| 摘要 |
PROBLEM TO BE SOLVED: To provide a bottom part corner part heat insulation construction method for a low temperature tank capable of sufficiently ensuring shock-absorbing performance and constructing a corner part heat insulation layer with sufficient finishing while attaining enhancement of construction efficiency, reduction of construction cost and improvement of working environment by simplification of construction, and reduction and diversion of material. SOLUTION: The die member 13 for the corner comprising an oblique plate part 14 bending-worked to a circular shape and both side plate parts 15 fixed to both ends in its longitudinal direction and having a urethane raw liquid pouring port 6 on one part and retained with a glass mesh 17 is set onto a corner part 8 formed by an outer surface 2a of a load support part 2 and an upper surface 1a of a basic board 1 at a bottom part of the low temperature tank of inside and outside double structure, and a hard urethane raw liquid is poured from the pouring port 6 of the set die member 13 for the corner to a corner part space and is foamed. Thereby, the shock-absorbing heat insulation layer 12 in which the glass mesh 17 and PUF 20 are integrally molded is formed, and thereafter, the die member 13 for the corner is removed. COPYRIGHT: (C)2009,JPO&INPIT
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