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:
Feb. 18, 1997
Filed:
Jan. 24, 1996
Bruce G Parker, Katy, TX (US);
Eric G Childs, Katy, TX (US);
Cooper Cameron Corporation, Houston, TX (US);
Abstract
A ram-type blowout preventer (10) has a front packing arrangement (24) with a packer assembly (28) therein. Packer assembly (28) includes an elastomeric packer member (30) and a recess (46) defined between plates (32) and (34) adjacent elastomeric packer member (30). A replaceable wear insert (60) insertable within recess (46) has projections (74) on opposed parallel sides (66, 68) of insert (60). Projections (74) include a pair of wedge-shaped projecting portions (76, 78) which press into and deform the adjacent contacting sides (48, 50) of elastomeric packer member (30) for retaining insert (60) in position within recess (46) without any separate preformed receptacles or grooves formed in elastomeric packer member (30).