Duct repairing material, repairing structure, and repairing method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6796334
APP PUB NO 20030116210A1
SERIAL NO

10258991

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a conduit repairing material, repairing structure, and repairing method thereof, and particularly provides a repairing method for an existing conduit characterized by comprising using a plurality of reinforcing members capable of being carried in the existing conduit, assembling said reinforcing members into a hollow skeleton-like reinforcing body extending substantially along the inner surface of the existing conduit, attaching a plurality of inner face bars to the inside of the reinforcing body to assemble them into a tubular form along the lengthwise direction of the conduit, and injecting a curable infilling into the gap between the inner face bars and the inner surface of the existing conduit.

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First Claim

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Patent Owner(s)

  • ASHIMORI ENGINEERING CO., LTD.;ASHIMORI INDUSTRY CO., LTD.;ASHIMORI INDUSTY CO., LTD. (50% INTEREST)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishikawa, Masatoshi Osaka, JP 104 1706
Makimoto, Futoshi Hyogo, JP 3 78
Saito, Hitoshi Osaka, JP 279 2920

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