Title:
HOSE
Document Type and Number:
WIPO Patent Application WO/2005/080848
Kind Code:
A1
Abstract:
A hose having both excellent flexibility and shape retainability and advantageous in construction efficiency and cost efficiency. The hose comprises hard synthetic resin reinforcement materials (2) spirally fed and having, on both sides of the top part (2D) thereof in the tube axial direction, receiving surfaces (2a) and (2b) positioned on the radial inner side toward the end part thereof and a soft synthetic resin hose body for covering the spirally fed reinforcement materials (2). The reinforcement materials (2) are spirally fed in the state of the top parts being positioned on the radial outer side thereof, a soft synthetic resin tape material (3) is fed to the fed reinforcement materials (2), and while covering parts (3A) projected in a generally arc shape to the center of the hose are formed between the reinforcement materials (2) and (2), the tape material is fixed to the surfaces of the reinforcement materials (2) by melting the tape material or with an adhesive agent. Thus, the hose body having a generally flat inner surface and formed in a generally circular shape in cross section can be provided.
Inventors:
KANAO SHIGEKI (JP)
Application Number:
PCT/JP2004/017569
Publication Date:
September 01, 2005
Filing Date:
November 26, 2004
Export Citation:
Assignee:
KANAFLEX CORP INC (JP)
KANAO SHIGEKI (JP)
KANAO SHIGEKI (JP)
International Classes:
B29D23/00; F16L11/10; F16L11/115; F24F13/02; (IPC1-7): F16L11/10
Foreign References:
US3047026A | 1962-07-31 | |||
JPH11280959A | 1999-10-15 | |||
JP2001004075A | 2001-01-09 | |||
JPH08296888A | 1996-11-12 |
Other References:
See also references of EP 1719939A4
Attorney, Agent or Firm:
Yanagino, Takao (15-5 Miyahara 1-chome, Yodogawa-k, Osaka-shi Osaka 03, JP)
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