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Title:
TUBE JOINT
Document Type and Number:
WIPO Patent Application WO/2012/105525
Kind Code:
A1
Abstract:
A tube joint that simplifies construction work, enabling the work to be performed quickly, and that reduces costs and is able to improve the reliability in terms of the product quality. A ring (40) is press-fitted into one end (12) of a tube (11) in advance, thus maintaining the diameter of the one end (12) in an expanded state. When the inner tube part (22) of a joint main body (20) is inserted into this ring (40) and the one end (12) is press-fitted into the deepest part of a recessed groove (21), an outer tube part (23) covers the ring (40) as far as the thickest part (41). In this state, a cap nut (30) is screwed onto the joint main body (20), and the thickest part (41) of the ring (40), together with the one end (12), is compressed against the inner tube part (22) via the outer tube part (23), and the rim (34a) of the insertion hole (34) of the cap nut (30) is pressed against a bent part (12c) of the tube (11) by the ring (40).

Inventors:
SEKINO, Yohei (1-16 Nakamachidai 2-chome, Tsuzuki-ku, Yokohama-sh, Kanagawa 41, 〒2240041, JP)
Application Number:
JP2012/052057
Publication Date:
August 09, 2012
Filing Date:
January 31, 2012
Export Citation:
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Assignee:
FLOWELL CORPORATION (1-16, Nakamachidai 2-chome Tsuzuki-ku, Yokohama-sh, Kanagawa 41, 〒2240041, JP)
株式会社フロウエル (〒41 神奈川県横浜市都筑区仲町台2丁目1番16号 Kanagawa, 〒2240041, JP)
International Classes:
F16L33/22; F16L19/04
Foreign References:
JPH10318475A1998-12-04
JPH10252968A1998-09-22
JPH10299964A1998-11-13
JPH0614674U1994-02-25
JPH0341899U1991-04-22
Attorney, Agent or Firm:
SUZUKI, Hideaki (Kiyoken Bldg, YOKOHAMA-JUST 12-6, Takashima 2-chome, Nishi-ku, Yokohama-sh, Kanagawa 11, 〒2200011, JP)
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Claims:



 
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