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Title:
PIPE REINFORCING STRUCTURE AND PIPE REINFORCING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/042577
Kind Code:
A1
Abstract:
This reinforcing structure for reinforcing a pipe through which high temperature and high pressure steam flows, comprises: a first reinforcing member including a first curved plate part which is curved so as to face the outer circumferential surface of the pipe and including a first flange part which protrudes outward in the radial direction of the pipe from an end, in the circumferential direction, of the first curved plate part; a second reinforcing member including a second curved plate part which is curved so as to face the outer circumferential surface of the pipe and which is disposed to be adjacent, in the circumferential direction of the pipe, with the first curved plate part, and including a second flange part which protrudes outward in the radial direction of the pipe from an end, in the circumferential direction, of the second curved plate part and which is opposed to the first flange part; a fixation member for fixing the first flange part and the second flange part which are opposed to each other when the first reinforcing member and the second reinforcing member are placed on the outer circumferential surface of the pipe; and a foamed metal layer which is provided between the first reinforcing member and the pipe and between the second reinforcing member and the pipe and which is compressed and deformed in the radial direction of the pipe when the first flange part and the second flange part are fixed to each other.

Inventors:
NISHIDA, Hidetaka (INC. 4-33, Komachi, Naka-ku, Hiroshima-sh, Hiroshima 01, 〒7308701, JP)
MATSUMURA, Hideo (INC. 4-33, Komachi, Naka-ku, Hiroshima-sh, Hiroshima 01, 〒7308701, JP)
MORISHITA, Keiji (INC. 4-33, Komachi, Naka-ku, Hiroshima-sh, Hiroshima 01, 〒7308701, JP)
KATAOKA, Toshiaki (INC. 4-33, Komachi, Naka-ku, Hiroshima-sh, Hiroshima 01, 〒7308701, JP)
Application Number:
JP2016/075567
Publication Date:
March 08, 2018
Filing Date:
August 31, 2016
Export Citation:
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Assignee:
THE CHUGOKU ELECTRIC POWER CO., INC. (4-33, Komachi Naka-ku, Hiroshima-sh, Hiroshima 01, 〒7308701, JP)
International Classes:
F16L57/00; F22B37/10
Foreign References:
JP2014005862A2014-01-16
JP5579943B12014-08-27
JPS4894216U1973-11-10
KR20120126273A2012-11-21
JPS5164917U1976-05-21
JPH03255297A1991-11-14
JPH0496612U1992-08-21
JP2014114882A2014-06-26
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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