Title:
PIPE JOINT
Document Type and Number:
WIPO Patent Application WO/2004/005570
Kind Code:
A1
Abstract:
Pipe joint (30) comprising pipe-shaped body (31) in which pipe (32) is inserted from the rear end side; front ring (33) and back ring (34) fitted round portion of the pipe (32) protruding from the rear end side of the body (31); and cap nut (35) for tightening the front ring (33) and back ring (34) so as to fix the pipe (32) to the body (31). The back ring (34) is constituted of an alloy comprising, on the basis of weight %, 0.001 to 0.01% of C, 5% or less of Si, 2% or less of Mn, 0.03% or less of P, 100 ppm or less of S, 50 ppm or less of O, 18 to 25% of Cr, 15 to 25% of Ni, 4.5 to 7.0% of Mo, 0.5 to 3.0% of Cu and 0.1 to 0.3% of N, the remainder composed substantially of Fe and other unavoidable impurities.
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Inventors:
MATSUHASHI RYO (JP)
SUETSUGU KAZUHIRO (JP)
MIYAGAWA HIDEYUKI (JP)
KITA TOSHIO (JP)
SOGABE KYOTA (JP)
YOSHIKAWA KAZUHIRO (JP)
MORIMOTO AKIHIRO (JP)
SATO JYUNJI (JP)
DAIDO KUNIHIKO (JP)
SHIMOMURA YOSHINORI (JP)
NAKAHAMA TAKAYASU (JP)
SUETSUGU KAZUHIRO (JP)
MIYAGAWA HIDEYUKI (JP)
KITA TOSHIO (JP)
SOGABE KYOTA (JP)
YOSHIKAWA KAZUHIRO (JP)
MORIMOTO AKIHIRO (JP)
SATO JYUNJI (JP)
DAIDO KUNIHIKO (JP)
SHIMOMURA YOSHINORI (JP)
NAKAHAMA TAKAYASU (JP)
Application Number:
PCT/JP2003/008698
Publication Date:
January 15, 2004
Filing Date:
July 09, 2003
Export Citation:
Assignee:
FUJIKIN KK (JP)
MATSUHASHI RYO (JP)
SUETSUGU KAZUHIRO (JP)
MIYAGAWA HIDEYUKI (JP)
KITA TOSHIO (JP)
SOGABE KYOTA (JP)
YOSHIKAWA KAZUHIRO (JP)
MORIMOTO AKIHIRO (JP)
SATO JYUNJI (JP)
DAIDO KUNIHIKO (JP)
SHIMOMURA YOSHINORI (JP)
NAKAHAMA TAKAYASU (JP)
MATSUHASHI RYO (JP)
SUETSUGU KAZUHIRO (JP)
MIYAGAWA HIDEYUKI (JP)
KITA TOSHIO (JP)
SOGABE KYOTA (JP)
YOSHIKAWA KAZUHIRO (JP)
MORIMOTO AKIHIRO (JP)
SATO JYUNJI (JP)
DAIDO KUNIHIKO (JP)
SHIMOMURA YOSHINORI (JP)
NAKAHAMA TAKAYASU (JP)
International Classes:
C22C38/00; C22C38/42; C22C38/44; C22C38/46; F16K25/00; F16K27/00; F16L19/02; F16L19/04; F16L19/08; (IPC1-7): C22C38/00; C22C38/58; F16L19/08
Foreign References:
| JP2002069590A | 2002-03-08 | |||
| JPH0814449A | 1996-01-16 |
Other References:
See also references of EP 1536030A4
Attorney, Agent or Firm:
Hibi, Norihiko c/o KISHIMOTO & CO. (3rd Floor Inaba Building, 13-18,
Nishishinsaibashi 1-chome, Chuo-k, Osaka-shi Osaka, JP)
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