E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/50
E21B 33/06 (2006.01) E21B 29/08 (2006.01)
Patent
CA 1222944
BLOWOUT PREVENTER, SHEAR RAM, SHEAR BLADE AND SEAL THEREFOR Abstract of the Disclosure Opposed rams are sealably and reciprocally mounted in a body with opposed shear blades projecting from one end of each ram for movement toward each other to sever an elongated object extending between the rams and blades. A seal is provided on each blade and configured to sealingly receive therein the exposed portion of the opposed blade after the object has been severed, and each ram is provided with a cut out portion to receive the adjacent severed end of the elongated object to inhibit crushing thereof.
499686
Riches Mckenzie & Herbert Llp
Van Winkle Denzal W.
LandOfFree
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