发明名称 WELL HEAD METAL SEAL
摘要 A metal well head seal for sealing between inner and outer concentric well head components which includes a circular metal seal having a flat end and a tapered end and positioned between the inner and outer components. A forcing cone on one of the components engages the tapered end for sealing, a backup shoulder engages the flat end as the inner and outer components are longitudinally moved together for setting the metal seal. An adjusting nut adjusts the tolerances between the tapered end and the forcing cone.
申请公布号 CA2076260(C) 申请公布日期 1994.09.13
申请号 CA19922076260 申请日期 1992.08.17
申请人 FIP INC. 发明人 PUTCH, SAMUEL W.;SARVER, JACK K.;PIERCE, JOHN W.
分类号 E21B33/00;E21B33/03;E21B33/04;(IPC1-7):E21B33/038 主分类号 E21B33/00
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