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Patent Searching and Data


Title:
DOUBLE HOSE
Document Type and Number:
WIPO Patent Application WO/2017/065276
Kind Code:
A1
Abstract:
Provided is a double hose capable of suppressing foreign matter from entering between an inner tube and an outer tube, even while ensuring flexibility, and further capable of obtaining good watertight properties in a hose connecting section. Provided is a double hose comprising an inner tube (10) made of a soft resin and an outer tube (11) made of a soft resin, wherein reinforcement cores (12) that are wound spirally and spaced in the tube axis direction are provided between the inner tube (10) and the outer tube (11), said reinforcement cores (12) are fixed to the inner tube (10) and the outer tube (11), a compression-deformable wire rod (14) is loosely arranged along a space (13) between said adjacent reinforcement cores (12, 12), and the wire rod (14) is compression-deformed by stress to be in close contact with the reinforcement cores (12), the inner tube (10), and the outer tube (11).

Inventors:
MINAMI, Kazuyuki (INC. 1-33, Mitsuya Minami 1-chome, Yodogawa-ku, Osaka-sh, Osaka 35, 〒5320035, JP)
UGA, Hirofumi (INC. 1-33, Mitsuya Minami 1-chome, Yodogawa-ku, Osaka-sh, Osaka 35, 〒5320035, JP)
Application Number:
JP2016/080541
Publication Date:
April 20, 2017
Filing Date:
October 14, 2016
Export Citation:
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Assignee:
TOTAKU INDUSTRIES, INC. (1-33, Mitsuya Minami 1-chome Yodogawa-ku, Osaka-sh, Osaka 35, 〒5320035, JP)
International Classes:
F16L11/08; F16L11/112
Foreign References:
JPH02105682U1990-08-22
JPH0393673U1991-09-25
JP2006132647A2006-05-25
JPH0386272U1991-08-30
JP2008106879A2008-05-08
JPH0526044U1993-04-06
JP2007146974A2007-06-14
Attorney, Agent or Firm:
AKIYAMA, Shigeo (Kitahama-Nagao Bld. 3F, 9-9 Kitahama 1-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
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