RESIN COVERED FLEXIBLE PIPE - OSAKA GAS CO LTD

Title:

RESIN COVERED FLEXIBLE PIPE

Document Type and Number:

Japanese Patent JP2000352482

Kind Code:

A

Abstract:

To use a resin covered flexible pipe over a long period even in a high-temperature and high-humidity atmosphere.

This flexible pipe comprises a metallic flexible pipe 1 covered with a resin layer 2. In this case, the resin layer is formed from a resin material selected from among a polyethylene base resin blended with nylon 61, nylon 11, nylon 12, a fluororesin, and rubber; a crosslinked polyethylene base resin; soft polypropylene having an oxidation inhibitor added thereto by 3000 to 5000 ppm; and a polyethylene base resin having an oxidation inhibitor added thereto by 8000 to 10000 ppm, and including at least one kind selected from among an ethylene-vinyl-acetate copolymer, an ethylene-acrylic acid ethyl copolymer, and an ethylene-methacrylic acid methyl copolymer, or the blend of them.

Inventors:

KURATANI JUNICHI
HIGUCHI HIROSHI
YAMADA MASAHIRO

Application Number:

JP16523899A

Publication Date:

December 19, 2000

Filing Date:

June 11, 1999

Export Citation:

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Assignee:

OSAKA GAS CO LTD

International Classes:

B32B1/08; B32B15/08; B32B15/082; B32B15/085; B32B15/088; B32B25/14; B32B25/20; B32B27/18; B32B27/28; B32B27/32; C08L23/04; C08L23/08; C08L23/10; C08L23/12; C08L27/12; C08L77/02; C08L77/08; F16L11/11; F16L11/14; (IPC1-7): F16L11/11; B32B1/08; B32B15/08; B32B25/14; B32B25/20; B32B27/18; B32B27/28; B32B27/32; C08L23/04; C08L23/08; C08L23/10; C08L23/12; C08L27/12; C08L77/02; C08L77/08; F16L11/14

Attorney, Agent or Firm:

Shuichiro Kitamura (1 person outside)

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