Title:
管の接続構造
Document Type and Number:
Japanese Patent JP4298357
Kind Code:
B2
Abstract:
The object is to provide a pipe connecting structure which can prevent electrical charge of a plastic coated metal pipe using a simple structure. In order to accomplish this object, beads 5a, 5b, 5c are provided to protrude from the outer surface of the end of a plastic coated metal tube 3 obtained by coating the outside of a bare metal pipe 1 with a nonconductive plastic film 2, the plastic film 2 is removed from the tip of the bead 5a to expose the circumferential surface of the bare metal pipe 1, the exposed portion is made to contact the inner surface of a conductive tube 4, thus connecting the plastic coated metal tube 3 and the conductive tube 4.
Inventors:
Kenji Hayakawa
Application Number:
JP2003103529A
Publication Date:
July 15, 2009
Filing Date:
April 08, 2003
Export Citation:
Assignee:
Sanoh Industry Co., Ltd.
International Classes:
F16L33/18; F16L13/14; F16L21/02; F16L25/00; F16L25/01; F16L33/00; F16L33/30
Domestic Patent References:
| JP11280580A |
Attorney, Agent or Firm:
Masatoshi Iwane