Title:
PIPE JOINT, CONNECTION STRUCTURE FOR PIPES, AND AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/029958
Kind Code:
A1
Abstract:
A pipe joint (1) is provided with: a joint body (10) having formed therein an insertion hole (11) into which pipes (2) are inserted; and stoppers (30) arranged within the insertion hole (11). The stoppers (30) are each provided with: an annular section (31) surrounding the outer peripheral surface (2A) of an inserted pipe (2); and a protrusion (32) protruding radially inward of the annular section (31) from the inner peripheral surface (31B) of the annular section (31). The protrusions (32) are configured to be elastically or plastically deformable, and have front ends protruding into the insertion space of the insertion hole (11), the insertion space being that into which the pipes (2) are inserted.
Inventors:
KAJINO FUMINORI
MARUYAMA NORIFUMI
MURAKAMI HARUHIKO
YOSHII SHIGEO
NAKATA HARUO
MARUYAMA NORIFUMI
MURAKAMI HARUHIKO
YOSHII SHIGEO
NAKATA HARUO
Application Number:
PCT/JP2016/072125
Publication Date:
February 23, 2017
Filing Date:
July 28, 2016
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
O K KIZAI CO LTD (JP)
O K KIZAI CO LTD (JP)
International Classes:
F16L19/08; F16L37/12; F16L21/08
Domestic Patent References:
| WO2013047303A1 | 2013-04-04 | |||
| WO2015089592A1 | 2015-06-25 |
Foreign References:
| JP2011185337A | 2011-09-22 | |||
| JP2003074779A | 2003-03-12 | |||
| KR20130039379A | 2013-04-22 | |||
| JP2002295433A | 2002-10-09 | |||
| EP0064315A2 | 1982-11-10 |
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
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