| 摘要 |
PROBLEM TO BE SOLVED: To closely form a joint surface in a close contact state following the surface shape and irregularities of a structure by laying a soft insulating material on an outermost layer and a heat insulating material of higher rigidity inside the soft insulating material. SOLUTION: A locally deformable soft insulating material 3 is attached to the interior surface of a structure 4 via an adhesive, so as to keep the whole surface of the material 3 in contact with the surface of the structure 4. Also, plate type heat insulating materials 3a, 2b and 2c divided into a plurality are arranged on the interior surface of the soft heat insulating material 3 via an adhesive, so as to be adjacent to one another. In this case, a material harder than the soft heat insulating material 3, but having a better function as a heat insulating material in terms of heat conductivity or the like is selected as the heat insulating material 2. Furthermore, the plate type heat insulating material 2 is attached to such an extent as partly deforming the soft heat insulating material 3, so as to come in contact therewith over entire surface. According to this construction, the composite heat insulating material 1 so formed can be laid on the surface of the structure 4, even when irregularities exist thereon.
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