Title:
PIPE FITTING
Document Type and Number:
WIPO Patent Application WO/2007/015434
Kind Code:
A1
Abstract:
A pipe fitting (1) comprising a fitting (10) to which a hose (2) is joined, a flange
(20) pressingly holding the fitting (10) inserted into a through hole (21) toward
a block (3), a bolt (30) fixedly tightening the flange (20) to the block (3), a metal
seal (40) of C-shape in cross section and sealing a connected portion between
a communication passage (11) and a connection port (3a) from the outside, and
first and second O-rings (50) and (60) sealing the contacted portion of the fitting
(10) on the block (3). A projected part (24) projecting toward the block (3) more
than the other portion thereof is formed on the lower surface (23) of the flange
(20) about an insertion hole (22) for inserting the bolt (30) therein in the opposite
side area of an area where the through hole (21) is formed. The tip of the fitting
(10) inserted into the through hole (21) is projected from the lower surface (23)
of the flange (20) toward the block (3).
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Inventors:
FUJIWARA YASUSHI (JP)
MATSUKI TAKUJI (JP)
MATSUKI TAKUJI (JP)
Application Number:
PCT/JP2006/315011
Publication Date:
February 08, 2007
Filing Date:
July 28, 2006
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
FUJIWARA YASUSHI (JP)
MATSUKI TAKUJI (JP)
FUJIWARA YASUSHI (JP)
MATSUKI TAKUJI (JP)
International Classes:
F16L41/08; F16L23/024; F16L23/026; F16L23/028
Foreign References:
| JPS62177995U | 1987-11-12 | |||
| JPS59185486U | 1984-12-10 | |||
| JP2005147320A | 2005-06-09 |
Other References:
See also references of EP 1912012A4
Attorney, Agent or Firm:
MAEDA, Hitoshi (2F Tokyodo Jinboucho 3rd Bldg., 1-17, Kandajinboucho 1-chome, Chiyoda-k, Tokyo 51, JP)
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