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.

Date of Patent:
Apr. 28, 2015

Filed:

Jun. 26, 2012
Applicant:

Ming Yu Huang, Kingwood, TX (US);

Inventor:

Ming Yu Huang, Kingwood, TX (US);

Assignee:

Hydril USA Manufacturing LLC, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/06 (2006.01); E21B 33/1295 (2006.01); B29K 21/00 (2006.01); B29K 105/06 (2006.01);
U.S. Cl.
CPC ...
E21B 33/06 (2013.01); B29K 2021/00 (2013.01); B29K 2105/06 (2013.01);
Abstract

A packer unit for an annular blowout preventer including an annular elastomer body including an elastomer having a unidirectional grain and a quantity of fiber longitudinally aligned with the grain of the elastomer. A method of forming a packing unit for a blowout preventer including forming a fiber reinforced elastomer by aligning fibers with a grain of an elastomer; cutting a portion from the fiber reinforced elastomer in the direction of the grain; loading the cut portion in a packing unit mold such that the grain of the fiber reinforced elastomer of the cut portion is parallel to a packing unit axis; and heating the loaded packing unit mold.


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