TUBE INFRASTRUCTURE WITH VACUUM PRESSURE - KOREA RAILROAD RES INSTITUTE

Title:

TUBE INFRASTRUCTURE WITH VACUUM PRESSURE

Document Type and Number:

WIPO Patent Application WO/2019/031725

Kind Code:

A1

Abstract:

A tube infrastructure of the present invention comprises: a first tube; a second tube coupled to the first tube; and a fluid tank disposed to surround a coupling area of the first tube and the second tube, and filled with a fluid therein so as to provide a sealed state to the coupling area, wherein vacuum pressure is maintained in the inside of the first tube and the second tube.

Inventors:

CHOE JAE HEON (KR)
LEE KWAN SUP (KR)
CHOI SU YONG (KR)
LEE CHANG YOUNG (KR)
LIM JUNG YOUL (KR)
LEE JIN HO (KR)
JANG YONG JUN (KR)
JO JEONG MIN (KR)
OK MIN HWAN (KR)
KIM JAE HOON (KR)

Application Number:

PCT/KR2018/008160

Publication Date:

February 14, 2019

Filing Date:

July 19, 2018

Export Citation:

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Assignee:

KOREA RAILROAD RES INSTITUTE (KR)

International Classes:

B61B13/10; F16J15/00; G01M3/02

Foreign References:

US20160230350A1	2016-08-11
US4041718A	1977-08-16
JP2005042328A	2005-02-17
JP2016191638A	2016-11-10
JP2000240810A	2000-09-08
KR101130807B1	2012-03-28

Other References: