Title:
TUBE CONNECTION STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2004/090407
Kind Code:
A1
Abstract:
A tube connection structure capable of preventing a resin coated metal tube from being charged with a simple structure, wherein beads (5a, 5b, 5c) are projectedly provided on the end part outer peripheral surface of the resin coated metal tube (3) formed by coating the outer periphery of a metal material tube (1) with nonconductive resin film (2), the resin film (2) at the tip part of the bead (5a) is removed to expose the peripheral surface of the metal material tube (1), and the resin coated metal tube (3) is connected to a conductive tube (4) with the exposed part allowed to abut on the inner surface of the conductive tube (4).
Inventors:
HAYAKAWA SHOJI (JP)
Application Number:
PCT/JP2003/016890
Publication Date:
October 21, 2004
Filing Date:
December 26, 2003
Export Citation:
Assignee:
SANOH IND CO LTD (JP)
HAYAKAWA SHOJI (JP)
HAYAKAWA SHOJI (JP)
International Classes:
F16L13/14; F16L33/18; F16L25/01; F16L33/00; F16L33/30; (IPC1-7): F16L33/00
Foreign References:
| JPH11280580A | 1999-10-12 | |||
| JP2003206818A | 2003-07-25 | |||
| JP2001041388A | 2001-02-13 | |||
| JP2003254185A | 2003-09-10 |
Other References:
See also references of EP 1612466A4
Attorney, Agent or Firm:
Iwane, Masatoshi (1-1 Kanda-awajich, Chiyoda-ku Tokyo, JP)
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