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    DOOR DEVICE FOR FREEZING REFRIGERATOR
    1.
    发明专利
    DOOR DEVICE FOR FREEZING REFRIGERATOR 失效

    公开(公告)号：JPH04174282A

    公开(公告)日：1992-06-22

    申请号：JP30083790

    申请日：1990-11-05

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： YAMAMOTO HARUYOSHI ,  TSUDA KENJI ,  KITAGAWA HIROAKI

    IPC: F25D23/02

    Abstract: PURPOSE:To prevent the frosting of the fore surface of a guide unit as well as the freezing of the abutting part of the same unit and guarantee the smooth opening and closing of a door by a method wherein the fore surface of the guide unit and the abutting part between a partitioning body and the guide unit are constituted so as to be heated by a heat generating body accommodated in the guide unit. CONSTITUTION:When a door 6A is closed, a partitioning body 15 enters the inside 13 of a refrigerator, a column 16A is abutted against the semi-circular groove 17 of the partitioning body 15, then, the column 16A is advanced further while being abutted against the groove 17, the partitioning body 15 is turned counterclockwise and the gaskets 12 of the doors 6A, 6B are contacted closely with the fore surface of the partitioning body 15 and the fore surface 16B of a guide unit 16 under the condition that the door 6A is closed. In this case, the fore surface 16B of the guide unit 16 and the abutting part between the column 16A projected from the guide unit 16 and the semicircular groove 17 of the partitioning body 15 are heated by a heat generating body 18 accommodated in the guide unit 16. According to this method, the frosting of the fore surface 16B of the guide unit and the freezing of the abutting part between the column 16A of the guide unit and the groove 17 of the partitioning body can be prevented.

    REFRIGERATOR DOOR
    2.
    发明专利
    REFRIGERATOR DOOR 失效

    公开(公告)号：JPH0473580A

    公开(公告)日：1992-03-09

    申请号：JP18344790

    申请日：1990-07-10

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： NAKADA JUNICHI ,  TSUDA KENJI ,  YAMAMOTO HARUYOSHI

    IPC: F25D23/02 ,  F25D23/08

    Abstract: PURPOSE:To provide a door with little increase in weight thereof without losing clearance by simultaneously laminating and fixing a plurality of transparent plastic plates in a tightly closed space between transparent glass plates inside and outside the door through a laminating/fixing plate. CONSTITUTION:Transparent glass plates 1 are disposed on the inside and outside of a door, and a transparent plastic plate 2 comprises a material such as acryl, polycarbonate, stylene, and ABS, etc. A plurality of the transparent plastic plates 2 are spaced away between the transparent glass plates 1 inside and outside the door. A laminate fixing frame 3 laminates and fixes via an interval adjusting spacer 4 the plurality of the end edges of the transparent glass 1 and the transparent plastic plates 2 both being plate-shaped structures. A tightly closed space 5 is a space between the transparent glass plate 1 and the transparent plastic plate 2 and serves as a heat insulating layer. The transparent plastic plate 2 has a specific gravity of 1.0-1.4, and the transparent glass plate 1 2.2-3.7, whereby the door can be made light-weight.

    DOOR DEVICE FOR FREEZER REFRIGERATOR
    8.
    发明专利
    DOOR DEVICE FOR FREEZER REFRIGERATOR 失效

    公开(公告)号：JPH04184067A

    公开(公告)日：1992-07-01

    申请号：JP30746190

    申请日：1990-11-13

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： TSUDA KENJI ,  KITAGAWA HIROAKI ,  YAMAMOTO HARUYOSHI

    IPC: F25D21/12 ,  F25D23/02

    Abstract: PURPOSE:To prevent freezing of water and the occurrence of bedewing at the front of a guide part by providing a partition body entering a chamber and rotated along with closing operation of a first door, and a heat conduction body making contact with a part of the inner surface side of a guide part and a part of a radiation pipe for preventing sweating located on the inner side of the edge part of an opening and transmitting the heat of the radiation pipe to the guide part. CONSTITUTION:A heat conduction body 23 is located so as to make contact with a radiation pipe 15 and an inner surface 8B of a guide part, and the heat conduction part 23 performs a role to transfer the heat of the radiation pipe 15 to a guide part 8. Thereby, an upper part surface 8D and a front part surface 8C are heated. Since the guide part 8 is heated by the heat of the radiation pipe 15 through the heat conduction body 23, even when temperature in a chamber is low (0 deg.C or less), water 24 entering a gap between the guide part 8 and a molded product 10 forming a partition body 9 and having a semicircular groove is prevented from freezing, and dewing is prevented from occurring to a surface 8C, on the outside of a chamber, of the guide part.

    REFRIGERATOR DOOR BODY
    9.
    发明专利
    REFRIGERATOR DOOR BODY 失效

    公开(公告)号：JPH0436577A

    公开(公告)日：1992-02-06

    申请号：JP14007690

    申请日：1990-05-31

    Applicant: MATSUSHITA REFRIGERATION

    Inventor： NAKADA JUNICHI ,  TSUDA KENJI ,  YAMAMOTO HARUYOSHI

    IPC: F25D23/02 ,  F25D23/08

    Abstract: PURPOSE:To make it possible to prevent the penetration of dew drops on a transparent window and an outer board for a long time by forming a span adjustment spacer with soft plastics mixed with an absorbent on a door body and further installing a penetration hole to be communicated with a transparent glass sheet to a fixing frame, and compounding an absorbent into a foamed urethane insulation material. CONSTITUTION:Absorbents 10 are compounded and dispersed into a foamed urethane insulation material 8 by 1 to 20 wt.%. The absorbents include synthetic zeolite having a strong absorption with water, activated charcoal, and CaCl2 and the like. At the same time, a soft plastic material mixed with the absorbents 10 is used to form a span adjustment spacer 3 while a large number of through holes 2a are bored on a fixing frame 2. A transparent glass sheet 1, an outer periphery of the span adjustment space 3 and the insulation material 8 are communicated with each other while an opening section 6a of an inner sheet 6 is fitted into a mounting groove 2b formed in the fixing frame 2. In the door body as specified above, the moisture which tries to penetrate an enclose space 4 is absorbed by the absorbents 10 in the spacer 3. Then, the absorbent 10 dispersed in the insulation material 8 prevents the penetration of the moisture into the enclosed space 4. It is, therefore, possible to prevent the generation of dew drops in the enclosed space 4 and the outside board 5 as well.

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