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:
Jun. 30, 1992
Filed:
Oct. 02, 1991
Applicant:
Inventor:
Kenneth D Young, Kingwood, TX (US);
Assignee:
Hydril Company, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
251-13 ; 2771 / ;
Abstract
There is disclosed a ram type blowout preventer whose rams have ram front packings which include seal strips of elastomeric material and top and bottom metal plates received in recesses across the front ends of the ram bodies, with the faces of the inner ends of the metal plates being slanted with respect to the vertical for sliding engagement with an oppositely slanting face of the inner end of the metal plate of an opposing ram.