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:
Jul. 23, 2019
Filed:
Dec. 30, 2014
Halliburton Energy Services, Inc., Houston, TX (US);
James H. Cobb, Cypress, TX (US);
HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US);
Abstract
A resilient backup ring is shaped for insertion with a sealing ring into an annular groove in at least one of two close fitting members in order to limit extrusion of the sealing ring. The backup ring is split by a cut permitting the backup ring to be contracted in diameter for seating of the backup ring in the annular groove. The cut defines respective shapes in two ends of the backup ring that engage each other for latching the backup ring in a contracted diameter configuration. At least one of the two ends has a cavity for receiving a tool for applying force to move the two ends apart and unlatch the backup ring from the contracted diameter configuration and expand the diameter of the backup ring for removal of the sealing ring from the annular groove.