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. 28, 2002
Filed:
Dec. 17, 1999
Henry H. Leggett, Hallsville, TX (US);
James A. Douty, Longview, TX (US);
Tuboscope I/P, Houston, TX (US);
Abstract
Ram seal units for attachment to the rams of blowout preventers incorporate an integral ram seal block having a central web, with a parallel rectangular elastomer support plates extending from opposite sides of the integral ram seal block. The central web is perforate to permit its interlocked relation with elastomer sealing material that is molded to ram seal block. The generally rectangular elastomer support plates define outer face surfaces that remain exposed after the molding operation has been completed. These outer face surfaces of the elastomer support plates are adapted to be disposed in intimate face-to-face relation with internal wall surfaces of ram seal receptacles that are provided within BOP ram elements. Each of the rectangular elastomer support plates defines a pair of spaced retainer receptacles which receive a respective retainer element of a BOP ram to secure the ram seal units in retained relation within one of the ram seal receptacles of a BOP ram element. When so supported, the elastomer sealing material located between the generally rectangular elastomer support plates and encapsulating the central web structure of each integral ram seal block, will be presented for sealing contact with its opposed counterpart of the opposed BOP ram element and with the wireline that is present within the body of the BOP unit.