Title:
HOSE FOR TRANSPORTATION OF REFRIGERANT
Document Type and Number:
WIPO Patent Application WO/2012/046523
Kind Code:
A1
Abstract:
The purpose is to provide a hose for transporting a refrigerant, which has excellent acid resistance, does not undergo cracking, and has excellent interlayer adhesion properties. The hose for transporting a refrigerant comprises a tubular inner layer (1) that contacts with a fluorine-containing refrigerant, an intermediate layer (2) which is formed on the outer peripheral surface of the inner layer (1), and at least one rubber layer (3, 5) which is formed on the outer periphery of the intermediate layer (2), wherein the inner layer (1) comprises an inner layer material mainly composed of a polypropylene modified with maleic anhydride and the intermediate layer (2) comprises an intermediate layer material mainly composed of a polyamide resin.
Inventors:
OYAIZU NAOKI (JP)
KATAYAMA KAZUTAKA (JP)
TAGUCHI TAKEHIKO (JP)
MORI HIROYOSHI (JP)
DAIKAI EIICHI (JP)
WAKAZONO YUKINORI (JP)
KATAYAMA KAZUTAKA (JP)
TAGUCHI TAKEHIKO (JP)
MORI HIROYOSHI (JP)
DAIKAI EIICHI (JP)
WAKAZONO YUKINORI (JP)
Application Number:
PCT/JP2011/069506
Publication Date:
April 12, 2012
Filing Date:
August 30, 2011
Export Citation:
Assignee:
TOKAI RUBBER IND LTD (JP)
OYAIZU NAOKI (JP)
KATAYAMA KAZUTAKA (JP)
TAGUCHI TAKEHIKO (JP)
MORI HIROYOSHI (JP)
DAIKAI EIICHI (JP)
WAKAZONO YUKINORI (JP)
OYAIZU NAOKI (JP)
KATAYAMA KAZUTAKA (JP)
TAGUCHI TAKEHIKO (JP)
MORI HIROYOSHI (JP)
DAIKAI EIICHI (JP)
WAKAZONO YUKINORI (JP)
International Classes:
F16L11/08; B32B1/08; B32B25/10
Foreign References:
| JP2001050434A | 2001-02-23 | |||
| JP2008507436A | 2008-03-13 |
Attorney, Agent or Firm:
SAITOH Yukihiko (JP)
Masahiko Nishifuji (JP)
Masahiko Nishifuji (JP)
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Claims: