Title:
HOSE FOR FLUID TRANSPORTATION
Document Type and Number:
WIPO Patent Application WO/2023/062879
Kind Code:
A1
Abstract:
The present invention provides a hose for fluid transportation that is flexible and is excellent in kink resistance. This hose for fluid transportation is provided with an inner layer, a reinforcing layer, and an outer layer and is characterized in that: the inner layer includes an (A) layer, which comprises a thermoplastic resin composition ax comprising a thermoplastic resin ar-containing matrix am and a rubber ae- containing domain ad, a (B) layer, which comprises a thermoplastic resin composition bx comprising a matrix bm containing a thermoplastic resin b or br and a rubber be- containing domain bd, and a (C) layer, which comprises a rubber composition cx; the (A) layer is the innermost layer, the (B) layer is arranged on the outside of the (A) layer, and the (C) layer is arranged on the outside of the (B) layer; the ratio of 10% modulus M10 (AB) and 100% modulus M100 (AB) of a laminate containing the (A) layer and the (B) layer is above 0.5 and below 1.2; and the 100% modulus of the (C) layer < the 100% modulus of the (A) layer < the 100% modulus of the (B) layer is satisfied.
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Inventors:
MOMOSE AI (JP)
SATO SHUN (JP)
SATO AYA (JP)
YONAHA TOMOHIRO (JP)
SATO SHUN (JP)
SATO AYA (JP)
YONAHA TOMOHIRO (JP)
Application Number:
PCT/JP2022/024606
Publication Date:
April 20, 2023
Filing Date:
June 20, 2022
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
F16L11/08; B32B1/08; B32B25/08
Foreign References:
| JP2021120584A | 2021-08-19 | |||
| JPH04145284A | 1992-05-19 | |||
| JP2012092959A | 2012-05-17 | |||
| JP2015520264A | 2015-07-16 | |||
| JP2020139051A | 2020-09-03 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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