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. 30, 1991
Filed:
Sep. 17, 1987
Arthur H Chin, Houston, TX (US);
Thomas R Schmitz, Katy, TX (US);
Cooper Industries, Inc., Houston, TX (US);
Abstract
The improved joint of the present invention includes a tubular member which is cold formed into tight gripping and sealing engagement within an internal grooved recess within a support member, such a wellhead housing. The upper end of the recess is tapered upwardly and inwardly and the upper end of the tubular member of a wedge ring mounting between the upper end of the tubular member and the tapered surface of the recess is positioned against the tapered surface of the recess so that when the cold forging step is performed the upper end of the tubular member is compressed downwardly to introduce the compression preload into the joint.