Protective cover for a thermoresponsive tube

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United States of America Patent

PATENT NO 4188979
SERIAL NO

05941634

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Thermoshrinkable or thermoexpansive tubes for corrosion prevention or lining of piping are disclosed which have their inner and/or outer walls covered with at least one protective cover to keep them clean from dust, dirt, water or any other foreign matter which might interfere with adhesion to the pipe connection, thus causing corrosion or poor lining.

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Patent Owner(s)

  • NITTO ELECTRIC INDUSTRIAL CO., LTD.;OSAKA GASU KABUSHIKI KAISHA (OSAKA GAS COMPANY LTD.)

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Komura, Minoru Ibaraki, JP 5 53
Moriyama, Yasuhiro Ibaraki, JP 12 231
Nakamura, Syuichi Osaka, JP 5 76
Ogawa, Satoshi Osaka, JP 192 1828
Ueno, Tomihisa Ibaraki, JP 2 29

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