside down. A fail safe relief notch is formed in the inlet head disk seating surface to cause premature bursting of the rupture disk when the assembly is improperly installed.