Eversion nozzle, and a method for repairing an underground tubular conduit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5520484
SERIAL NO

08383125

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Abstract

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An eversion nozzle used in the operation of repairing an underground tubular conduit by lining the inner wall of the tubular conduit with an everted tubular liner bag impregnated with a hardenable liquid resin: the inventive eversion nozzle is a hollow straight cylinder and its length L and inner diameter D hold: D/5

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Patent Owner(s)

Patent OwnerAddress
YOKOSHIMA & COMPANY175-3 OOAZA-SHINOYAMA ISHIGE-CHO YUKI-GUN IBARAKI-KEN JAPAN
GET INC1431 OOAZA-TOMITA IWAI-SHI IBARAKI-KEN JAPAN
SHONAN GOSEI - JUSHI SEISAKUSHO K K31-27 DAIKEN-CHO HIRATSUKA-SHI KANAGAWA-KEN JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Endoh, Shigeru Ibaraki, JP 35 717
Kamiyama, Takao Hiratsuka, JP 114 1310
Yokoshima, Yasuhiro Ibaraki, JP 50 900

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