Patents Assigned to Societe d'Exploitation de Brevets Pour l'Industrie et la Marine Sebim
  • Patent number: 4872639
    Abstract: A piloted-safety valve in which a shaft is guided in a guide sleeve in the alve body and both the shaft and the guide sleeve have collars to which ends of an extensible metal jacket are sealingly anchored. The jacket, e.g. a bellows, is in a compressed state when the valve is closed.
    Type: Grant
    Filed: August 19, 1988
    Date of Patent: October 10, 1989
    Assignee: Societe d'Exploitation de Brevets Pour l'Industrie et la Marine Sebim
    Inventor: Andre Gemignani