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Patent Searching and Data


Title:
JOINT
Document Type and Number:
WIPO Patent Application WO/2019/058591
Kind Code:
A1
Abstract:
Provided is a low-cost joint with which a reduction in the heat insulation effect of a transverse drain pipe can be prevented. This joint (1) is for connecting a hose (3) that is connected to a drain pipe of an air conditioner (22) and a tubular pipe (23) that guides drainage discharged from the air conditioner to the outdoors and has a heat-insulating material (28) exposed only at an end surface (23b) of the tubular pipe (23), and comprises a drain passage (1a) for supplying drainage introduced into the hose to the tubular pipe, a tubular first connection part (2) for connecting the hose and provided at one end of the drain passage, and a second connection part (4) for connecting the tubular pipe and provided at the other end of the drain passage. The second connection part is provided with a groove portion (4c) for accommodating the end surface of the tubular pipe and the entire inner circumferential surface and outer circumferential surface in the vicinity of the end surface. The groove portion of the second connecting part is formed by an inside tubular portion (4a) and an outside tubular portion (4b). The inside tubular portion (4a) may be provided with protrusions (4h-4j) at the outer circumferential surface that protrude in a direction perpendicular to the outer circumferential surface along the entire outer circumferential surface.

Inventors:
AKIYAMA Hitoshi (36-12-902 Nakakasai 5-chom, Edogawa-ku Tokyo 83, 〒1340083, JP)
Application Number:
JP2018/008244
Publication Date:
March 28, 2019
Filing Date:
March 05, 2018
Export Citation:
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Assignee:
YUGEN KAISHA AKIYAMA (18-11-12, Yachiyodainishi 8-chome Yachiyo-shi, Chiba 34, 〒2760034, JP)
International Classes:
F16L33/01; F16L33/24; F24F1/02; F24F13/22
Domestic Patent References:
WO2007066604A12007-06-14
Foreign References:
JP2015068448A2015-04-13
EP0152723A11985-08-28
JP2017145971A2017-08-24
JP2017146083A2017-08-24
US20160377317A12016-12-29
JPH09303649A1997-11-28
JP2009543005A2009-12-03
DE10126429A12002-12-05
EP1855043A12007-11-14
Attorney, Agent or Firm:
NAKAI Jun (4F J-sankusu First Bldg, 1-8 Iwamoto-cho 3-chom, Chiyoda-ku Tokyo 32, 〒1010032, JP)
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