JOINT FOR FLEXIBLE TUBE - JFE PIPE FITTING MFG CO LTD

Title:

JOINT FOR FLEXIBLE TUBE

Document Type and Number:

WIPO Patent Application WO/2010/018809

Kind Code:

A1

Abstract:

Provided is a joint for a flexible tube, which does not have a tendency to allow leakage of fluid therefrom. The joint body (20) of the joint (10) for a flexible tube comprises an insertion hole (40), a first storage section (42), a seal member diameter-reducing guide section (48), and a second storage section (44). A seal member (22) comprises a body section (60a) and a single annular section (60c). The body section (60a) is pushed deeply into the second storage section (44) by the end of the flexible tube (300) stored in the joint body (20). The single annular section (60c) is drawn into the second storage section (44) when the body section (60a) is pushed deeply into the second storage section (44). When the single annular section (60c) is drawn into the second storage section (44), the single annular section is engaged with the root section (312) of the flexible tube (300) by the seal member diameter-reducing guide section (48). After the single annular section is drawn into the second storage section (44), the single annular section seals the gap between the inner periphery of the second storage section (44) and the outer periphery of the flexible tube (300).

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Inventors:

KISHIMOTO YUJI (JP)
HIGASHINO TAKETOSHI (JP)
KIMURA ATSUSHI (JP)
UEDA YOSUKE (JP)

Application Number:

PCT/JP2009/064127

Publication Date:

February 18, 2010

Filing Date:

August 10, 2009

Export Citation:

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Assignee:

JFE PIPE FITTING MFG CO LTD (JP)
KISHIMOTO YUJI (JP)
HIGASHINO TAKETOSHI (JP)
KIMURA ATSUSHI (JP)
UEDA YOSUKE (JP)

International Classes:

F16L33/00; F16L33/26; F16L33/28

Foreign References:

JPH07110087A	1995-04-25
JP2002048280A	2002-02-15
JPH0393682U	1991-09-25

Attorney, Agent or Firm:

SUZUE Shoji (JP)
Shoji Suzue (JP)

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