MANUFACTURING METHOD OF CAP, MULTIPLE LAYER STRUCTURE PANEL, REFRIGERATING CONTAINER, AND MULTIPLE LAYERED PANEL

摘要

PROBLEM TO BE SOLVED: To prevent leakage of an intermediate material disposed across panels and reduce labor required for closing gaps.

SOLUTION: In a multiple-layered panel, the intermediate material in a fluid state or a state solidified from the fluid state is disposed across the pair of panels. The multiple-layered panel has a female screw member 30 fitted in a through-hole 16a formed in an outer panel 16 and also has a cap 40 fitted on the female screw member 30. The cap 40 has a closed-bottomed hollow cylindrical body part 41 for closing the screw hole of the female screw member (30) and fitted in a close contact manner to the outer peripheral surface of the female screw member 30. The cap 40 also has a panel close contact part 42 supported by the body part 41 and adapted so that at least a part of the close contact part can be in close contact with the outer panel 16.

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