Title:
建屋貫通部のシール構造、該シール構造を備えた建屋、及び該建屋を備えた発電プラント
Document Type and Number:
Japanese Patent JP6896829
Kind Code:
B2
Abstract:
To easily replace thermal expansion members.SOLUTION: A seal structure of a building penetration part comprises: an arrangement member 102 inserted into a through hole 111 formed in a wall 101 of a building; a fireproof seal material 103 that closes a space between the through hole 111 and the arrangement member 102; a fireproof member 122 having a concave part 131 opened on the wall part 101 side, and provided so as to cover the fireproof seal material 103; and a thermal expansion refractory material 124 provided in the concave part 131 and expanded by heat. The refractory member 122 is a divided structure comprising a first fireproof member 132a and a second fireproof member 132b, and has a void capable of supplying the thermal expansion refractory material 124 to the concave part 131 with the second fireproof member 132b separated from the first fireproof member 132a.SELECTED DRAWING: Figure 3
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Inventors:
High Katsumi Ki
Muroya case
Nagase Ryuichi
Hiroshi Shimizu
Yoshihisa Fujiwara
Yasuhiro Tsumura
Yousuke Matsubashi
Tomokazu Iwata
Muroya case
Nagase Ryuichi
Hiroshi Shimizu
Yoshihisa Fujiwara
Yasuhiro Tsumura
Yousuke Matsubashi
Tomokazu Iwata
Application Number:
JP2019204038A
Publication Date:
June 30, 2021
Filing Date:
November 11, 2019
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
F16L5/04; A62C3/16; E04B1/94; E04H5/02; F16L5/10; H02G3/22
Domestic Patent References:
| JP2015057560A | ||||
| JP2008215625A | ||||
| JP2014108202A |
Foreign References:
| GB2216220A | ||||
| US5103609 |
Attorney, Agent or Firm:
Noriharu Fujita
Miori Takao
Kawakami Miki
Daisuke Nagata
Miori Takao
Kawakami Miki
Daisuke Nagata