Title:
MULTI-LAYERED TUBE
Document Type and Number:
Japanese Patent JP2004169851
Kind Code:
A
Abstract:
To provide a multi-layered tube for obtaining considerably low permeability performance which cannot be obtained with a known multi-layered tube.
In the multi-layered tube having a multi-layered structure consisting of a plurality of resin layers formed of thermoplastic resin, at least two low permeable resin layers out of the plurality of resin layers are provided, and each of them is formed of resin materials of different low permeability.
Inventors:
SATO MASAOMI
Application Number:
JP2002338173A
Publication Date:
June 17, 2004
Filing Date:
November 21, 2002
Export Citation:
Assignee:
SANOH IND CO LTD
International Classes:
B32B1/08; B32B7/02; F16L11/04; F16L11/127; (IPC1-7): F16L11/04; B32B1/08; F16L11/127
Attorney, Agent or Firm:
Kenji Yoshitake
Hiroyuki Nagai
Junpei Okada
Satoshi Nazuka
Hideyuki Mori
Hirohito Katsunuma
Hiroyuki Nagai
Junpei Okada
Satoshi Nazuka
Hideyuki Mori
Hirohito Katsunuma