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:
Oct. 03, 1989
Filed:
Jan. 24, 1983
Applicant:
Inventors:
William T Bell, Huntsville, TX (US);
Richard C Ellis, Kingwood, TX (US);
Robert E Snyder, Kingwood, TX (US);
Assignee:
Completion Tool Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; E21B / ; F16L / ;
U.S. Cl.
CPC ...
277 346 ; 277-1 ; 166187 ; 285328 ; 2853324 ;
Abstract
An inflatable packer including a tubular mandrel, a pair of collars secured to the mandrel, and an inflatable sleeve connected between the collars about the mandrel. The exterior surface of the mandrel underlying the sleeve is roughened to increase the coefficient of friction between the mandrel and the sleeve.