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:
Sep. 17, 1991
Filed:
Nov. 02, 1989
Applicant:
Inventor:
Harvey A Wallskog, Irvine, CA (US);
Assignee:
Fluor Corporation, Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285364 ; 285420 ; 138 89 ;
Abstract
A closure apparatus for pipes, vessels and the like includes a ring member which extends around the perimeter of a pair of flanges. The ring member includes a plurality of rollers that engage the nonmating sides of the flanges and impart a closing force thereon. The ring is rotatable between a locked position wherein the flanges are pressurized to an unlocked position wherein the rollers align with slots extending around the periphery of one or both of the flanges, whereby the flanges can be pulled apart.
Wallskog, Harvey. (1991). Closure apparatus for pipes and vessels (U.S. Patent No. 5048876). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5048876
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile