EP1075634B1 - Continuous method for producing a refrigerator - Google Patents

Continuous method for producing a refrigerator Download PDF

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Publication number
EP1075634B1
EP1075634B1 EP99923419A EP99923419A EP1075634B1 EP 1075634 B1 EP1075634 B1 EP 1075634B1 EP 99923419 A EP99923419 A EP 99923419A EP 99923419 A EP99923419 A EP 99923419A EP 1075634 B1 EP1075634 B1 EP 1075634B1
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EP
European Patent Office
Prior art keywords
production
fridge
cut
foamed
sandwich
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Revoked
Application number
EP99923419A
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German (de)
French (fr)
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EP1075634A1 (en
Inventor
Karl Werner Dietrich
Hans Günter VLEURINCK
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Bayer AG
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Bayer AG
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Application filed by Bayer AG filed Critical Bayer AG
Priority to SI9930137T priority Critical patent/SI1075634T1/en
Publication of EP1075634A1 publication Critical patent/EP1075634A1/en
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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
    • F25D23/06—Walls
    • 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
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F25D23/063—Walls defining a cabinet formed by an assembly of panels
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/12—Insulation with respect to heat using an insulating packing material
    • F25D2201/126—Insulation with respect to heat using an insulating packing material of cellular type
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure

Definitions

  • the invention relates to the manufacture of a refrigerator from continuously manufactured Sandwich foam elements.
  • Refrigerators and freezers are usually foamed on stationary support molds.
  • the purpose of these supports is to prepare the outer and inner parts support the housing against the resulting foam pressure at a distance.
  • Differentiate size and wall thickness of the devices is in a production a variety of support forms necessary.
  • the location of the housing is important in the support forms; usually a foam layer is opened after the door preferred above. This position of the devices is for an even distribution of the Foam and achieving the foam properties of great importance, since it determines the length of the flow path that the foam travels got to. Nevertheless, it is not possible to use devices without voids and air pockets to produce. In addition, there are always larger fluctuations in raw density, which results in an increased material requirement.
  • US-A-3 649 398 describes a method of making a Refrigerators, whereby a continuously produced foam sandwich element is cut to size and arranged in a box open on two sides.
  • the invention was based on the object of a method for producing a refrigerator to provide made of foam elements on which to use can be dispensed with support forms.
  • the invention thus relates to a method for producing a refrigerator according to claim 1, in which continuously sandwich elements with corresponding Manufactures cover layers and cut them to size (Fig. 1) or this according to Fig. 2nd miter cuts. 3 is folded in accordance with FIG. 3 and on the Interface connected. This creates a box that is open on both sides The side walls represent the bottom and the top.
  • the back can either be foamed into molds as usual, the molds are much simpler than the usual support forms, or it can be an in Sandwich element produced and cut to length in the same process be foamed or assembled.
  • the remaining opening is through a suitably designed door, which is either manufactured conventionally or else a sandwich element produced on the double belt can be closed.
  • Rigid polyurethane foam is preferred as the foam in the process according to the invention used.
  • the pre-cut is produced 4, which is then folded according to FIG. 5 is and then forms the bottom rear wall and top; here are the Side walls either foamed or as a continuously cut to length Sandwich elements assembled.
  • this continuous production can e.g. seals necessary for the front of the refrigerator continuously be foamed.
  • the customary top layers can be continuous directly be foamed.
  • the complex manufacture of box profiles at Metal production as well as the complex and lossy deep drawing of the Inner container is omitted.
  • the uniform thickness of the thermoplastic material savings is also eliminated.
  • the high investments for cores and mold carriers for foaming as well Deep drawing is not necessary. a change in the insulation thickness is easy across the gap width of the double conveyor belt adjustable.
  • the great advantage of the continuous production according to the invention over the traditional manufacture of the cooling devices in appropriate support forms lies in the uniform production of the polyurethane foam with orderly and defined cell structure. This is because the foam can be on a double conveyor belt horizontally anisotropically aligned in its cell structure in the direction of travel (see Fig. 9). Such an alignment of the cells requires that the foam in the thickness direction, which is also the direction of use in the refrigerator, a much better one Has a coefficient of thermal conductivity than in the case of an isotropic foam structure or even an anisotropic one Alignment in the direction of the cross section.
  • the bulk density results from the quotient of mass and volume. From the A hard foam test specimen is cut, measured and weighed becomes.
  • Anisotropic foam 19.5 mW / km (horizontal cell orientation) (measurements were made with an n-pentane driven polyurethane system)
  • Fridge and freezer 22.5 - 23.5 mW / km (measurements were made with an n / i-pentane driven polyurethane system)
  • Comparative example 2 results in a thermal conductivity coefficient which is approximately 10% lower; experience has shown that this results in a 5 to 7% lower reduction in refrigeration appliances Energy consumption with the same wall thickness.
  • the thermal conductivity of foams is based on the 2-plate process (according to Poensgen) and is defined according to DIN 52 612. In doing so Measurements at different temperatures (usually -18 to + 25 ° C) carried out. The mean temperature difference is between the Measuring temperatures 10 ° C. The measurement of thermal conductivity is immediately on the current and voltage of the heating plate returned, so you can Call the measurement the absolute method.

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  • 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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

The invention relates to a method for producing a refrigerator, characterized in that a continuously produced foam sandwich element is cut into measured sections or mitre-cut and arranged as shown in Figures 1, 2 and 3 so as to form a box which is open on two sides.

Description

Die Erfindung betrifft die Herstellung eines Kühlschranks aus kontinuierlich hergestellten Sandwich-Schaumstoffelementen.The invention relates to the manufacture of a refrigerator from continuously manufactured Sandwich foam elements.

Üblicherweise werden Kühl- und Gefriergeräte auf stationären Stützformen ausgeschäumt. Diese Stützformen haben die Aufgabe, die vorbereiteten Außen- und Innenteile des Gehäuses gegen den entstehenden Schäumdruck auf Distanz abzustützen. Bei einer entsprechenden Vielzahl von unterschiedlichen Modellen, die sich in Konstruktion, Größe und Wandstärke der Geräte unterscheiden, ist in einer Produktion eine Vielzahl von Stützformen notwendig. Wichtig dabei ist die Lage des Gehäuses in den Stützformen; dabei wird üblicherweise eine Schäumlage Türöffnung nach oben bevorzugt. Diese Position der Geräte ist für eine gleichmäßige Verteilung des Schaumstoffes und das Erreichen der Schaumstoffeigenschaften von großer Bedeutung, da durch sie die Länge des Fließweges bestimmt wird, den der Schaum zurücklegen muß. Trotzdem ist es nicht möglich, Geräte ganz ohne Lunker und Lufteinschlüsse zu produzieren. Darüber hinaus ergeben sich stets größere Rohdichteschwankungen, was einen erhöhten Materialbedarf zur Folge hat.Refrigerators and freezers are usually foamed on stationary support molds. The purpose of these supports is to prepare the outer and inner parts support the housing against the resulting foam pressure at a distance. With a corresponding number of different models, which are in construction, Differentiate size and wall thickness of the devices is in a production a variety of support forms necessary. The location of the housing is important in the support forms; usually a foam layer is opened after the door preferred above. This position of the devices is for an even distribution of the Foam and achieving the foam properties of great importance, since it determines the length of the flow path that the foam travels got to. Nevertheless, it is not possible to use devices without voids and air pockets to produce. In addition, there are always larger fluctuations in raw density, which results in an increased material requirement.

Die US-A-3 649 398 beschreibt ein Verfahren zur Herstellung eines Kühlschranks, wobei ein kontinuierlich hergestelltes Schaumstoff-Sandwichelement auf Maß abgelängt und zu einer nach 2 Seiten offenen Box angeordnet wird.US-A-3 649 398 describes a method of making a Refrigerators, whereby a continuously produced foam sandwich element is cut to size and arranged in a box open on two sides.

Der Erfindung lag die Aufgabe zugrunde, ein Verfahren zur Herstellung eines Kühlschranks aus Schaumstoffelementen zur Verfügung zu stellen, bei dem auf die Verwendung von Stützformen verzichtet werden kann.The invention was based on the object of a method for producing a refrigerator to provide made of foam elements on which to use can be dispensed with support forms.

Gegenstand der Erfindung ist somit ein Verfahren zur Herstellung eines Kühlschrankes gemäß Anspruch 1, bei dem man kontinuierlich Sandwichelemente mit entsprechenden Deckschichten fertigt und auf Maß ablängt (Fig. 1) oder diese entsprechend Fig. 2 auf Gehrung schneidet. Zuschnitt wird entsprechend Fig. 3 dreifach gefaltet und an der Nahtstelle verbunden. Hierbei entsteht ein auf beide Seiten offener Kasten, dessen Seiten die Seitenwände den Boden und die Oberseite darstellen. Die Rückseite kann entweder wie bisher üblich in Formen angeschäumt werden, wobei die Formen wesentlich einfacher als die üblichen Stützformen sind, oder es kann ein in demselben Prozeß hergestelltes und entsprechend abgelängtes Sandwichelement angeschäumt oder montiert werden. Die verbleibende Öffnung wird durch eine entsprechend konstruierte Tür, die entweder konventionell hergestellt wird oder aber ein am Doppelband hergestelltes Sandwichelement sein kann, geschlossen.The invention thus relates to a method for producing a refrigerator according to claim 1, in which continuously sandwich elements with corresponding Manufactures cover layers and cut them to size (Fig. 1) or this according to Fig. 2nd miter cuts. 3 is folded in accordance with FIG. 3 and on the Interface connected. This creates a box that is open on both sides The side walls represent the bottom and the top. The back can either be foamed into molds as usual, the molds are much simpler than the usual support forms, or it can be an in Sandwich element produced and cut to length in the same process be foamed or assembled. The remaining opening is through a suitably designed door, which is either manufactured conventionally or else a sandwich element produced on the double belt can be closed.

Als Schaumstoff wird in dem erfindungsgemäßen Verfahren bevorzugt Polyurethan-Hartschaum eingesetzt.Rigid polyurethane foam is preferred as the foam in the process according to the invention used.

In einer Variante des erfindungsgemäßen Verfahrens erfolgt die Herstellung des vorgeschnittenen Elements entsprechend Fig. 4, das dann entsprechend Fig. 5 zusammengefaltet wird und dann Boden Rückwand und Oberseite bildet; hier werden die Seitenwände entweder angeschäumt oder aber als abgelängte kontinuierlich hergestellte Sandchwichelemente anmontiert. Bei dieser kontinuierlichen Herstellung können z.B. für die Vorderseite des Kühlschranks notwendige Abdichtungen kontinuierlich angeschäumt werden.In a variant of the method according to the invention, the pre-cut is produced 4, which is then folded according to FIG. 5 is and then forms the bottom rear wall and top; here are the Side walls either foamed or as a continuously cut to length Sandwich elements assembled. In this continuous production can e.g. seals necessary for the front of the refrigerator continuously be foamed.

Im erfindungsgemäßen Verfahren können die üblichen Deckschichten direkt kontinuierlich angeschäumt werden. Das aufwendige Herstellen von Kastenprofilen bei der Metallherstellung sowie das aufwendige und verlustreiche Tiefziehen der Innenbehälter entfällt. Darüber hinaus ergeben sich gerade beim Innenbehälter durch die gleichmäßige Dicke des Thermoplasten erhebliche Materialeinsparungen. Gleichfalls entfällt die aufwendige Vorfertigung unterschiedlicher Gehäusegrößen. Auch die hohen Investitionen für Kerne und Formträger für Ausschäumen sowie Tiefziehen entfallen. eine Änderung der Dämmdicken ist einfach über die Spaltbreite des Doppeltransportbandes einstellbar.In the process according to the invention, the customary top layers can be continuous directly be foamed. The complex manufacture of box profiles at Metal production as well as the complex and lossy deep drawing of the Inner container is omitted. In addition, especially in the case of the inner container the uniform thickness of the thermoplastic material savings. The elaborate prefabrication of different housing sizes is also eliminated. Also the high investments for cores and mold carriers for foaming as well Deep drawing is not necessary. a change in the insulation thickness is easy across the gap width of the double conveyor belt adjustable.

Auch die in herkömmlichen Verfahren arbeitsaufwendige Einbringung von Vakuumisolierpaneelen in die Dämmschicht wird wesentlich vereinfacht, in dem diese Vakuumisolierpaneele bei diesen kontinuierlichen Verfahren eingelegt werden. Gegebenenfalls können sie durch Auftrag eines Teiles des Schaumes an einer Deckschicht befestigt werden und anschließend kann das Restvolumen durch den Schaum im Doppelband oszillierend oder stationär eingetragen werden (siehe Fig. 6 und 7).Also the labor-intensive insertion of vacuum insulation panels in conventional processes in the insulation layer is significantly simplified in that this Vacuum insulation panels are inserted in these continuous processes. Possibly you can apply a portion of the foam to a top layer can be attached and then the remaining volume through the foam oscillating or stationary in the double band (see Fig. 6 and 7).

Der große Vorteil der erfindungsgemäßen kontinuierlichen Herstellung gegenüber der traditionellen Herstellung der Kühlgeräte in entsprechenden Stützformen liegt in der gleichmäßigen Herstellung des Polyurethan-Schaumstoffes mit geordneter und definierter Zellstruktur. Es kann nämlich an einem Doppeltransportband der Schaum in seiner Zellstruktur in Fahrtrichtung horizontal anisotrop ausgerichtet werden (siehe Fig. 9). Eine solche Ausrichtung der Zellen bedingt, daß der Schaumstoff in Dickenrichtung, welche auch die Gebrauchsrichtung im Kältegerät ist, eine deutlich bessere Wärmeleitzahl aufweist als bei isotroper Schaumstruktur oder gar bei einer anisotropen Ausrichtung in Richtung des Querschnittes.The great advantage of the continuous production according to the invention over the traditional manufacture of the cooling devices in appropriate support forms lies in the uniform production of the polyurethane foam with orderly and defined cell structure. This is because the foam can be on a double conveyor belt horizontally anisotropically aligned in its cell structure in the direction of travel (see Fig. 9). Such an alignment of the cells requires that the foam in the thickness direction, which is also the direction of use in the refrigerator, a much better one Has a coefficient of thermal conductivity than in the case of an isotropic foam structure or even an anisotropic one Alignment in the direction of the cross section.

Figuren 1 bis 11 Figures 1 to 11

BeispieleExamples Vergleichsbeispiel 1: Rohdichteschwankungen Comparative Example 1: Density fluctuations

Doppeltransportband:Laminator:
31 bis 32 kg/m3 31 to 32 kg / m 3
Gehäuse:Casing:
31 bis 35 kg/m3 31 to 35 kg / m 3

Aus Vergleichsbeispiel 1 folgt, daß durch das erfindungsgemäße Verfahren 5 bis 10 % Gesamtrohdichte eingespart werden können bei vergleichbarer Mindestrohdichte.It follows from comparative example 1 that 5 to 10 % Overall bulk density can be saved with a comparable minimum bulk density.

Die Rohdichte ergibt sich aus dem Quotienten aus Masse und Volumen. Aus dem Paneel wird ein Hartschaumprobekörper geschnitten, der vermessen und gewogen wird.The bulk density results from the quotient of mass and volume. From the A hard foam test specimen is cut, measured and weighed becomes.

Vergleichsbeispiel 2: Wärmeleitzahl Comparative Example 2: Thermal Conductivity

1)1) Isotroper SchaumstoffIsotropic foam 20,5 mW/Km20.5 mW / km 2)2) Anisotroper SchaumstoffAnisotropic foam 19,5 mW/Km (Zellorientierung horizontal) (Messungen erfolgten mit einem n-Pentan getriebenen Polyurethan-System)19.5 mW / km (horizontal cell orientation) (measurements were made with an n-pentane driven polyurethane system) 3)3) Kühl- und GefriergerätFridge and freezer 22,5 - 23,5 mW/Km (Messungen erfolgten mit einem n/i-Pentan getriebenen Polyurethan-System)22.5 - 23.5 mW / km (measurements were made with an n / i-pentane driven polyurethane system)

Aus Vergleichsbeispiel 2 ergibt sich eine um ca. 10% niedrigere Wärmeleitzahl; erfahrungsgemäß resultiert daraus in Kältegeräten ein um 5 bis 7 % niedrigerer Energieverbrauch bei gleicher Wandstärke.Comparative example 2 results in a thermal conductivity coefficient which is approximately 10% lower; experience has shown that this results in a 5 to 7% lower reduction in refrigeration appliances Energy consumption with the same wall thickness.

Die Wärmeleitfähigkeit von Schaumstoffen wird nach dem 2-Platten-Verfahren (nach Poensgen) gemessen und ist nach DIN 52 612 definiert. Dabei werden Messungen bei unterschiedlichen Temperaturen (üblicherweise -18 bis +25°C) durchgeführt. Die mittlere Temperaturdifferenz beträgt zwischen den Meßtemperaturen 10°C. Die Messung der Wärmeleitfähigkeit wird unmittelbar auf die Stromstärke und Spannung der Heizplatte zurückgeführt, somit kann man diese Messung als Absolutmethode bezeichnen.The thermal conductivity of foams is based on the 2-plate process (according to Poensgen) and is defined according to DIN 52 612. In doing so Measurements at different temperatures (usually -18 to + 25 ° C) carried out. The mean temperature difference is between the Measuring temperatures 10 ° C. The measurement of thermal conductivity is immediately on the current and voltage of the heating plate returned, so you can Call the measurement the absolute method.

Claims (9)

  1. Process for the production of a fridge,
    characterised in that a continuously produced foam sandwich element with horizontally, anisotropically oriented cell structure is cut to size or cut in a mitred manner and is arranged to form a box open on 2 sides.
  2. Process for the production of a fridge,
    characterised in that a continuously produced sandwich element with horizontally, anisotropically oriented cell structure is cut in a mitred manner, cut into sections and arranged to form a U- or W-shaped member.
  3. Process for the production of a fridge according to claim 1 or claim 2, characterised in that the rear wall or the side walls are foamed-in-place in corresponding supporting moulds.
  4. Process for the production of a fridge according to claim 1 or claim 2, characterised in that the rear wall or the side walls are formed of sandwich elements according to the invention cut to appropriate lengths, which elements are secured mechanically or by adhesives or by foaming-in-place.
  5. Process for the production of a fridge according to any of claims 1 to 4, characterised in that vacuum insulation panels are introduced during the continuous foaming process, preferably by being foamed-in-place on an outer layer prior to entry into the compression zone.
  6. Process for the production of a fridge according to any of claims 1 to 5, characterised in that metallic outer layers or outer layers of organic polymers are used as the outer layers.
  7. Process for the production of a fridge according to any of claims 1 to 5, characterised in that paper, preferably a paper/aluminium foil complex, is used as the outer layer on one or both sides.
  8. Process for the production of a fridge according to any of claims 1 to 7, characterised in that side profiles are used during sandwich production which may form the front closure of the fridge or may also be used as assembly aids.
  9. Process for the production of a fridge according to any of claims 1 to 8, characterised in that components for final assembly, such as for example door hinges, seals, lines, together with components such as evaporators etc. are introduced into the twin belt so as to be rigidly foamed in.
EP99923419A 1998-04-28 1999-04-16 Continuous method for producing a refrigerator Revoked EP1075634B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9930137T SI1075634T1 (en) 1998-04-28 1999-04-16 Continuous method for producing a refrigerator

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19818890 1998-04-28
DE19818890A DE19818890A1 (en) 1998-04-28 1998-04-28 Continuous process of making a refrigerator
PCT/EP1999/002554 WO1999056068A1 (en) 1998-04-28 1999-04-16 Continuous method for producing a refrigerator

Publications (2)

Publication Number Publication Date
EP1075634A1 EP1075634A1 (en) 2001-02-14
EP1075634B1 true EP1075634B1 (en) 2002-08-07

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EP99923419A Revoked EP1075634B1 (en) 1998-04-28 1999-04-16 Continuous method for producing a refrigerator

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EP (1) EP1075634B1 (en)
JP (1) JP2002513134A (en)
KR (1) KR20010043078A (en)
CN (1) CN1298482A (en)
AT (1) ATE221979T1 (en)
AU (1) AU4030999A (en)
BR (1) BR9910026A (en)
CA (1) CA2330065A1 (en)
DE (2) DE19818890A1 (en)
ES (1) ES2181435T3 (en)
HU (1) HUP0101686A3 (en)
PL (1) PL343762A1 (en)
TR (1) TR200003132T2 (en)
WO (1) WO1999056068A1 (en)
ZA (1) ZA200005543B (en)

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MX2010012525A (en) * 2008-05-23 2010-12-06 Electrolux Ab Cold appliance.
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DE102010042236A1 (en) * 2010-10-08 2012-04-12 BSH Bosch und Siemens Hausgeräte GmbH Refrigerating appliance, in particular household refrigerating appliance
DE102010042233A1 (en) * 2010-10-08 2012-04-12 BSH Bosch und Siemens Hausgeräte GmbH Refrigerating appliance, in particular household refrigerating appliance
DE102010042237A1 (en) * 2010-10-08 2012-04-12 BSH Bosch und Siemens Hausgeräte GmbH Refrigerating appliance, in particular household refrigerating appliance
DE102010042242A1 (en) * 2010-10-08 2012-04-12 BSH Bosch und Siemens Hausgeräte GmbH Refrigerating appliance, in particular household refrigerating appliance
DE102010042244A1 (en) * 2010-10-08 2012-04-12 BSH Bosch und Siemens Hausgeräte GmbH Refrigerating appliance, in particular household refrigerating appliance
US9182158B2 (en) 2013-03-15 2015-11-10 Whirlpool Corporation Dual cooling systems to minimize off-cycle migration loss in refrigerators with a vacuum insulated structure
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WO2014103773A1 (en) * 2012-12-25 2014-07-03 株式会社 東芝 Refrigerator, heat insulating box for refrigerator, and method for manufacturing heat insulating box for refrigerator
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US9476633B2 (en) 2015-03-02 2016-10-25 Whirlpool Corporation 3D vacuum panel and a folding approach to create the 3D vacuum panel from a 2D vacuum panel of non-uniform thickness
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JP2002513134A (en) 2002-05-08
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CN1298482A (en) 2001-06-06
DE59902274D1 (en) 2002-09-12
PL343762A1 (en) 2001-09-10
HUP0101686A2 (en) 2001-09-28
ES2181435T3 (en) 2003-02-16
KR20010043078A (en) 2001-05-25
AU4030999A (en) 1999-11-16
ATE221979T1 (en) 2002-08-15
DE19818890A1 (en) 1999-11-04
BR9910026A (en) 2000-12-26
HUP0101686A3 (en) 2002-02-28
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ZA200005543B (en) 2001-06-06
TR200003132T2 (en) 2001-03-21

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