JPH08247632A - Refrigerator - Google Patents

Refrigerator

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Publication number
JPH08247632A
JPH08247632A JP4942995A JP4942995A JPH08247632A JP H08247632 A JPH08247632 A JP H08247632A JP 4942995 A JP4942995 A JP 4942995A JP 4942995 A JP4942995 A JP 4942995A JP H08247632 A JPH08247632 A JP H08247632A
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JP
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Patent type
Prior art keywords
insulating material
heat insulating
refrigerator
vacuum heat
box
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Legal status (The legal status 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 status listed.)
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JP4942995A
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Japanese (ja)
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JP3811963B2 (en )
Inventor
Kuninari Araki
Tomoaki Takeda
朋秋 竹田
邦成 荒木
Original Assignee
Hitachi Ltd
株式会社日立製作所
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Abstract

PURPOSE: To improve the serviceability of a vacuum heat-insulating material that is used as an heat-insulating material for a refrigerator. CONSTITUTION: A refrigerator uses a foaming-in-place heat-insulating material 6 between an outer box 4 and an inner box 5 and between a door outer box 7 and a door inner panel 8. Vacuum heat-insulating materials 12 are arranged at places where the vacuum heat-insulating materials 12 do not come in to close contact with the foaming heat-insulating material 6. Thereby, the vacuum heat-insulating materials 12 can be easily replaced when an abnormal state of the vacuum heat-insulating materials 12 is found, and do not interfere with the flow of the foaming-in-place heat-insulating material 6.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、現場発泡の断熱材を外箱と内箱間、及び扉外箱と扉内板間に使用した冷蔵庫に関するもので、特に真空断熱材を上記発泡断熱材と併用して使用する冷蔵庫に関するものである。 The present invention relates to a foam-in-place insulation between the outer box and the inner box, and relates refrigerator using the door outer box and the door in the plates, in particular the foam insulation of the vacuum thermal insulating material the present invention relates to a refrigerator to be used in conjunction with.

【0002】 [0002]

【従来の技術】この種真空断熱材を用いた冷蔵庫の例としては、図11に示す如きものがある。 BACKGROUND ART As refrigerators example using this type vacuum heat insulating material are those as shown in FIG. 11. 図に於いて、2 In FIG, 2
1は冷蔵庫本体、この本体21は箱体22、扉体23、 1 refrigerator body, the body 21 is box 22, door 23,
それに冷凍サイクル24等より構成されている。 And it is configured from the refrigeration cycle 24 or the like in it. そして、上記箱体22は外箱25、内箱26、現場発泡の断熱材27等より構成されている。 Then, the box body 22 is composed of the outer box 25, inner box 26, the heat insulating material 27 of the foam-in-place or the like. 28は上記発泡断熱材27内に配設された、真空断熱材(尚、この真空断熱材28は通常コア材を両面樹脂でコーティングされた10 28 the disposed foam insulation 27, the vacuum heat insulating material (Note that the vacuum heat insulating material 28 is coated a conventional core material in both the resin 10
μm程度のアルミのフィルムで包み、内部を10~ 2 〜1 wrapped in a film of μm order of aluminum, 10 internal ~ 2-1
0~ 4 toor位まで真空引きし、その真空度を保っているもの)である。 Evacuated to 0 ~ 4 toor position, it is a thing) that retain a degree of vacuum.

【0003】従って、この真空断熱材28は、先の発泡断熱材27と一体化されているものである。 [0003] Thus, the vacuum heat insulating material 28 is one that is integrated with the previous foam insulation 27. 又、現場発泡の断熱材27より、真空断熱材28の断熱特性は2倍以上良いので、その分、この外箱と内箱間の断熱厚さは薄く出来る。 Further, from the heat insulating material 27 of the foam-in-place, since the heat insulating property of the vacuum heat insulating material 28 is good or twice, correspondingly, insulation thickness between the outer box and the inner box can thin. 真空断熱材は以上のように壁厚を薄くする手段として一般的に用いられているものである。 Vacuum heat insulating material is one which is generally used as a means to thin the wall thickness as described above.

【0004】 [0004]

【発明が解決しようとする課題】真空断熱材を現場発泡の断熱材と密着して使用するタイプの冷蔵庫にあっては次に記載するような問題点があった。 It had INVENTION Problems to be Solved by vacuum thermal insulator problems In the refrigerator of the type that the adhesion to use a heat insulating material described next is the site foaming.

【0005】(1)真空断熱材自体の寿命劣下で断熱効果がなくなってしまった場合、他の機器(冷凍サイクル、電気品)に異常がなくともその真空断熱材を組み込んだ冷蔵庫は補修がきかず廃棄処分となる。 [0005] (1) If you've run out of thermal insulation effect under life deterioration of the vacuum insulation material itself, other equipment (refrigeration cycle, electrical goods) even if there is no abnormality in the refrigerator incorporating the vacuum insulation repair is come Ka not a waste disposal.

【0006】(2)真空断熱材を冷蔵庫の運搬途中に損傷させた場合、前(1)項同様、補修がきかず廃棄処分となる。 [0006] (2) When the vacuum heat insulating material was damaged in the middle of the refrigerator of transportation, before (1) of this section Similarly, the repair is disposal not listen.

【0007】(3)冷蔵庫の組立時に真空断熱材を損傷させ、それを知らずに組み込んでしまった時も前(1) [0007] (3) When the refrigerator of the assembly to damage the vacuum heat insulating material, even before when it had incorporated without knowing it (1)
項と同じ扱いであった。 It was treated like a term.

【0008】(4)真空断熱材が現場発泡の断熱材の流れを阻害する為に均一なフォームが形成出来ない。 [0008] (4) a uniform form can not be formed for the vacuum heat insulating material to inhibit the flow of heat-insulating material of foamed-in-place.

【0009】 [0009]

【課題を解決するための手段】本発明は、上記課題を解決すべくなされたものである。 Means for Solving the Problems The present invention has been made to solve the above problems. その具体的手段としては、現場発泡の断熱材を外箱と内箱間及び扉外板と扉内板間に使用した冷蔵庫に於いて、上記発泡断熱材と密着しない所に真空断熱材を配設するようにしたものである。 As a specific means, the insulation foamed-in-place at the refrigerator used between an outer box and an inner box and door skins and doors in plates, distribution of the vacuum heat insulating material where no close contact with the foam insulation in which it was to be set. 具体的には、外箱、若しくは内箱を発泡断熱材側に凹ませた所に真空断熱材を設け、上記真空断熱材と発泡断熱材を分離し、サービス性を向上すると共に、真空断熱材が発泡断熱材充填時の流れ阻害とならないようにしたものである。 Specifically, the outer box, or a vacuum heat insulating material provided the inner box in place by recessing the foam insulation side, with separating the vacuum heat insulating material and a foam insulating material, to improve the serviceability, the vacuum heat insulating material There is obtained so as not a flow impedance during foam insulation filling. 更には、扉内板若しくは扉外板を断熱材側に凹ませた所に真空断熱材を設けることにより、上記と同じ効果を得るようにしたものである。 Furthermore, by providing the vacuum heat insulating material in the place where by recessing the door inner plate or door skin to the heat insulating material side, is obtained so as to obtain the same effect as described above.

【0010】又、更には、部屋間を熱的に区割する仕切壁内の断熱材として真空断熱材を用いることにより断熱壁厚を大巾に薄くし、冷蔵庫としての内容積の拡大を図ると共に、サービス対応が出来るようにしたものである。 [0010] Also, further, between room thinning the insulation wall thickness by a large margin by using a vacuum heat insulating material as a heat insulating material in the partition wall for sectioning thermally, promote the expansion of the inner volume of the refrigerator along with the one in which was to service correspondence can be.

【0011】又、更には、温度調節器(ダンパーサーモを含む)を包む断熱材の一部として、真空断熱材を利用することにより前項と同様の効果を得るようにしたものである。 [0011] Also, even as part of a heat insulating material surrounding the temperature controller (including a damper Thermo), in which to obtain the same effect as the previous section by utilizing the vacuum heat insulating material.

【0012】 [0012]

【作用】現場発泡の断熱材を外箱と内箱間及び扉外板と扉内板間に使用した冷蔵庫に於いて、上記発泡断熱材と密着しない所(内箱、外箱、扉内板、扉外板を凹ませた所)に真空断熱材を配設しているので、何か上記真空断熱材に異常があったときには、従来の如く冷蔵庫本体を廃棄するのではなく、表面の覆い板等を外し、異常のあった真空断熱材を異常のない新しい真空断熱材に交換することが容易に出来るものである。 [Action] In the refrigerator using a heat insulating material of foamed-in-place between an outer box and an inner box and the door outer panel and the door in the plates, the place which does not contact with the foam insulation (inner box, an outer box, door inner plate since the arranged the vacuum heat insulating material in the place where by recessing the door skin), something when there is abnormality in the vacuum heat insulating material, instead of discarding the refrigerator body as in the conventional, the surface covering of the Remove the plate or the like, it is easily what to replace the vacuum heat insulating material for which the abnormality in the abnormality without new vacuum heat insulating material. その上、本発明の真空断熱材は先にも記載した如く、現象発泡の断熱材が充填される内箱と外箱間、或いは扉外板と扉内板間に配設されていないことにより、これ自体が上記発泡断熱材のフォーム形成時の抵抗になることがない。 Furthermore, the vacuum heat insulator of the present invention as described previously, between the box and the outer box insulation phenomenon foam is filled, or by not disposed on the door outer panel and the door in the plates This does not become resistance at the time of foaming of the foam insulation itself. 勿論、内箱或いは外箱が断熱材側に凹する為、この分、フォーム形成時の抵抗にはなるが、真空断熱材と比較すると、表面の形状がもともと滑らかである為、フォーム形成時の障害となる割合は、少ないものである。 Of course, since the inner box or outer box is concave to the heat insulating material side, this amount, becomes the resistance at the time of foaming, when compared with the vacuum heat insulating material, for the shape of the surface is originally smooth, during foam formation ratio to form an obstacle is one less.

【0013】 [0013]

【実施例】本発明の詳細を図に示す一実施例で説明する。 The details of the embodiments of the present invention will be described in an embodiment shown in FIG.

【0014】図1は、本発明を備えた冷蔵庫箱体の縦断面図。 [0014] Figure 1 is a longitudinal sectional view of a refrigerator box body provided with a present invention.

【0015】図2は、図1のA部拡大説明図。 [0015] Figure 2, A portion enlarged explanatory view of Figure 1.

【0016】図3は、図1のB部拡大説明図。 [0016] Figure 3, B portion enlarged explanatory view of Figure 1.

【0017】図4は、真空断熱材の内箱凹部への取付構造を示す図。 [0017] FIG. 4 is a diagram showing a structure for mounting the inner box recess of the vacuum heat insulating material.

【0018】図5は、図1のC部拡大説明図。 [0018] Figure 5, C portion enlarged explanatory view of Figure 1.

【0019】図6は、図1のD部拡大説明図。 [0019] Figure 6, D portion enlarged explanatory view of Figure 1.

【0020】図7は、図1のE部拡大説明図。 [0020] FIG. 7, E part enlarged explanatory view of FIG. 1.

【0021】図8は、図1のF部拡大説明図。 [0021] Figure 8, F portion enlarged explanatory view of Figure 1.

【0022】図9は、図1のG部拡大説明図。 [0022] Figure 9, G portion enlarged explanatory view of Figure 1.

【0023】図10は、図1のH部拡大説明図。 [0023] Figure 10, H enlarged illustration of FIG.

【0024】先ず、図1に於いて、1は冷蔵庫本体、2 [0024] First, in FIG. 1, 1 refrigerator body, 2
は箱体、3は扉体である。 The box, 3 is a door body. しかして上記箱体2は外箱4、内箱5、現場発泡の断熱材6等により構成されている。 Thus the box body 2 is constituted by an outer box 4, the inner box 5, the heat insulating material 6 such as of foam-in-place.

【0025】又、上記扉体3は、扉外板7と扉内板8、 [0025] In addition, the door body 3, door skins 7 and the door in the plate 8,
それに発泡断熱材6等により構成されている。 It is composed of foam insulation 6 and the like to it. 9は冷蔵室10と野菜室11間を熱的に区割する仕切壁、12は真空断熱材(この真空断熱材12は従来例で説明した真空断熱材と同じ構成を有するものである。)次に、上記真空断熱材の冷蔵庫本体1への取付けについて図2〜図10をもって説明する。 9 the partition wall for sectioning between refrigerator compartment 10 and the vegetable compartment 11 thermally, 12 vacuum heat insulating material (the vacuum heat insulating material 12 is one having the same structure as the vacuum heat insulating material described in the conventional example.) Next, a description with a FIGS 10 for attachment to the refrigerator body 1 of the vacuum heat insulating material.

【0026】図2に示すものは、冷凍サイクルを構成する圧縮機13に対向する内箱部を凹ませ、ここに真空断熱材12を使用し、この部分からの野菜室11への熱侵入を最少限にしようとした例である。 The one shown in Figure 2, Hekomase a box portion in facing the compressor 13 constituting the refrigerating cycle, wherein the use of a vacuum heat insulating material 12, the heat penetration into the vegetable compartment 11 from this portion it is an example of trying to minimize. こうすることにより、壁厚を厚くしないで、熱遮断が効率良く行なえるものである。 Thereby, without increasing the wall thickness, heat rejection is of efficiently performed.

【0027】図3に示すものは、冷気循環用ファンモータ14対向部に真空断熱材12を設けた例である。 The one shown in FIG. 3 is an example in which the vacuum heat insulating material 12 to the cold air circulating fan motor 14 facing portion. この部分は上記モータ14を取付ける為に内箱を凹ませる。 This part recessing the inner box in order to install the motor 14.
この為図にも示す如く、この部分の断熱壁厚は他と比較すると薄くなってしまう。 Therefore, as shown in FIG, adiabatic wall thickness of this portion becomes thinner compared to other. 従って、発泡断熱材6の性能であった場合、十分な熱遮断が出来にくい。 Therefore, if a performance of foam insulation 6, hardly can sufficient heat rejection. 本発明に於いては、外箱4を断熱材6側に凹ませ、ここに先の真空断熱材12を配設したものである。 In the invention, the outer casing 4 is recessed into the heat insulating material 6 side, here is obtained by providing the above vacuum heat insulating material 12.

【0028】図4は、上記真空断熱材12を内箱5、或いは外箱4等に取付ける際の一例を示したものである。 [0028] FIG. 4 is a diagram showing an example for mounting the vacuum heat insulating material 12 to the inner box 5, or the outer box 4 and the like.
内箱5に設けた凹部5aに、先ず、二面テープ15を貼り、そこに真空断熱材12を仮止めし、次いで覆板16 The recess 5a provided in the inner box 5, first, attached dihedral tape 15, the vacuum heat insulating material 12 temporarily fixed thereto, then cover plates 16
をネジ17止めして取付けるようにした例である。 A is an example of to be mounted with a screw 17 stop.

【0029】図5に示すものは、冷蔵庫10と野菜室1 [0029] as shown in Figure 5, the refrigerator 10 and the vegetable compartment 1
1間を熱的に区割する仕切壁9内に真空断熱材12を設けたものである。 Between 1 is provided with a vacuum heat insulating material 12 in the partition wall 9 for sectioning thermally. ここに真空断熱材を設ければ発泡断熱材(ウレタンフォーム、スチロフォーム)に比較して薄壁厚とすることができるので、庫内内容積を拡大することが出来ることは勿論、真空断熱材自体発泡断熱材6と密着していないことより着脱が容易なものである。 It is possible to be provided the vacuum heat insulating material foam insulation (urethane foam, styrofoam) as compared to the thin wall thickness here, that it is possible to enlarge the storage room in the volume of course, the vacuum heat insulating material itself foam is made easy removable from it is not in close contact with the heat insulating material 6.

【0030】図6に示すものは、図には示してないが温度調節器或いはダンパーサーモを包む断熱材6a(従来はスチロフォーム)の一部に真空断熱材12を使った例を示すものである。 The one shown in FIG. 6 shows an example of using the vacuum heat insulating material 12 to a portion of the heat insulating material 6a is not shown in FIG wrap temperature controller or a damper Thermo (conventionally styrofoam) is there. このものに於いても、仕切壁9に設けた時と同様の効果が得られることは云うまでもない。 Also in this thing, it is needless to say that the same effect as when the obtained provided the partition wall 9.

【0031】図7〜図10に示すものは、真空断熱材を効果的に使う場所の例を示したもので、図7に示すものは、圧縮機13近くの内箱底部に設けた例であり、図8 The one shown in Figures 7-10 show examples of the location using the vacuum heat insulating material effectively, as shown in Figure 7, the example provided in the inner box bottom near the compressor 13 Yes, 8
に示すものは、冷却器18の裏側に設けた例である。 Those shown in the examples provided on the rear side of the cooler 18.

【0032】又、図9に示すものは、野菜室11等に冷気を導びくダクト19部に設けた例である。 [0032] Also, as shown in FIG. 9 is an example in which the 19 parts of conductive budge duct cooling air to the vegetable compartment 11 or the like. これら何れも冷蔵庫内側と庫外側に他の所と比較して大きな温度差がある所である。 These both is where there is a large temperature difference compared with other places in the refrigerator inside and compartment outside.

【0033】図10に示すものは、扉側に真空断熱材1 The one shown in FIG. 10, the vacuum heat insulator 1 on the door side
2を設ける例を示したものである。 It illustrates an example of providing two. このものに於いても、先に記述してきた如く、発泡断熱材6と隔離すべく扉外板7、或いは扉内板8を断熱材6側に凹させ、そこに真空断熱材12を配設するようにしたものである。 Also in this one, as has been described above, Tobiragaiban 7 in order to isolate the foam insulation 6, or is concave door inner plate 8 to the heat insulating material 6 side, provided the vacuum heat insulating material 12 therein it is obtained by way.

【0034】 [0034]

【発明の効果】本発明は以上説明した如く、発泡断熱材と密着しない所に、しかも外部より容易に着脱出来る所に真空断熱材を用いるようにしたので、真空断熱材単体でのサービス交換が容易となることは勿論、従来同様断熱材の薄壁化による内容積向上に貢献出来るものである。 According to the present invention as has been described above, where no close contact with the foam insulation, moreover since to use a vacuum heat insulating material in the place where it easily detachable from the outside, the service switching in a vacuum heat insulating material alone is it becomes easy of course, are those that can contribute to the internal volume increase due to the thin walls of the prior art similar insulation.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明を備えた冷蔵庫箱体の縦断面図。 Figure 1 is a longitudinal sectional view of a refrigerator box body provided with a present invention.

【図2】図1のA部拡大説明図。 [2] A portion enlarged explanatory view of Figure 1.

【図3】図1のB部拡大説明図。 [Figure 3] B-part enlarged diagram of FIG.

【図4】真空断熱材の内箱凹部への取付構造を示す図。 4 is a diagram showing a structure for mounting the inner box recess of the vacuum heat insulating material.

【図5】図1のC部拡大説明図。 [5] C part enlarged view of FIG.

【図6】図1のD部拡大説明図。 [6] D portion enlarged explanatory view of Figure 1.

【図7】図1のE部拡大説明図。 [7] E part enlarged explanatory view of FIG. 1.

【図8】図1のF部拡大説明図。 [8] F section enlarged view of FIG.

【図9】図1のG部拡大説明図。 [9] G enlarged illustration of FIG.

【図10】図1のH部拡大説明図。 [10] H portion enlarged explanatory view of Figure 1.

【図11】真空断熱材を現場発泡の断熱材中に配設した従来構造を説明する冷蔵庫の縦断面図である。 11 is a longitudinal sectional view of a refrigerator for explaining the conventional structure disposed in insulation foamed-in-place the vacuum heat insulating material.

【符号の説明】 DESCRIPTION OF SYMBOLS

1…冷蔵庫本体、 2…箱体、 3…扉体、 4…外箱、 5…内箱、 6…発泡断熱材、 7…扉外板、 8…扉内板、 9…仕切壁、 10…冷蔵室、 11…野菜室、 12…真空断熱材、 13…圧縮機、 14…ファンモータ、 15…二面テープ、 16…覆板、 17…ネジ、 18…冷却器、 19…ダクト。 1 ... refrigerator body, 2 ... box, 3 ... door, 4 ... outer box, 5 ... inner box, 6 ... foam insulation, 7 ... door skins, 8 ... door inner plate, 9 ... partition wall, 10 ... refrigerating compartment, 11 ... vegetable compartment, 12 ... vacuum heat insulator, 13 ... compressor, 14 ... fan motor 15 ... dihedral tape, 16 ... cover plate, 17 ... screw, 18 ... cooler, 19 ... ducts.

Claims (5)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】現場発泡の断熱材を外箱と内箱間及び扉外板と扉内板間に使用した冷蔵庫に於いて、上記発泡断熱材と密着しない所に真空断熱材を配設するようにしたことを特徴とする冷蔵庫。 1. A heat insulating material of foamed-in-place at the refrigerator used between an outer box and an inner box and door skins and doors in plates, disposing the vacuum heat insulating material where no close contact with the foam insulation refrigerator, characterized in that in the way.
  2. 【請求項2】外箱、若しくは内箱を発泡断熱材側に凹ませた所に真空断熱材を設けたことを特徴とする請求項1 2. A method according to claim, characterized in that a outer box, or vacuum thermal insulator inner box where the by recessing the foam insulation side 1
    記載の冷蔵庫。 The refrigerator as claimed.
  3. 【請求項3】扉内板、若しくは扉外板を断熱材側に凹ませた所に真空断熱材を設けたことを特徴とする請求項1 3. A process according to claim, characterized in that a vacuum heat insulator door inside panel or the door skin at that recessed in the heat insulating material side 1
    記載の冷蔵庫。 The refrigerator as claimed.
  4. 【請求項4】部屋間を熱的に区割する仕切壁内の断熱材として、真空断熱材を用いたことを特徴とする冷蔵庫。 Wherein between room as insulation partition wall for sectioning thermally, refrigerator characterized by using a vacuum heat insulating material.
  5. 【請求項5】温度調節器(ダンパーサーモを含む)を包む断熱材の一部として真空断熱材を利用したことを特徴とする冷蔵庫。 5. A temperature controller refrigerator, characterized in that utilizing the vacuum heat insulating material as part of a heat insulating material wrapping (including a damper Thermo).
JP4942995A 1995-03-09 1995-03-09 refrigerator Expired - Fee Related JP3811963B2 (en)

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Cited By (8)

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WO2003089859A1 (en) 2002-04-22 2003-10-30 Matsushita Refrigeration Company Refrigerator
CN102510986A (en) * 2009-09-24 2012-06-20 松下电器产业株式会社 Refrigerator
JP2012242072A (en) * 2011-05-24 2012-12-10 Mitsubishi Electric Corp Refrigerator
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JP2014029259A (en) * 2012-07-05 2014-02-13 Toshiba Corp Refrigerator
CN104236214A (en) * 2013-06-07 2014-12-24 三菱电机株式会社 insulating box body, refrigerator, and device provided with insulating box body
DE212014000217U1 (en) 2013-11-15 2016-07-20 Panasonic Intellectual Property Management Co., Ltd. Vacuum heat-insulating housing
JP2016197005A (en) * 2013-06-07 2016-11-24 三菱電機株式会社 refrigerator

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JP5899395B2 (en) * 2011-09-05 2016-04-06 パナソニックIpマネジメント株式会社 The heat-insulating main body

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WO2003089859A1 (en) 2002-04-22 2003-10-30 Matsushita Refrigeration Company Refrigerator
CN102510986A (en) * 2009-09-24 2012-06-20 松下电器产业株式会社 Refrigerator
CN102510986B (en) * 2009-09-24 2015-06-24 松下电器产业株式会社 refrigerator
JP2012242072A (en) * 2011-05-24 2012-12-10 Mitsubishi Electric Corp Refrigerator
JP2012242073A (en) * 2011-05-24 2012-12-10 Mitsubishi Electric Corp refrigerator
JP2014029259A (en) * 2012-07-05 2014-02-13 Toshiba Corp Refrigerator
CN104236214A (en) * 2013-06-07 2014-12-24 三菱电机株式会社 insulating box body, refrigerator, and device provided with insulating box body
JP2015129634A (en) * 2013-06-07 2015-07-16 三菱電機株式会社 Adiabatic box, refrigerator, and machinery having adiabatic box
JP2016197005A (en) * 2013-06-07 2016-11-24 三菱電機株式会社 refrigerator
CN104236214B (en) * 2013-06-07 2018-10-09 三菱电机株式会社 Insulation box, a refrigerator and a device having the insulation box
DE212014000217U1 (en) 2013-11-15 2016-07-20 Panasonic Intellectual Property Management Co., Ltd. Vacuum heat-insulating housing

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