Title:
HEAT-RESISTANT SEALING DEVICE
Document Type and Number:
Japanese Patent JPS5821064
Kind Code:
A
Abstract:
An improved heat resistant seal assembly for sealing across an annular recess between the interior of a wellhead member and the exterior of a tubular member including a heat resistant seal ring in the recess, a pressure responsive ring for moving the seal ring into sealing position in the recess, latching means to retain the pressure responsive ring in set position and spring means between the seal ring and the pressure responsive ring to maintain a sealing force on the seal ring.
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Inventors:
DEEBITSUDO JII KUROI
RII EMU HORINGUSUWAASU
REONAADO II UIRIAMUSU JIYUNIAA
RICHIYAADO DEII JIYORII
MAAKU SHII TEITO
RII EMU HORINGUSUWAASU
REONAADO II UIRIAMUSU JIYUNIAA
RICHIYAADO DEII JIYORII
MAAKU SHII TEITO
Application Number:
JP11761782A
Publication Date:
February 07, 1983
Filing Date:
July 06, 1982
Export Citation:
Assignee:
CAMERON IRON WORKS INC
International Classes:
F16J15/10; E21B33/03; E21B33/04; F16J15/02; F16L15/04; F16L17/00; E21B33/00; (IPC1-7): F16J15/06
Attorney, Agent or Firm:
Kyozo Yuasa