Jacket seal

This invention relates in general to jacket seals, and in particularly to seals (gaskets) suitably used with pipes or containers which are internally evacuated of air. In order to achieve constantly stable, high seal performance without requiring high machining accuracy, and in order to provide a re...

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Bibliographic Details
Main Authors Azuma, Yoshio, Mitsui, Takayoshi, Kariya, Takahiro
Format Patent
LanguageEnglish
Published 19.03.2002
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Summary:This invention relates in general to jacket seals, and in particularly to seals (gaskets) suitably used with pipes or containers which are internally evacuated of air. In order to achieve constantly stable, high seal performance without requiring high machining accuracy, and in order to provide a reusable jacket seal, the present invention discloses a jacket seal, wherein a projection is formed at a position of a metal jacket in opposite relationship with a seal surface of a member being sealed, a flat portion is formed in an elastic member within the metal jacket so as to be brought into surface-to-surface contact with a flange portion interior surface, and the vertex portion of the projection is formed flat.