WO2007049439A1 - Refrigerateur - Google Patents

Refrigerateur Download PDF

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Publication number
WO2007049439A1
WO2007049439A1 PCT/JP2006/319861 JP2006319861W WO2007049439A1 WO 2007049439 A1 WO2007049439 A1 WO 2007049439A1 JP 2006319861 W JP2006319861 W JP 2006319861W WO 2007049439 A1 WO2007049439 A1 WO 2007049439A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
decorative
transparent
layer
refrigerator
Prior art date
Application number
PCT/JP2006/319861
Other languages
English (en)
Japanese (ja)
Inventor
Tooru Kubota
Masami Endo
Shigeo Tada
Original Assignee
Kabushiki Kaisha Toshiba
Toshiba Consumer Marketing Corporation
Toshiba Ha Products Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kabushiki Kaisha Toshiba, Toshiba Consumer Marketing Corporation, Toshiba Ha Products Co., Ltd. filed Critical Kabushiki Kaisha Toshiba
Publication of WO2007049439A1 publication Critical patent/WO2007049439A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/18—Aesthetic features

Definitions

  • the present invention relates to a refrigerator, and more particularly to a refrigerator having an improved design configuration such as a door that forms a main body outline.
  • Patent Document 1 Japanese Patent Laid-Open No. 2004-232887
  • Patent Document 2 JP 2004-278891 A
  • the present invention has been made in consideration of the above points, and various patterns, characters, and patterns can be decorated on an outer forming member such as a door, and a high-quality design structure is easy.
  • the purpose is to provide a refrigerator that can be obtained in the same way.
  • a refrigerator according to the present invention forms a box-shaped outer plate by thermoforming a laminated sheet obtained by bonding a decorative sheet to one surface of a transparent sheet made of thermoplastic resin.
  • the outer shell is formed by foaming and filling a hard heat insulating material made of polyurethane on the decorative sheet side of the outer plate.
  • patterns and characters can be freely applied to the outer shell surface via a transparent resin, so that the width of the design norelation can be greatly widened to easily obtain a high-quality refrigerator. be able to.
  • the refrigerator (1) whose front view is shown in Fig. 1, is divided into a number of storage rooms, such as a refrigerated room, a vegetable room, a freezer room and an ice making room, and the opening of each room is opened and closed.
  • a free-range open-type refrigerator compartment door (2) a drawer-type ice making door (3), a vegetable compartment door (4), and a freezer compartment door (5).
  • FIG. 2 is a cross-sectional view taken along line A—A of the refrigerator compartment door (2), one of which is a box-shaped outer plate (6) that forms the outer shell of the door, and a seal
  • the inner plate (7) on which the gasket mounting portion (8) is formed is joined, and the space on the inner surface thereof is filled with the foam insulation (9) and integrated together.
  • the outer plate (6) is provided with an outer surface sheet (10) having a transparent physical strength on the outer surface, and decorative printing printed on the film sheet (12) located in the lower layer portion.
  • the layer (11) is integrally formed so that it can be seen.
  • the outer sheet (10) is formed of a transparent acrylic resin sheet having a thickness of 1 to 3 mm
  • the film sheet (12) is It is made of a 200 ⁇ m thick polypropylene resin film, and its surface is decorated with decorative prints (11) such as patterns, patterns, or letters, and is bonded to the outer sheet (10) via a binder (13). And integrated.
  • An opaque layer (14) is provided on the film sheet (12) side of the decorative printed layer (11), and a foam insulation (9) is provided on the lower surface of the film sheet (12).
  • a binder layer (15) is provided, and the outer plate (6) is formed by vacuum forming a sheet that is formed by integrating these layers! /
  • the outer sheet (10) is acrylic resin in the above description, but is not limited to this, and any thermoplastic resin having transparency may be used.
  • polycarbonate (PC) resin, polystyrene (PS) resin, polypropylene (PP) resin may be AS resin, ABS resin, etc.
  • PC polycarbonate
  • PS polystyrene
  • PP polypropylene
  • PLA polylactic acid
  • PLA polylactic acid
  • the transparency is further improved, and the PLA resin, which is generally thermally deformed at about 60 ° C, also has a high heat resistance temperature, The effect of increasing the rigidity and facilitating vacuum forming is obtained.
  • the use of PLA resin can suppress the production amount of carbon dioxide in the natural world, so that a product with less environmental pollution can be provided.
  • the outer surface sheet (10) may be configured by using a sheet in which a transparent acrylic resin is provided on the front side and a transparent ABS resin is provided on the back side, and these are bonded together.
  • a transparent acrylic resin is provided on the front side
  • a transparent ABS resin is provided on the back side
  • This binder (13) is a known adhesive which is transparent and is applied by screen printing. It is a thermoplastic urethane resin, a vinyl acetate resin, a salt vinyl bisvinyl acetate copolymer, a thermoplastic resin. As long as it has a function of melting the heat-resistant polyester resin, polyamide resin, ionomer resin, chlorinated polyolefin, etc., and bonding the resin sheets together.
  • the coating method of the noinder (13) is carried out by generating ink containing the above-mentioned resin and using a printing method such as screen printing or gravure printing or a coating method such as a roll coater. May be.
  • the binder (13) may be a heat-curing type resin.
  • the ability to apply a two-component curing type binder by printing has the advantage of being easy to apply and dissolve in the solvent due to its low molecular weight, and then heat drying to cure the binder resin. By doing so, the melting point of the binder itself is increased, and the binder layer is not remelted by heat during vacuum forming or foaming of the urethane foam heat insulating material, thereby eliminating the problem of peeling. .
  • the design can be applied to landscape photos and paintings with only wood, stone, and tile, or gravure printing such as geometric patterns, screen printing, offset printing, and inkjet printing. Also, application by a roll coater is possible.
  • the opaque layer (14) is provided so that the foamed heat insulating material (9) below the decorative printed layer (11) is not visible from the surface side, and the upper decorative layer (11) In order to improve the color development and color reproducibility, it is usually a white and opaque printed layer.
  • the film sheet (12) is not limited to polypropylene (PP) as described above as long as it has flexibility to be freely deformed by vacuum forming, and is a resin such as PET or PC. It may be. In this example, a force of about 0.5 to 2 mm thick using a film sheet having a thickness of about 200 m may be used. Even in this case, decorative printing (11 ) Is applied to the outer sheet (10) and vacuum formed.
  • PP polypropylene
  • PC polypropylene
  • a polyolefin resin such as PP having a very low water permeability is interposed between the layer of the hard urethane foam heat insulating material (9) and the transparent outer sheet (10). Water or detergent entering from the outside through the outer sheet (10) is blocked by the film sheet (12). Therefore, it is possible to suppress deterioration and cracking caused by intruding into the heat insulating material (9) and hydrolyzing the urethane foam, and it is possible to prevent a decrease in heat insulating performance.
  • the film sheet (12) a polyolefin resin, it is possible to reduce the solvent cracks on the transparent outer sheet (10) due to the organic gas generated from the inside of the polyurethane foam. Can be improved.
  • the binder layer (15) provided between the film sheet (12) and the urethane foam heat insulating material (9) is made of thermoplastic urethane resin, vinyl acetate resin, salt, as with the above-mentioned noinder (13).
  • This binder layer (15) can be used for foam insulation (9) Is firmly adhered to the film sheet (12), so that the shape of the structure can be maintained as a heat insulating box, for example, a heat insulating door (2), and a large rigidity can be maintained.
  • the binder layer (15) in this example is roughened by a surface treatment with a flame applied to the surface of the film sheet (12), or is opaque on the side of the foam insulation (9) as described later. It can be made unnecessary by adopting a structure in which the adhesion with the urethane foam is improved by arranging the layer (14).
  • the manufacturing process which does not need to be dried can be simplified.
  • the opaque layer (14) may be formed not only by printing but also by roller coating, and may be applied to the foam insulation (9 ') side surface of the film sheet ().
  • the film sheet (12 ') is generally a polypropylene film that is difficult to adhere to the hard urethane foam that is a heat insulating material, the adhesiveness to the urethane foam is determined by the resin component contained in the opaque layer.
  • a single layer of binder (15 mm) is formed between the foam insulation (9 mm) and the heat insulation material (9 ′). ), There is no need to provide this, so that the cost can be reduced.
  • a layer (14) of white opaque ink is provided on the upper surface of a film sheet (12) made of PP resin. As described above, this may be screen printing or roller coating.
  • decorative printing (11) is performed on the upper surface of the opaque layer (14) by gravure printing or the like. It is also possible to print multiple times to achieve multiple colors.
  • a transparent binder (13) is applied to the surface of the decorative print layer.
  • the surface is temporarily covered with a protective film (16) to prevent dust adhesion and scratches until the next process, and then (e) as urethane foam when the door is formed.
  • a decorative sheet (17) is formed by laminating a binder layer (15) having basically the same specifications as the binder (13).
  • the protective film (16) of the binder (13) in the decorative sheet (17) is removed, and an outer sheet made of acrylic resin on the upper surface thereof (10) is thermocompression-bonded by a press machine (19) having a heating device (18). Pressing pressure at this time is about lOkgZcm 2, the temperature is brought into close contact is set to 0.99 ° C, pressing time 30 sec. As a result, the binder (13) is melted, and the decorative sheet (17) and the outer sheet (10) are adhered in a sealed state to form the laminated sheet (20) shown in (g).
  • the laminated sheet (20) softened by preheating is placed in a mold (21) schematically shown in (h), and the vacuum pump (22) is used as shown in (i).
  • the vacuum pump (22) is used as shown in (i).
  • the laminated sheet (20) is vacuum formed into a predetermined shape to obtain the outer plate (6) of the refrigerator door (2).
  • the method of forming the laminated sheet (20) into the outer plate (6) is not limited to the above-described vacuum forming method, and may be performed by pressure forming or press forming, which is a method for forming a sheet-shaped object. It can be obtained in the same way.
  • the outer plate (6) formed in a predetermined shape as described above is coupled to the inner plate (7) forming the inner surface side of the refrigerator compartment as shown in FIG.
  • the binder layer (15) on the inner plate (7) and outer plate (6) by injecting a raw solution of rigid urethane foam heat insulating material (9) into the interior space and foaming it, filling and solidifying it, Alternatively, it constitutes a heat insulating door (2) having a heat insulating material layer (9) firmly bonded to an opaque printed layer (14 ").
  • the force described as an example of the refrigerator compartment door of the refrigerator is not limited to this, and can be applied to other doors such as a vegetable room and an ice making room. It can be applied to the table plate and the outer plate at the top of the main body to improve the design effect and form a high-quality outer surface.
  • the present invention can be used for a refrigerator having an improved design structure of the outer shell such as a door.
  • FIG. 1 is an external front view of a refrigerator showing an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view taken along line AA of the refrigerator compartment door of FIG.
  • FIG. 3 is a cross-sectional view showing a laminated state of the door outer plates in FIG.
  • FIG. 4 is a cross-sectional view of another embodiment of the door skin shown in FIG.
  • FIG. 5 is a cross-sectional view of still another embodiment of the door skin shown in FIG.
  • FIG. 6 is a process diagram showing a manufacturing process of the door outer plate shown in FIG. 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un réfrigérateur dans lequel un élément de formation d’enveloppe, telle une porte, peut être décoré avec divers motifs, caractères ou designs et auquel on peut facilement conférer une composition design en vogue. Le réfrigérateur se caractérise en ce qu’il possède une enveloppe principale obtenue en moulant par voie thermique une feuille stratifiée (20) comprenant une feuille transparente (10) en résine thermoplastique et une feuille décorative (17) fixée sur l’un de ses côtés afin de former une plaque externe en forme de boîte (6) et en remplissant un espace se trouvant sur le côte de la feuille décorative de la plaque externe en emballant un isolant thermique rigide (9) en polyuréthane dans l’espace et en le transformant en mousse.
PCT/JP2006/319861 2005-10-25 2006-10-04 Refrigerateur WO2007049439A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-310515 2005-10-25
JP2005310515A JP2007120795A (ja) 2005-10-25 2005-10-25 冷蔵庫

Publications (1)

Publication Number Publication Date
WO2007049439A1 true WO2007049439A1 (fr) 2007-05-03

Family

ID=37967557

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/319861 WO2007049439A1 (fr) 2005-10-25 2006-10-04 Refrigerateur

Country Status (3)

Country Link
JP (1) JP2007120795A (fr)
TW (1) TW200726950A (fr)
WO (1) WO2007049439A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012065913A3 (fr) * 2010-11-17 2013-02-21 BSH Bosch und Siemens Hausgeräte GmbH Porte d'appareil de froid
CN103453721A (zh) * 2012-06-01 2013-12-18 Lg电子株式会社 冰箱门及其制造方法、装饰面板和真空模制装置
JP2015111034A (ja) * 2013-11-11 2015-06-18 パナソニックＩｐマネジメント株式会社 家電機器およびこれに用いる装飾外装材
JP2016090193A (ja) * 2014-11-10 2016-05-23 パナソニックＩｐマネジメント株式会社 家電機器およびこれに用いる装飾外装板
JP2016211787A (ja) * 2015-05-11 2016-12-15 パナソニックＩｐマネジメント株式会社 家電機器およびこれに用いる装飾外装材
JP2019090565A (ja) * 2017-11-14 2019-06-13 有限会社河村 家電製品化粧シート貼付方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9243836B2 (en) 2012-01-06 2016-01-26 Lg Hausys, Ltd. Heat insulation door for a refrigerator having 3 dimensional shapes
JP6200942B2 (ja) * 2013-09-05 2017-09-20 アクア株式会社 冷蔵庫の扉体
JP2015052428A (ja) * 2013-09-09 2015-03-19 日立アプライアンス株式会社 冷蔵庫
JP6653988B2 (ja) * 2014-08-06 2020-02-26 リケンテクノス株式会社 正面パネル構成用多層樹脂シート
JP6435522B2 (ja) * 2017-05-24 2018-12-12 パナソニックＩｐマネジメント株式会社 冷蔵庫
JP2018112399A (ja) * 2018-04-11 2018-07-19 パナソニックＩｐマネジメント株式会社 冷蔵庫
CN111174520B (zh) * 2018-11-09 2023-03-31 多美达瑞典有限公司 一种制冷设备的箱门
DE102019133687A1 (de) * 2019-10-04 2021-04-08 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05288458A (ja) * 1992-04-06 1993-11-02 Matsushita Refrig Co Ltd 冷蔵庫の扉体
JP2004232887A (ja) * 2003-01-28 2004-08-19 Matsushita Electric Ind Co Ltd 冷蔵庫

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0341271Y2 (fr) * 1986-12-25 1991-08-29

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05288458A (ja) * 1992-04-06 1993-11-02 Matsushita Refrig Co Ltd 冷蔵庫の扉体
JP2004232887A (ja) * 2003-01-28 2004-08-19 Matsushita Electric Ind Co Ltd 冷蔵庫

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012065913A3 (fr) * 2010-11-17 2013-02-21 BSH Bosch und Siemens Hausgeräte GmbH Porte d'appareil de froid
CN103453721A (zh) * 2012-06-01 2013-12-18 Lg电子株式会社 冰箱门及其制造方法、装饰面板和真空模制装置
US9181747B2 (en) 2012-06-01 2015-11-10 Lg Electronics Inc. Door for home appliance and method for manufacturing the same
EP2669611A3 (fr) * 2012-06-01 2016-01-13 Lg Electronics Inc. Porte de réfrigérateur et son procédé de fabrication
CN103453721B (zh) * 2012-06-01 2016-06-22 Lg电子株式会社 冰箱门及其制造方法、装饰面板和真空模制装置
JP2015111034A (ja) * 2013-11-11 2015-06-18 パナソニックＩｐマネジメント株式会社 家電機器およびこれに用いる装飾外装材
JP2016090193A (ja) * 2014-11-10 2016-05-23 パナソニックＩｐマネジメント株式会社 家電機器およびこれに用いる装飾外装板
JP2016211787A (ja) * 2015-05-11 2016-12-15 パナソニックＩｐマネジメント株式会社 家電機器およびこれに用いる装飾外装材
JP2019090565A (ja) * 2017-11-14 2019-06-13 有限会社河村 家電製品化粧シート貼付方法

Also Published As

Publication number Publication date
JP2007120795A (ja) 2007-05-17
TW200726950A (en) 2007-07-16

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