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:
Jul. 12, 1977
Filed:
Nov. 19, 1975
Applicant:
Inventors:
Masashi Okada, Okayama, JA;
Takeshi Aoki, Okayama, JA;
Assignee:
Mitsui Shipbuilding and Engineering Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
2771 / ; 277176 ; 285113 ;
Abstract
Sealing apparatus used for sealing the gap between flanges which comprises an O-ring engaged with a circular groove formed in the coupling surface of one of the flanges and two backup rings engaged with the groove and the O-ring, each of the backup rings having an inclined surface to be axially urged by the O-ring whereby the upper backup ring is moved according to the gap to close it.
Quick Actions:
Okada, Masashi. (1977). Sealing apparatus (U.S. Patent No. 4034993). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4034993
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile