WO2018202370A1 - A cooler in which the insulation material is distributed in the insulation volume - Google Patents

A cooler in which the insulation material is distributed in the insulation volume Download PDF

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Publication number
WO2018202370A1
WO2018202370A1 PCT/EP2018/058291 EP2018058291W WO2018202370A1 WO 2018202370 A1 WO2018202370 A1 WO 2018202370A1 EP 2018058291 W EP2018058291 W EP 2018058291W WO 2018202370 A1 WO2018202370 A1 WO 2018202370A1
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WO
WIPO (PCT)
Prior art keywords
cooler
insulation
volume
separator
inner lining
Prior art date
Application number
PCT/EP2018/058291
Other languages
French (fr)
Inventor
Yigit OZSACMACI
Omer Alper MIRZA
Valentin EGORKIN
Margarita SIROTKINA
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Publication of WO2018202370A1 publication Critical patent/WO2018202370A1/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
    • F25D23/062—Walls defining a cabinet
    • F25D23/064—Walls defining a cabinet formed by moulding, e.g. moulding in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/18—Filling preformed cavities
    • B29C44/186—Filling multiple cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/18—Filling preformed cavities
    • B29C44/188—Sealing off parts of the cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/385—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using manifolds or channels directing the flow in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/762—Household appliances
    • B29L2031/7622—Refrigerators
    • 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

Definitions

  • the present invention relates to a cooler in which the insulation material is enabled to be homogeneously distributed in the insulation volume.
  • insulation material is placed between the inner lining and the outer wall forming the body and the door, with the purpose of providing heat insulation between the internal of the compartment and the outer environment.
  • polyurethane is used as the insulation material, and this material is filled through a gap between the inner lining and the outer wall. Due to its nature, the polyurethane material expands once it is injected between the inner lining and the outer wall, and transits to solid phase. During the phase transition, pockets remain in the insulation volume between the inner lining and the outer wall. Said pockets are observed more frequently on the ceiling of the body and/or the door where the insulation material reaches lattermost, and collapses and indentations form around the regions containing pockets.
  • the outer wall of the door is made of metal
  • the inner lining is made of plastic material
  • insulation material is filled into the insulation volume between the inner lining and the outer wall by way of injection.
  • the door expands and/or contracts due to said difference, and collapses/indentations occur on the outer surface of the door due to these factors. Said deformation has adverse effects on the external appearance of the cooler and prevents the door from being closed smoothly.
  • profiles made of longitudinal mold metal are used to avoid collapses and indentations.
  • JP09303947 discloses applying solid epoxy layer and resin interlayer enabling homogeneous distribution of the insulation material, on the inner lining of the body contacting the insulation material.
  • a cooler having a patterned inner lining enabling the insulation material to be distributed homogeneously in the insulation volume and preventing pocket forming.
  • the aim of the present invention is to realize a cooler in which pockets are prevented from remaining in the insulation volume where the insulation material is filled.
  • the cooler realized to achieve the aim of the present invention and disclosed in the first claim and the dependent claims, comprises one or more separators enabling segmenting the insulation volume between the inner lining and the outer wall into a plurality of portions, and at least one passage enabling the insulation material to be dispersed into the entire insulation volume by connecting the portions separated by the separator.
  • the insulation volume is segmented into a plurality of portions by means of the separators placed in the insulation volume, enabling each portion to act as a separate part.
  • the body and the door is thus enabled to have differing characteristics by being segmented into a plurality of parts, enabling them being affected to the minimal extent, by the expansions and contractions occurring due to temperature difference.
  • the separator is fixed on the inner lining on horizontal axis. Pockets are thus prevented from forming, thereby avoiding the inner lining collapsing and cambering towards the outer wall.
  • the separators are fixed parallel to each other on the inner lining.
  • the separators rest inclined on horizontal axis so as to keep a certain angle to the inner lining.
  • one of the separators is inclined upwards and the other one is inclined downwards.
  • the cooler comprises at least one passage between the outer wall and the separator.
  • the cooler comprises at least one passage provided on the separator, connecting the two portions separated by the separator.
  • Figure 1 is a perspective view of a cooler.
  • Figure 2 is a view of a door and insulation volume and the separators provided in the insulation volume.
  • Figure 3 is a view of the separators fixed on the inner lining of the door.
  • Figure 4 is a schematic sectional view of a portion of the door.
  • the cooler (1) comprises a body (2), a door (3) enabling access into the body (2), an inner lining (4) forming the side of the cooler (1) facing the internal volume, an outer wall (5) forming the outer surface of the cooler (1), an insulation volume (6) provided between the inner lining (4) and the outer wall (5), insulation material (9) filled into the insulation volume (6), and
  • the inner lining (4) and the outer wall (5) is joined when the body (2) and the door (3) are being produced. Meanwhile, an opening (not shown in the figures) is left, enabling the insulation material (9) to be filled into the insulation volume (6).
  • the insulation material (9) filled into the insulation volume (6) through said opening fills the portion up to the separator (7), then passes through the passage (8) to the other side of the separator (7) and continues dispersing in the entire insulation volume (6) and completely disperses within the insulation volume (6).
  • the insulation material (9) composed of a plurality of chemical agents, solidifies by expanding once it is filled into the insulation volume (6).
  • the insulation volume (6) is segmented into a plurality of portions by means of the separator (7), the dispersion speed of the insulation material (9) is slowed down, enabling it to disperse within the insulation volume (6) in steps. Pockets likely to form during solidification of the insulation material (9), i.e. during phase change, are thus avoided.
  • the insulation volume (6) segmented into at least two portions by the separator (7) enables the body (2) or the door (3) to have differing characteristics by each part instead of acting as a whole, and this enables preventing deformations occurring due to expansion or contraction effect.
  • the separator (7) is fixed on the surface of the inner lining (4) facing the internal of the insulation volume (6).
  • the flow of the insulation volume (9) on the inner lining (4) is slowed down, and the portions separated by the separator (7) are enabled to be completely filled with the insulation material (9) so as not to accommodate any pockets. Pockets likely to occur due to rapid curing of the insulation material (9) are thus avoided, preventing the inner lining (4) from collapsing and cambering towards the outer wall (5).
  • the separator (7) is fixed on the inner lining (4) perpendicular to the dispersion direction of the insulation material (9), preferably on horizontal axis.
  • the dispersion speed of the insulation material (9) is thus slowed down, preventing pocket forming in the insulation volume (6).
  • At least two separators (7) are fixed parallel to each other on the inner lining (4).
  • the cooler (1) comprises three separators (7).
  • the insulation volume (6) is thus segmented into three portions ( Figure 3).
  • the separators (7) are fixed on the inner lining (4) so as to rest inclined in the insulation volume (6).
  • one of the separators (7) is inclined upwards and the other one is inclined downwards ( Figure 4).
  • the separators (7) are inclined in the same direction.
  • the cooler (1) comprises at least one passage (8) between the outer wall (5) and the separator (7).
  • the insulation material (9) is enabled to be distributed in steps to the portions separated by the separator (7).
  • the cooler (1) comprises at least one passage (8) provided on the separator (7), connecting the two portions separated by the separator (7).
  • the height of the passage (8) is in the range of 10-30 mm, the preferred height being 25 mm.
  • the insulation material (9) is polyurethane.
  • the separator (7) is made of material to which the insulation material (9) does not adhere.
  • the insulation material (9) is enabled to be distributed homogeneously in the insulation volume (6), and the inner lining (4) is prevented from collapsing and cambering towards the outer wall (5).
  • the internal volume of the cooler (1) is thus effectively insulated from outer environment conditions while improving strength of the body (2) and the door (3).

Abstract

The present invention relates to a cooler (1) comprising a body (2), a door (3) enabling access into the body (2), an inner lining (4) fornning the side of the cooler (1 ) facing the internal volume, an outer wall (5) forming the outer surface of the cooler (1 ), an insulation volume (6) provided between the inner lining (4) and the outer wall (5), and insulation material (9) filled into the insulation volume (6).

Description

A COOLER IN WHICH THE INSULATION MATERIAL IS DISTRIBUTED IN THE INSULATION VOLUME
The present invention relates to a cooler in which the insulation material is enabled to be homogeneously distributed in the insulation volume.
In coolers, insulation material is placed between the inner lining and the outer wall forming the body and the door, with the purpose of providing heat insulation between the internal of the compartment and the outer environment. Preferably polyurethane is used as the insulation material, and this material is filled through a gap between the inner lining and the outer wall. Due to its nature, the polyurethane material expands once it is injected between the inner lining and the outer wall, and transits to solid phase. During the phase transition, pockets remain in the insulation volume between the inner lining and the outer wall. Said pockets are observed more frequently on the ceiling of the body and/or the door where the insulation material reaches lattermost, and collapses and indentations form around the regions containing pockets.
In addition, in single door coolers, particularly in the coolers having a height of almost two meters, the outer wall of the door is made of metal, and the inner lining is made of plastic material, and just like the body, insulation material is filled into the insulation volume between the inner lining and the outer wall by way of injection. In some cases, there may be high temperature differences between the ambient temperature and the internal compartment temperature. The door expands and/or contracts due to said difference, and collapses/indentations occur on the outer surface of the door due to these factors. Said deformation has adverse effects on the external appearance of the cooler and prevents the door from being closed smoothly.
The collapses/indentations forming on the outer wall of the door and the body lead to defects on the appearance, prevent the door from being closed smoothly and increase user complaints. This causes the maintenance costs to increase and reduces the user's perception of quality.
In an application of the state of the art, profiles made of longitudinal mold metal are used to avoid collapses and indentations.
State of the art Japanese patent application no. JP09303947 discloses applying solid epoxy layer and resin interlayer enabling homogeneous distribution of the insulation material, on the inner lining of the body contacting the insulation material.
Another state of the art document is the U.S. patent application no. US20110132023. This document discloses a cooler having an inner lining regulating the flow of the insulation material and comprising patterns on its side facing the insulation volume.
Another application of the state of the art is disclosed in the international patent application no. WO2013038003. In this application, a cooler is disclosed having a patterned inner lining enabling the insulation material to be distributed homogeneously in the insulation volume and preventing pocket forming.
The aim of the present invention is to realize a cooler in which pockets are prevented from remaining in the insulation volume where the insulation material is filled.
The cooler realized to achieve the aim of the present invention and disclosed in the first claim and the dependent claims, comprises one or more separators enabling segmenting the insulation volume between the inner lining and the outer wall into a plurality of portions, and at least one passage enabling the insulation material to be dispersed into the entire insulation volume by connecting the portions separated by the separator.
With the present invention, the insulation volume is segmented into a plurality of portions by means of the separators placed in the insulation volume, enabling each portion to act as a separate part. The body and the door is thus enabled to have differing characteristics by being segmented into a plurality of parts, enabling them being affected to the minimal extent, by the expansions and contractions occurring due to temperature difference.
In an embodiment of the invention, the separator is fixed on the inner lining on horizontal axis. Pockets are thus prevented from forming, thereby avoiding the inner lining collapsing and cambering towards the outer wall.
In another embodiment of the invention, the separators are fixed parallel to each other on the inner lining.
In an embodiment of the invention, the separators rest inclined on horizontal axis so as to keep a certain angle to the inner lining.
In another embodiment of the invention, one of the separators is inclined upwards and the other one is inclined downwards.
In another embodiment of the invention, the cooler comprises at least one passage between the outer wall and the separator.
In another embodiment of the invention, the cooler comprises at least one passage provided on the separator, connecting the two portions separated by the separator.
The cooler realized to achieve the aims of the present invention is illustrated in the accompanying drawings, wherein:
Figure 1 is a perspective view of a cooler.
Figure 2 is a view of a door and insulation volume and the separators provided in the insulation volume.
Figure 3 is a view of the separators fixed on the inner lining of the door.
Figure 4 is a schematic sectional view of a portion of the door.
The elements in the figures are numbered individually and the correspondence of these numbers are given hereinafter.
  1. Cooler
  2. Body
  3. Door
  4. Inner lining
  5. External wall
  6. Insulation volume
  7. Separator
  8. Passage
  9. Insulation material
The cooler (1) comprises a body (2), a door (3) enabling access into the body (2), an inner lining (4) forming the side of the cooler (1) facing the internal volume, an outer wall (5) forming the outer surface of the cooler (1), an insulation volume (6) provided between the inner lining (4) and the outer wall (5), insulation material (9) filled into the insulation volume (6), and
  • one or more separators (7) enabling segmenting the insulation volume (6) into a plurality of portions, and
  • at least one passage (8) enabling the insulation material (9) to reach into entire insulation volume (6) by connecting the portions separated by the separator (7) (Figure 1 and Figure 2).
During production of the cooler (1), the inner lining (4) and the outer wall (5) is joined when the body (2) and the door (3) are being produced. Meanwhile, an opening (not shown in the figures) is left, enabling the insulation material (9) to be filled into the insulation volume (6). The insulation material (9) filled into the insulation volume (6) through said opening, fills the portion up to the separator (7), then passes through the passage (8) to the other side of the separator (7) and continues dispersing in the entire insulation volume (6) and completely disperses within the insulation volume (6). The insulation material (9) composed of a plurality of chemical agents, solidifies by expanding once it is filled into the insulation volume (6). Since the insulation volume (6) is segmented into a plurality of portions by means of the separator (7), the dispersion speed of the insulation material (9) is slowed down, enabling it to disperse within the insulation volume (6) in steps. Pockets likely to form during solidification of the insulation material (9), i.e. during phase change, are thus avoided. In addition, the insulation volume (6) segmented into at least two portions by the separator (7), enables the body (2) or the door (3) to have differing characteristics by each part instead of acting as a whole, and this enables preventing deformations occurring due to expansion or contraction effect.
In an embodiment of the invention, the separator (7) is fixed on the surface of the inner lining (4) facing the internal of the insulation volume (6). By this, the flow of the insulation volume (9) on the inner lining (4) is slowed down, and the portions separated by the separator (7) are enabled to be completely filled with the insulation material (9) so as not to accommodate any pockets. Pockets likely to occur due to rapid curing of the insulation material (9) are thus avoided, preventing the inner lining (4) from collapsing and cambering towards the outer wall (5).
In an embodiment of the invention, the separator (7) is fixed on the inner lining (4) perpendicular to the dispersion direction of the insulation material (9), preferably on horizontal axis. The dispersion speed of the insulation material (9) is thus slowed down, preventing pocket forming in the insulation volume (6).
In another embodiment of the invention, at least two separators (7) are fixed parallel to each other on the inner lining (4). In the preferred embodiment of the invention, the cooler (1) comprises three separators (7). The insulation volume (6) is thus segmented into three portions (Figure 3).
In an embodiment of the invention, the separators (7) are fixed on the inner lining (4) so as to rest inclined in the insulation volume (6). In the preferred version of this embodiment of the invention, one of the separators (7) is inclined upwards and the other one is inclined downwards (Figure 4). In another version, the separators (7) are inclined in the same direction.
In an embodiment of the invention, the cooler (1) comprises at least one passage (8) between the outer wall (5) and the separator (7). By this, the insulation material (9) is enabled to be distributed in steps to the portions separated by the separator (7).
In another embodiment of the invention, the cooler (1) comprises at least one passage (8) provided on the separator (7), connecting the two portions separated by the separator (7).
In an embodiment of the invention, the height of the passage (8) is in the range of 10-30 mm, the preferred height being 25 mm.
In the preferred embodiment of the invention, the insulation material (9) is polyurethane.
In another embodiment of the invention, the separator (7) is made of material to which the insulation material (9) does not adhere.
With the present invention, by slowing down the dispersion speed of the insulation material (9) in the insulation volume (6), pockets are prevented from forming in the insulation volume (6), the insulation material (9) is enabled to be distributed homogeneously in the insulation volume (6), and the inner lining (4) is prevented from collapsing and cambering towards the outer wall (5). The internal volume of the cooler (1) is thus effectively insulated from outer environment conditions while improving strength of the body (2) and the door (3).

Claims (12)

  1. A cooler (1) comprising a body (2), a door (3) enabling access into the body (2), an inner lining (4) forming the side of the cooler (1) facing the internal volume, an outer wall (5) forming the outer surface of the cooler (1), an insulation volume (6) provided between the inner lining (4) and the outer wall (5), and insulation material (9) filled into the insulation volume (6), characterized by
    - one or more separators (7) enabling segmenting the insulation volume (6) into a plurality of portions, and by
    - at least one passage (8) enabling the insulation material (9) to reach into entire insulation volume (6) by connecting the portions separated by the separator (7).
  2. A cooler (1) according to claim 1, characterized by the separator (7) fixed on the surface of the inner lining (4) facing the internal of the insulation volume (6).
  3. A cooler (1) according to claims 1 and 2, characterized by the separator (7) fixed on the inner lining (4) perpendicular to the dispersion direction of the insulation material (9).
  4. A cooler (1) according to claim 3, characterized by the separator (7) fixed on the inner lining (4) on horizontal axis.
  5. A cooler (1) according to any one of the preceding claims, characterized by at least two separators (7) fixed parallel to each other on the inner lining (4).
  6. A cooler (1) according to any one of the preceding claims, characterized by the separator (7) fixed on the inner lining (4) so as to rest inclined in the insulation volume (6).
  7. A cooler (1) according to claim 6, characterized by at least two separators (7) placed in the insulation volume (6) so as to rest inclined in the same direction.
  8. A cooler (1) according to claim 6, characterized by at least two separators (7) placed in the insulation volume (6) so as to rest inclined in the opposite direction.
  9. A cooler (1) according to claim 1, characterized by at least one passage (8) provided between the outer wall (5) and the separator (7).
  10. A cooler (1) according to claim 1, characterized by at least one passage (8) provided on the separator (7), connecting the two portions separated by the separator (7).
  11. A cooler (1) according to any one of the preceding claims, characterized by the insulation material (9) which is polyurethane.
  12. A cooler (1) according to claims 1 and 11, characterized by the separator (7) made of material to which the insulation material (9) does not adhere.
PCT/EP2018/058291 2017-05-03 2018-03-30 A cooler in which the insulation material is distributed in the insulation volume WO2018202370A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2017/06514A TR201706514A2 (en) 2017-05-03 2017-05-03 A COOLER THAT IS PROVIDED TO DISTRIBUTE INSULATION MATERIAL IN THE INSULATION VOLUME
TRA2017/06514 2017-05-03

Publications (1)

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WO2018202370A1 true WO2018202370A1 (en) 2018-11-08

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WO (1) WO2018202370A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111238142A (en) * 2020-02-28 2020-06-05 青岛海尔电冰箱有限公司 Box and refrigerating device
CN111486652A (en) * 2020-02-28 2020-08-04 青岛海尔电冰箱有限公司 Box and refrigerating device

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446881A (en) * 1965-04-01 1969-05-27 Gen Motors Corp Inter-wall foamed thermal insulation
NL7000683A (en) * 1970-01-16 1970-07-23 Refrigerator or cold box casing
JPS5079859A (en) * 1973-11-19 1975-06-28
JPS5694488U (en) * 1979-12-19 1981-07-27
JPH0413082A (en) * 1990-05-07 1992-01-17 Matsushita Refrig Co Ltd Heat-insulated box body
JPH09303947A (en) 1996-05-15 1997-11-28 Matsushita Electric Ind Co Ltd Heat insulating box and its manufacture
EP0838645A1 (en) * 1996-10-25 1998-04-29 Whirlpool Corporation Insulated structure particularly for refrigerators and method for producing the same
US20110132023A1 (en) 2009-12-03 2011-06-09 Samsung Electronics Co., Ltd Outer case of refrigerator and refrigerator having the same and manufacturing method thereof
DE102011075098A1 (en) * 2011-05-02 2012-11-08 BSH Bosch und Siemens Hausgeräte GmbH Heat-insulating wall
WO2013038003A2 (en) 2011-09-16 2013-03-21 Arcelik Anonim Sirketi A cooling device comprising an insulation material that is provided to be distributed homogeneously in the insulation volume
JP2016114267A (en) * 2014-12-12 2016-06-23 シャープ株式会社 Heat insulation box and refrigerator with the same

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446881A (en) * 1965-04-01 1969-05-27 Gen Motors Corp Inter-wall foamed thermal insulation
NL7000683A (en) * 1970-01-16 1970-07-23 Refrigerator or cold box casing
JPS5079859A (en) * 1973-11-19 1975-06-28
JPS5694488U (en) * 1979-12-19 1981-07-27
JPH0413082A (en) * 1990-05-07 1992-01-17 Matsushita Refrig Co Ltd Heat-insulated box body
JPH09303947A (en) 1996-05-15 1997-11-28 Matsushita Electric Ind Co Ltd Heat insulating box and its manufacture
EP0838645A1 (en) * 1996-10-25 1998-04-29 Whirlpool Corporation Insulated structure particularly for refrigerators and method for producing the same
US20110132023A1 (en) 2009-12-03 2011-06-09 Samsung Electronics Co., Ltd Outer case of refrigerator and refrigerator having the same and manufacturing method thereof
DE102011075098A1 (en) * 2011-05-02 2012-11-08 BSH Bosch und Siemens Hausgeräte GmbH Heat-insulating wall
WO2013038003A2 (en) 2011-09-16 2013-03-21 Arcelik Anonim Sirketi A cooling device comprising an insulation material that is provided to be distributed homogeneously in the insulation volume
JP2016114267A (en) * 2014-12-12 2016-06-23 シャープ株式会社 Heat insulation box and refrigerator with the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111238142A (en) * 2020-02-28 2020-06-05 青岛海尔电冰箱有限公司 Box and refrigerating device
CN111486652A (en) * 2020-02-28 2020-08-04 青岛海尔电冰箱有限公司 Box and refrigerating device

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