FIREPROOF DOUBLE TUBE JOINT

PROBLEM TO BE SOLVED: To provide a fireproof double tube joint capable of preventing a tube diameter of a socket from being enlarged, and capable of exhibiting enhanced fireproofness, water-tightness and earthquake resistance. SOLUTION: This fireproof double tube joint 1 is constituted by an inner t...

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Bibliographische Detailangaben
1. Verfasser: HARIGAYA RYUICHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a fireproof double tube joint capable of preventing a tube diameter of a socket from being enlarged, and capable of exhibiting enhanced fireproofness, water-tightness and earthquake resistance. SOLUTION: This fireproof double tube joint 1 is constituted by an inner tube 2 having the socket 3; a water stop ring 4 arranged on a surface of the socket 3; a cap 5 covering from an upper surface to an outer peripheral surface of the water stop ring 4, and an inner tube outer peripheral surface of the socket 3; and an outer tube 6 covering an outer peripheral surface of the cap 5 and an outer peripheral surface of the inner tube 2 extending to it. COPYRIGHT: (C)2007,JPO&INPIT