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:
Mar. 22, 2005
Filed:
Mar. 24, 2003
Dwight D. Janoff, Missouri City, TX (US);
John C. Vicic, Spring, TX (US);
Gregory L. Glidden, Spring, TX (US);
Neil C. Crawford, Spring, TX (US);
Dwight D. Janoff, Missouri City, TX (US);
John C. Vicic, Spring, TX (US);
Gregory L. Glidden, Spring, TX (US);
Neil C. Crawford, Spring, TX (US);
FMC Technologies, Inc., Chicago, IL (US);
Abstract
A metal-to-metal sealing element for a wellhead assembly which includes at least first and second adjacent components and first and second generally annular sealing surfaces that are each formed on a corresponding one of the components. The sealing element comprises an annular base, an annular sealing lip which projects radially toward at least one of the first and second sealing surfaces and which comprises a seal retaining groove, a soft metal sealing insert which is disposed within the seal retaining groove and which in use engages the at least one sealing surface, and an annular intermediate portion which extends between the base and the sealing lip. The intermediate portion presses the sealing insert against the at least one sealing surface in an interference fit relationship.