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    VACUUM HEAT-INSULATOR AND HEAT-INSULATING BOX USING THE INSULATOR
    6.
    发明公开
    VACUUM HEAT-INSULATOR AND HEAT-INSULATING BOX USING THE INSULATOR 失效
    真空隔热绝热容器使用这种隔离

    公开(公告)号：EP0762043A4

    公开(公告)日：1998-07-15

    申请号：EP96905003

    申请日：1996-03-06

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： TANIMOTO YASUAKI ,  MIYAJI NORIYUKI

    IPC: F16L59/065 ,  F16L59/06

    CPC classification number: F16L59/065

    Abstract: A vacuum heat-insulator and a heat-insulating box using the insulator to be used as heat-insulating materials of a refrigerator and a freezer. The insulator comprises a core material consisting of at least two kinds of powder and an absorbent. This insulator has excellent heat-insulating performance, is lightweight and is economical, while the heat-insulating box maintains heat-insulating performance for a long time.

    VACUUM HEAT INSULATING BODY
    7.
    发明专利
    VACUUM HEAT INSULATING BODY 失效

    公开(公告)号：JP2000249290A

    公开(公告)日：2000-09-12

    申请号：JP5003499

    申请日：1999-02-26

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： MIYAJI NORIYUKI ,  TANIMOTO YASUAKI

    IPC: F16L59/06

    Abstract: PROBLEM TO BE SOLVED: To easily deform a vacuum heat insulating body into a form along a volume body to be insulated by providing grooves penetrating the end parts of one face or two faces of a core material, in the vacuum heat insulating body constituted of a core material made of powder material solidified into a flat plate, and an outer covering material made of plastic laminate having aluminum. SOLUTION: In a core material 1, for example, condesed silica powder and calcium silicate powder are mixed together, to form a powder compact compressively molded into a rectangular powder molding body. A plurality of grooves 2 are provided so as to penetrate the end parts of the one face of the core material 1 in parallel. Meanwhile, this vacuum heat insulating body 3 is formed so that the core material 1 is dried in a hot air drying furnace, and after inserting it into an outer covering material 4 made of an aluminum deposited laminate film of which the three sides are heat-fused, remaining one side is heat-fused and simultaneously released in the atmosphere. Stress due to atmospheric compression is concentrated to the grooves 2 of the core material 1, and the vacuum heat insulating body 3 is easily deformed in the direction of burying the spaces formed by the grooves 2. Hereby the cylindrical vacuum heat insulating body 3 can be formed simply and quickly.

    VACUUM HEAT INSULATOR
    8.
    发明专利
    VACUUM HEAT INSULATOR 失效

    公开(公告)号：JPH08159377A

    公开(公告)日：1996-06-21

    申请号：JP29947794

    申请日：1994-12-02

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： TANIMOTO YASUAKI ,  MIYAJI NORIYUKI

    IPC: B65D81/38 ,  F16L59/06 ,  F25D23/06

    Abstract: PURPOSE: To keep the performance of a vacuum heat insulator over a long period in the vacuum heat insulator formed of a facing material, a core material and an adsorbent which is usable as a heat insulating material for refrigerator by using, as the adsorbent, a one having at least a non-evaporation type getter material. CONSTITUTION: This vacuum heat insulator 1 is manufactured by filling a core material 2 consisting of a hard urethane foam of open cell structure and a getter material 3 consisting of an alloy containing barium and lithium into a facing material 4 consisting of a metal-plastic laminated film followed by sealing under reduced pressure. The surface of the getter material 3 is preferably covered with a moisture adsorbent, and a powdery one is used as the adsorbent. Since the getter material 3 is of non-evaporation type, it need not be evaporated in vacuum atmosphere, and the handling at ordinary temperature is facilitated. Thus, it can be applied to the vacuum heat insulator 1 using plastic material as the facing material, and the heat insulating performance can be kept at high level.

    MANUFACTURE OF HEAT INSULATING ELEMENT AND HEAT INSULATING WALL
    9.
    发明专利
    MANUFACTURE OF HEAT INSULATING ELEMENT AND HEAT INSULATING WALL 失效

    公开(公告)号：JPH07293785A

    公开(公告)日：1995-11-10

    申请号：JP8827594

    申请日：1994-04-26

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： UEKADO KAZUTO ,  MIYAJI NORIYUKI

    IPC: F16L59/06 ,  F25D23/06

    Abstract: PURPOSE:To improve durability and heat insulating performance by mixing a hard urethane foam raw material of continuous foaming type with a thermal decomposition gas generating substance such as azodicarbon amid, and injection- foaming them for generation of a hard urethane foam block of continuous foam structure. CONSTITUTION:A hard urethane foam raw material with which a powder azoji carbon amid is mixed is injection-foamed to obtain a hard urethane foam block 4 of continuous foam structure. When the temperature of a foam center part has lowered sufficiently after the completion of hardening, the surface material 5 of kraft paper is removed, and the hard urethane foam block 4 is cut to a prescribed size to obtain a hard urethane foam panel 8. The hard urethane foam panel 8 is then decompressed to the thermal decomposition temperature of the azoji carbon amid to be dried. It is sheathed with metal-laminate film 3 together with an absorbing agent, and its inside is decomposed and sealed to obtain a heat insulating element.

    HEAT INSULATING ELEMENT AND HEAT INSULATING WALL
    10.
    发明专利
    HEAT INSULATING ELEMENT AND HEAT INSULATING WALL 失效

    公开(公告)号：JPH07293784A

    公开(公告)日：1995-11-10

    申请号：JP8826994

    申请日：1994-04-26

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： MIYAJI NORIYUKI ,  UEKADO KAZUTO

    IPC: F16L59/06 ,  F25D23/06

    Abstract: PURPOSE:To prevent an inner pressure from increasing by sheathing, with a housing agent, a core material consisting of hard urethane foam of continuous foaming structure, high molecular compound which has carboxyl group or hydroxyl group in a molecular structure as an absorption substance, and an absorption element including a carbon oxide absorption agent. CONSTITUTION:This heat insulating element 1 sheathes hard urethane foam 2 of continuous foam structure and an absorption element 4 with a sheathing agent 3 consisting of metallic plastic and depresses and seals its inside. In the absorption element 4, activated carbon is added as an organic gas absorption substance, silica alumina compound is added as a carbon oxide absorption substance, and organic compound which has carboxyl group or hydroxyl group as an oxygen absorption substance. The absorption element 4 is charged in a bag 5 consisting of polyproplylene unwoven paper in advance. It is thus possible to ensure long-term heat insulation for preventing inner pressure from increasing by selectively-absorbing oxygen gas which enters from the outside.

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