Title:
MULTILAYERED RESIN TUBE-SHAPED BODY
Document Type and Number:
WIPO Patent Application WO/2012/002442
Kind Code:
A1
Abstract:
Provided is an economical multilayered resin tube-shaped body that can be safely used in a high-temperature environment such as an engine compartment. A multilayered resin tube-shaped body (1) having excellent heat resistance is obtained by forming an outer layer (2) from a thermoplastic resin having a melting point of 190-300ºC and forming an inner layer (3) from a thermoplastic resin having a melting point of 150-300ºC and low liquid or gas permeability. The thermoplastic resin that forms the outer layer (2) is preferably a resin having a hoop stress of 10 MPa or greater in a 120ºC atmosphere. Furthermore, the thermoplastic resin that forms the inner layer (3) is preferably a resin having a gasoline permeability of 1.0 g/m2·day or less.
Inventors:
NAKAYAMA, Hiromi (Kounosu 758, Koga-sh, Ibaraki 41, 〒3060041, JP)
Application Number:
JP2011/064927
Publication Date:
January 05, 2012
Filing Date:
June 29, 2011
Export Citation:
Assignee:
Sanoh Industrial Co., Ltd. (2-3-6 Shibuya, Shibuya-ku Tokyo, 02, 〒1500002, JP)
三桜工業株式会社 (〒02 東京都渋谷区渋谷二丁目３番６号 Tokyo, 〒1500002, JP)
三桜工業株式会社 (〒02 東京都渋谷区渋谷二丁目３番６号 Tokyo, 〒1500002, JP)
International Classes:
B32B1/08; B32B27/00; B32B27/34; B60K15/01; F16L11/12
Attorney, Agent or Firm:
KAMEKAWA, Yoshiji (Shokei Bldg, 14-3 Ginza 7-chome,,Chuo-k, Tokyo 61, 〒1040061, JP)
Claims:
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