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    HEAT-INSULATING BOX BODY
    2.
    发明专利
    HEAT-INSULATING BOX BODY 失效

    公开(公告)号：JPH0198881A

    公开(公告)日：1989-04-17

    申请号：JP25657587

    申请日：1987-10-12

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： SASAKI TAKAO ,  KOTORII TOSHIO ,  OKADA TERUO

    IPC: F25D23/06 ,  F25D23/08

    Abstract: PURPOSE: To prevent an inner box from bulging at a thin wall part thereof by a method wherein a heat insulated box is comprised of an inner box, an outer box and foam heat insulating material filled between both boxes and adsorptive substances are arranged within the inner box. CONSTITUTION: Blocks 14 of active carbon are arranged at thin wall portions 13 such as corners 12 of an inner box 11 of a heat insulating box 1, the inner box 11 is assembled into an outer box 3 and then foam heat insulating material 6 is filled in a hermetically sealed space 4. Blocks 14 of the active carbon 14 having an adsorptive action are arranged in advance at the inner box 2 of the heat insulating box 1 to prevent the thin wall portion of the inner box 2 from being deformed because fluorocarbon gas 5 is adsorbed by the active carbon 14 even if a cooling operation is stopped, if a temperature within the heat insulating box is increased by a temperature of the surrounding atmosphere, if the fluorocarbon gas 5 in the foam heat insulating material is expanded, and if the fluorocarbon gas 5 enters a clearance 7 between the inner box 2 and the foam heat insulating material 6.

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