Title:
HIGH-PRESSURE RUBBER HOSE AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2000/063601
Kind Code:
A1
Abstract:
A high-pressure rubber hose comprising an organic fiber reinforcing layer which is formed by knitting organic fiber cords in a 2-layer spiral form or 1-layer braid form and is arranged on the outer peripheral side of an inner rubber layer, and a steel wire reinforcing layer which is formed by knitting steel wires in 2-layer spiral form and is arranged on the outer peripheral side of the organic fiber reinforcing layer, a braiding angle of the organic fiber reinforcing layer being set to be smaller than that of the steel wire reinforcing layer, a braiding tension of the organic fiber reinforcing layer being set to be higher than that of the steel wire reinforcing layer. A method of producing a high-pressure rubber hose, comprising the steps of forming an unvulcanized inner rubber layer on the outer peripheral surface of a flexible mandrel, forming on the outer peripheral side thereof an organic fiber reinforcing layer formed by knitting organic fiber cords in a 2-layer spiral form or 1-layer braid form, forming, on the outer peripheral side thereof via an unvulcanized intermediate rubber layer, a steel wire reinforcing layer formed by knitting steel wires in a 2-layer spiral form, laminating an unvulcanized outer rubber layer on the outer peripheral side thereof, and then winding the flexible mandrel around a drum for vulcanizing.
Inventors:
SATOH TAKASHI (JP)
Application Number:
PCT/JP2000/002440
Publication Date:
October 26, 2000
Filing Date:
April 14, 2000
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
SATOH TAKASHI (JP)
SATOH TAKASHI (JP)
International Classes:
B29C70/00; B29C70/06; B29C70/10; B29D23/00; B32B1/08; F16L11/08; B29C53/58; (IPC1-7): F16L11/08; B32B1/08; B29C43/18; B29C43/34
Foreign References:
| JPH10185018A | 1998-07-14 | |||
| JPH10132153A | 1998-05-22 | |||
| JPH0914519A | 1997-01-17 | |||
| US5645109A | 1997-07-08 | |||
| US4384595A | 1983-05-24 | |||
| US4860798A | 1989-08-29 | |||
| JPH1019172A | 1998-01-23 | |||
| JPS57161387A | 1982-10-04 | |||
| JPS59204534A | 1984-11-19 |
Other References:
See also references of EP 1087162A4
None
None
Attorney, Agent or Firm:
Ogawa, Shin-ichi (Noguchi & Saika International Patent
Office Halifax Shiba Building 3-1, shiba-Koen 1-chome Minato-ku Tokyo, JP)
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