PIPE CONNECTION DEVICE

WIPO Patent Application WO/2017/003023

A1

The present invention relates to a pipe connection device capable of easily and stably connecting pipes and completely preventing fluid leakage. The pipe connection device according to the present invention is coupled to a pipe so as to move fluid or is for coupling a pipe to another pipe, and comprises: a main body having an insertion hole into which a pipe is inserted; a fastening member inserted into the insertion hole, and having a first through hole provided in the center portion thereof and into which the pipe is inserted; and a cap nut coupled to the insertion hole of the main body and having a second through hole into which the pipe is inserted, wherein the main body has a tapered portion formed on the inner circumferential surface of the insertion hole and having an inner diameter monotonically decreasing from the inlet side of the insertion hole in the inward direction, the fastening member has a slant surface, which is provided to the outer circumferential surface thereof and has an outer diameter gradually increasing from one end to the other end, and a stepped portion, which is formed on the other end, the slant surface has two or more cut grooves formed along the longitudinal direction thereof, and the cap nut is formed to press the fastening member in the inward direction of the insertion hole when coupled to the main body.

LIM CHAE GAP (KR)

PCT/KR2015/009756

January 05, 2017

September 16, 2015

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LIM CHAE GAP (KR)

F16L37/08; F16L17/02; F16L19/065; F16L37/092

KR101281743B1	2013-07-04
KR20150003143A	2015-01-08
US20050077723A1	2005-04-14
JP2010060113A	2010-03-18
KR20150026660A	2015-03-11

HONG, Sung Hoon (KR)

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