PIPE FITTING - ASAHI ORGANIC CHEM IND

Title:

PIPE FITTING

Document Type and Number:

WIPO Patent Application WO/2009/054534

Kind Code:

A1

Abstract:

A pipe fitting which holds a cap nut and the fitting body under a state where a clamping ring is not pushed by the tapered inner surface to shrink the diameter before a pipe is inserted, and prevents the clamping ring from impeding insertion of the pipe when the pipe is inserted, and prevents leakage of fluid without damaging the pipe being inserted. The pipe fitting comprises a fitting body (13) having a male screw portion (19) and a shoulder portion (14) formed continuously at the end, a cap nut (5) having a female screw portion (18) to which the male screw portion is screwed, a C-shaped locking ring (2) arranged such that its outer circumferential surface abuts against a tapered inner surface (6) formed on the fitting body or at the through opening of the cap nut, wherein a removable spacer (1) is arranged while being held between the shoulder portion of the fitting body and the cap nut.

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Inventors:

TSUDA HIROYUKI (JP)
TAKADA TAMOTSU (JP)

Application Number:

PCT/JP2008/069583

Publication Date:

April 30, 2009

Filing Date:

October 22, 2008

Export Citation:

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Assignee:

ASAHI ORGANIC CHEM IND (JP)
HIGASHIO MECH CO LTD (JP)
TSUDA HIROYUKI (JP)
TAKADA TAMOTSU (JP)

International Classes:

F16L19/06; F16L19/08; F16L21/08

Foreign References:

JP2002122277A	2002-04-26
JPS62195765U	1987-12-12
JP2000055260A	2000-02-22
JPH10132170A	1998-05-22
JP2005113960A	2005-04-28
JPH10185036A	1998-07-14
JPH0728288U	1995-05-23
JP2000240874A	2000-09-08

Other References: