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:
May. 15, 1990
Filed:
Dec. 16, 1988
Edward J Szymczak, Spring, TX (US);
Arthur H Chin, Houston, TX (US);
Cameron Iron Works U.S.A., Inc., Houston, TX (US);
Abstract
An improved tubular joint including an inner tubular member, an outer tubular member having a central bore therethrough, a counterbore extending from the open end of the counterbore and terminating in a shoulder between the counterbore and the central bore, and internal threads on the outer end of the counterbore, a sleeve positioned within the counterbore, a retainer ring threaded into the counterbore threads and retaining the sleeve within the counterbore, ribs on the interior of the sleeve and a seal between the exterior of the sleeve and the interior of the counterbore so that pressure forming of the inner tubular member forms it into tight gripping and sealing engagement with the sleeve and the sleeve is sealed within the outer tubular member to form a completed improved tubular joint.