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Patent Searching and Data


Title:
TUBE FOR DRINK AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH07299881
Kind Code:
A
Abstract:

PURPOSE: To provide a tube for drink in which nasty smell of the outside is prevented from infiltrating by winding a tapelike metallic foil in a coil shape on the outer circumferential face of the tube and forming a cylindrical metallic film and forming a cylindrical protective layer in the full length of the tube on the outer circumferential face of the cylindrical metallic film.

CONSTITUTION: A desired synthetic resin such as polyethylene and polyvinyl chloride is molded into a cylindrical shape by extrusion and a flexible tube 1 is formed. A cylindrical metallic film 2 is formed by winding a tapelike metallic foil 2a in a coil shape on the outer circumferential face of the tube 1 in the full length of the tube. A desired tube A for drink is obtained by using flexible molding material consisting of a synthetic resin or rubber and forming a cylindrical protective layer 3 in the full length of the tube on the outer circumferential face of the cylindrical metallic film 2. The metallic foil of a desired kind such as an aluminum foil and a gold foil is used as the metallic foil 2a for forming the cylindrical metallic film 2.


Inventors:
NATSUME MITSUHIRO
Application Number:
JP11591094A
Publication Date:
November 14, 1995
Filing Date:
May 02, 1994
Export Citation:
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Assignee:
HAKKO CO
International Classes:
B31C3/00; B29D23/00; B32B1/08; B32B15/08; F16L11/08; (IPC1-7): B32B1/08; B29D23/00; B31C3/00; B32B15/08; F16L11/08
Attorney, Agent or Firm:
Kazuo Kitamura