Title:
INDUSTRIAL HOSE
Document Type and Number:
WIPO Patent Application WO/2023/120213
Kind Code:
A1
Abstract:
Provided is an industrial hose in which high adhesion can be exhibited between a reinforcing wire layer and a rubber layer without impairing the physical properties of the rubber layer and without using any adhesive. The industrial hose comprises: an inner rubber layer 1 and an outer rubber layer 3, at least one of which is a layer made of a vulcanizate obtained from a diene-based rubber composition comprising the following (A) to (C) components and containing the (B) component in an amount of 5-30 parts by mass per 100 parts by mass of the (A) component; and a reinforcing wire layer 2 which comprises wire including copper. (A) A diene-based rubber. (B) Calcium carbonate having a BET specific surface area of 4.8 m2/g or greater. (C) Sulfur.
Inventors:
NOZUE AYAMI (JP)
NAKAICHI SHINGO (JP)
KAWAI KOICHIRO (JP)
KOTERA TAKAYOSHI (JP)
NAKAICHI SHINGO (JP)
KAWAI KOICHIRO (JP)
KOTERA TAKAYOSHI (JP)
Application Number:
PCT/JP2022/045307
Publication Date:
June 29, 2023
Filing Date:
December 08, 2022
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD (JP)
SUMITOMO RIKO HOSETEX LTD (JP)
SUMITOMO RIKO HOSETEX LTD (JP)
International Classes:
C08L9/02; B32B1/08; B32B15/08; C08K3/06; C08K3/26; C08K3/36; F16L11/08
Domestic Patent References:
| WO2014175186A1 | 2014-10-30 | |||
| WO2017013803A1 | 2017-01-26 | |||
| WO2020261867A1 | 2020-12-30 |
Foreign References:
| JP2018119111A | 2018-08-02 | |||
| JP2012051978A | 2012-03-15 |
Attorney, Agent or Firm:
SAITOH Yukihiko et al. (JP)
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