US3868152A - Refrigerator cabinet construction - Google Patents

Refrigerator cabinet construction Download PDF

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US3868152A
US3868152A US460345A US46034574A US3868152A US 3868152 A US3868152 A US 3868152A US 460345 A US460345 A US 460345A US 46034574 A US46034574 A US 46034574A US 3868152 A US3868152 A US 3868152A
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walls
partition
opposed
face element
cavity
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US460345A
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Farris E Dixon
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General Electric Co
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General Electric Co
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    • 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
    • F25D23/069—Cooling space dividing partitions
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/902—Foam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature

Definitions

  • U.S Pat, Nos. 3,478,135-Randall and 3,632,012- Kitson show first and second walls having a foam insulation positioned between the walls to form a composite structure with a face element extending over an edge of the composite structure.
  • the structure being formed is a partition of a refrigerator, such as for top-mount or side-by-side types of freezer and fresh food compartments having separate access doors
  • a household refrigerator has opposed walls and first and second compartments separated by a partition.
  • the partition has an edge and first and second spaced-apart walls for forming a cavity therebetween.
  • a first material is positioned within the cavity and substantially covers the first and second walls.
  • a face element extends from within the cavity to a location overlying at least a portion of the walls along the partition edge.
  • Heating means is positioned between the walls along the partition edge.
  • Foam insulating material is positioned within the cavity between and adhering to the first material of the first and second walls.
  • Each of the first and second walls have a flange portion extending along the length of the partition edge. The flange portions are directed generally toward and spaced from one another in the assembled position.
  • the face element has opposed end portions and is enfolded to form a planar face, first and second opposed channels, and first and second outwardly extending flanges.
  • the first and second channels have an associated wall flange nested therein and at least one heating means nested in one of the channels between the face element and the associated wall flange.
  • the first and second outwardly extending flanges contact the first material and adhere to'the foam insulating material.
  • Means is provided for connecting opposed ends of the face channel toopposed walls of the refrigerator.
  • FIG. I is a diagrammatic frontal view of a refrigerator having the partition of this invention.
  • FIG. 2 is a partial sectional view of the partition.
  • FIGS. 3 and 4 are diagrammatic views of the face element and connecting means of the partition of this invention.
  • a household refrigerator 10 has opposed walls I2, 14 and first and second compartments l6, l8 defined by a partition 20 connected to and extending between said refrigerator walls I2, 14.
  • the partition has an edge 22 and first and second spaced-apart partition walls 24, 26 defining a cavity 28.
  • Each of the first and second walls 24, 26 has a flange 30, 32 which extends along a portion of the length of the partition edge 22.
  • the flanges 30, 32 each extend along substantially the entire length of the respective wall.
  • the flanges 30, 32 are each directed generally toward one another and terminate at a location spaced posed channels 44, 46, and first and second outwardly extending flanges 48, 50.
  • an associated wall flange 30, 32 is nested in a respective channel 44, 46.
  • One or more heating means 52, 52 are respectfully nested in at least one, preferably both, of the channels44, 46, each at a location between the face element 36 and the associated wall flange.
  • the first and second outwardly extending flanges 48, 50 of the face element 36 are contacting the first material 34 along the length of the partition 20.
  • Foam insulation is formed in situ within the defined cavity 28 and is adhering to the face element flanges 48, 50 and to the walls 24, 26 through the first material 34 for connecting the elements one to the other and forming a unitary, insulated partition 20 that is of sturdy construction.
  • Connecting means 54 such as brackets 56, 56' and fastening means 58, 58', are associated with the end portions 38, 40'of the face element 36 for connecting the partition to opposed walls 12, 14 of the refrigerator 10.
  • the flanges 30, 32 of the walls 24, 26 have flange end portions 60, 62 extending along the heating means 52, 52'.
  • one end portion 38 of the face element has a tongue 64 and a latching means 65 thereon for latching into a bracket 56 of the connecting means 54.
  • the other end 40 of the face element 36 has fastening means such as a screw 66 for insertion into a movable nut 68, thereby providing for vertical;
  • the apparatus By so constructing the apparatus, the number of elements are reduced, the resultant partition is sturdy and well insulated,,and waste of materials and power for constructing the partition and operating the heating elements are reduced.
  • this invention is not to V tition, said partitionrhaving an edge first and second a ing the first and second walls a face element extending from withinthe cavity to a location overlying at least spaced-apart walls forming a cavity therebetween, a k 1 ,s first material within the cavity and substantially cover a portion of the walls along said partition edge, heating 7 ing means thereon.

Abstract

In a household refrigerator having first and second compartments separated by a partition, a face element of the partition is constructed for maintaining walls of the partition at spacedapart locations and connecting the face element to the walls and to foam insulation within the walls.

Description

United States Patent [1 1 Dixon REFRIGERATOR CABINET CONSTRUCTION [75] Inventor:
[73] Assignee: General Electric Company,
Louisville, Ky.
[22] Filed: Apr. 12, 1974 [21] Appl. No.: 460,345
Farris'E. Dixon, Louisville, Ky.
217/131 [51] Int. Cl. F25d 23/06 [58] Field of Search 312/214, 236; 220/9 F;
[56] References Cited UNITED STATES PATENTS 2,639,592 5/1953 Philipp 312/214 [451 Feb. 25, 1975 3,478,135 11/1969 Randall 264/45 3,632,012 1/1972 Kitson 220/9 F FOREIGN PATENTS OR APPLICATIONS 721,035 12/1954 England 312/214 Primary Exarriiner-Paul R. Gilliam Assistant Examiner-Carl F. Pietruszka [57] ABSTRACT In a household refrigerator having first and second compartments separated by a partition, a face element of the partition is constructed for maintaining walls of the partition at spaced-apart locations and connecting the face element to the walls and to foam insulation within the walls.
SClaims, 4 Drawing Figures PATENTEB FEB25 I975 A'NZZ REFRIGERATOR CABINET CONSTRUCTION BACKGROUND OF THE INVENTION In the construction of a household refrigerator, it is often desirable to provide a partition within the refrigerator for separating the refrigerator into first and second compartments such as a freezer compartment and a fresh food compartment, for example. It is further desirable to have the partition constructed in such a manner that the partition is formed of spaced-apart walls, thereby forming a cavity within which foam insulation is formed in situ and connects the various elements of the partition together to form a unitary insulated partition.
U.S Pat, Nos. 3,478,135-Randall and 3,632,012- Kitson show first and second walls having a foam insulation positioned between the walls to form a composite structure with a face element extending over an edge of the composite structure.
Where the structure being formed is a partition of a refrigerator, such as for top-mount or side-by-side types of freezer and fresh food compartments having separate access doors, it is desirable to provide mullion heaters along the partition edge and a construction in which the various elements are physically connected by in situ formed foam insulation, thereby resulting in a unitary insulated partition of sturdy construction.
SUMMARY OF THE INVENTION In accordance with this invention, a household refrigerator has opposed walls and first and second compartments separated by a partition. The partition has an edge and first and second spaced-apart walls for forming a cavity therebetween. A first material is positioned within the cavity and substantially covers the first and second walls. A face element extends from within the cavity to a location overlying at least a portion of the walls along the partition edge. Heating means is positioned between the walls along the partition edge. Foam insulating material is positioned within the cavity between and adhering to the first material of the first and second walls. Each of the first and second walls have a flange portion extending along the length of the partition edge. The flange portions are directed generally toward and spaced from one another in the assembled position. The face element has opposed end portions and is enfolded to form a planar face, first and second opposed channels, and first and second outwardly extending flanges. The first and second channels have an associated wall flange nested therein and at least one heating means nested in one of the channels between the face element and the associated wall flange. The first and second outwardly extending flanges contact the first material and adhere to'the foam insulating material. Means is provided for connecting opposed ends of the face channel toopposed walls of the refrigerator.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. I is a diagrammatic frontal view ofa refrigerator having the partition of this invention;
FIG. 2 is a partial sectional view of the partition. and
FIGS. 3 and 4 are diagrammatic views of the face element and connecting means of the partition of this invention.
DETAILED DESCRIPTION OF'TI-IE INVENTION In the embodiment of FIG. 1, a household refrigerator 10 has opposed walls I2, 14 and first and second compartments l6, l8 defined by a partition 20 connected to and extending between said refrigerator walls I2, 14.
In the embodiment of FIG. 2, the partition has an edge 22 and first and second spaced- apart partition walls 24, 26 defining a cavity 28.
Each of the first and second walls 24, 26 has a flange 30, 32 which extends along a portion of the length of the partition edge 22. To provide a rigid construction, it is preferred that the flanges 30, 32 each extend along substantially the entire length of the respective wall.
The flanges 30, 32, are each directed generally toward one another and terminate at a location spaced posed channels 44, 46, and first and second outwardly extending flanges 48, 50.
In the assembled position, an associated wall flange 30, 32 is nested in a respective channel 44, 46. One or more heating means 52, 52 are respectfully nested in at least one, preferably both, of the channels44, 46, each at a location between the face element 36 and the associated wall flange. The first and second outwardly extending flanges 48, 50 of the face element 36 are contacting the first material 34 along the length of the partition 20.
Foam insulation is formed in situ within the defined cavity 28 and is adhering to the face element flanges 48, 50 and to the walls 24, 26 through the first material 34 for connecting the elements one to the other and forming a unitary, insulated partition 20 that is of sturdy construction.
Connecting means 54,such as brackets 56, 56' and fastening means 58, 58', are associated with the end portions 38, 40'of the face element 36 for connecting the partition to opposed walls 12, 14 of the refrigerator 10.
The flanges 30, 32 of the walls 24, 26 have flange end portions 60, 62 extending along the heating means 52, 52'.
In the preferred embodiment, one end portion 38 of the face element has a tongue 64 and a latching means 65 thereon for latching into a bracket 56 of the connecting means 54. The other end 40 of the face element 36 has fastening means such as a screw 66 for insertion into a movable nut 68, thereby providing for vertical;
adjustment of the face element 36.
By so constructing the apparatus, the number of elements are reduced, the resultant partition is sturdy and well insulated,,and waste of materials and power for constructing the partition and operating the heating elements are reduced.
Othcr modifications and alterations of this invention will become apparent to those skilled in the art from the foregoing discussion and accompanying drawings,
be unduly limited thereto What is claimed is:
1. In ahousehold refrigerator having opposed walls f; r
and first and second compartments separated by a parand it should be understood that this invention is not to V tition, said partitionrhaving an edge first and second a ing the first and second walls a face element extending from withinthe cavity to a location overlying at least spaced-apart walls forming a cavity therebetween, a k 1 ,s first material within the cavity and substantially cover a portion of the walls along said partition edge, heating 7 ing means thereon.
wardly'extending flanges, saidsfirst and second 7 channels havingjanl associatedwall flange nested therein, the-heating means nested in'one of the channelsbetween the face element and the associated wallflange, and said first and second outa wardly extending flanges contacting'the first mate rial and adhering to th e'foam insulating material; and l means for connecting opposed'ends of the face chart ,neltoopposed walls of the refrigeratoriy 2. Apparatus; as set forth in claim I, wherein a ing means extends through each of the channels; 7
7 3. Apparatus, as set forthlin claiml, wherein the first material is fiberglass I I 4. Apparatus, as set forth in heating means.
5; Apparatus as setlforth in claim vl, wherein an end i a tonguehaving a latchportion of the faceelernent has heab \ claim l, wherein the wall flanges each have anend portion extending along the

Claims (5)

1. In a household refrigerator having opposed walls and first and second compartments separated by a partition, said partition having an edge first and second spaced-apart walls forming a cavity therebetween, a first material within the cavity and substantially covering the first and second walls, a face element extending from within the cavity to a location overlying at least a portion of the walls along said partition edge, heating means positioned between the walls along the partition edge, and foam insulation material within the cavity between and adhering to the first material of the first and second walls, the improvement comprising: each of said first and second walls having a flange portion extending along the length of the partition edge and being directed generally toward and spaced from one another in the asSembled position; said face element having opposed end portions and being enfolded to form a planar face, first and second opposed channels, and first and second outwardly extending flanges, said first and second channels having an associated wall flange nested therein, the heating means nested in one of the channels between the face element and the associated wall flange, and said first and second outwardly extending flanges contacting the first material and adhering to the foam insulating material; and means for connecting opposed ends of the face channel to opposed walls of the refrigerator.
2. Apparatus, as set forth in claim 1, wherein a heating means extends through each of the channels.
3. Apparatus, as set forth in claim 1, wherein the first material is fiberglass.
4. Apparatus, as set forth in claim 1, wherein the wall flanges each have an end portion extending along the heating means.
5. Apparatus, as set forth in claim 1, wherein an end portion of the face element has a tongue having a latching means thereon.
US460345A 1974-04-12 1974-04-12 Refrigerator cabinet construction Expired - Lifetime US3868152A (en)

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080021A (en) * 1976-08-19 1978-03-21 United States Steel Corporation Refrigerator liner assembly
US4170391A (en) * 1978-09-21 1979-10-09 General Electric Company Refrigerator cabinet construction
US4413027A (en) * 1980-05-24 1983-11-01 Rehau Plastiks A.G. & Co. Protective and decorative molding
US4496072A (en) * 1982-09-29 1985-01-29 Whirlpool Corporation Insulated cabinet collar corner element
US4541545A (en) * 1984-06-27 1985-09-17 John D. Brush & Co., Inc. Portable fire resistant case
US4558503A (en) * 1984-06-19 1985-12-17 General Electric Company Method of assembling a refrigerator
US4606112A (en) * 1985-06-28 1986-08-19 General Electric Company Method of assembling a refrigerator cabinet
US4860921A (en) * 1984-05-09 1989-08-29 Edward Gidseg Thermal breaker strip for refrigeration cabinets
EP0361307A2 (en) * 1988-09-29 1990-04-04 Maytag Corporation Heat transfer barrier for a condenser loop of a refrigerator cabinet
US5174640A (en) * 1990-01-31 1992-12-29 Sanyo Electric Co., Ltd. Thermal insulation box
US5269602A (en) * 1990-01-31 1993-12-14 Sanyo Electric Co., Ltd. Thermal insulation box
US5349832A (en) * 1993-05-14 1994-09-27 Maytag Corporation Mullion bar assembly with enhanced heat transfer barrier characteristics
US5992960A (en) * 1998-06-12 1999-11-30 Maytag Corporation Mullion bar retainer arrangement for a refrigerator cabinet
US20060152126A1 (en) * 2005-01-12 2006-07-13 Collins Clint J Notched mullion retainer arrangement for a refrigerator cabinet
US20090167130A1 (en) * 2007-12-28 2009-07-02 Bagawathkumar Chellappan A dual drawer bottom mount freezer and mullion
US20170108266A1 (en) * 2015-10-15 2017-04-20 Samsung Electronics Co., Ltd. Refrigerator
CN108700370A (en) * 2016-02-26 2018-10-23 Bsh家用电器有限公司 It include the Domestic refrigerator for the door holder lever for being connected to partition wall by least one connection structure of two doors
US10182666B2 (en) * 2016-10-14 2019-01-22 Zero Zone, Inc. Frameless refrigerated case

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639592A (en) * 1948-09-22 1953-05-26 Nash Kelvinator Corp Refrigerator having refrigerant cooled liner
US3478135A (en) * 1966-05-05 1969-11-11 Frank E Randall Molding method and means and structures produced thereby
US3632012A (en) * 1970-01-20 1972-01-04 Philips Corp Refrigerator cabinets

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639592A (en) * 1948-09-22 1953-05-26 Nash Kelvinator Corp Refrigerator having refrigerant cooled liner
US3478135A (en) * 1966-05-05 1969-11-11 Frank E Randall Molding method and means and structures produced thereby
US3632012A (en) * 1970-01-20 1972-01-04 Philips Corp Refrigerator cabinets

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080021A (en) * 1976-08-19 1978-03-21 United States Steel Corporation Refrigerator liner assembly
US4170391A (en) * 1978-09-21 1979-10-09 General Electric Company Refrigerator cabinet construction
US4413027A (en) * 1980-05-24 1983-11-01 Rehau Plastiks A.G. & Co. Protective and decorative molding
US4496072A (en) * 1982-09-29 1985-01-29 Whirlpool Corporation Insulated cabinet collar corner element
US4860921A (en) * 1984-05-09 1989-08-29 Edward Gidseg Thermal breaker strip for refrigeration cabinets
US4558503A (en) * 1984-06-19 1985-12-17 General Electric Company Method of assembling a refrigerator
US4541545A (en) * 1984-06-27 1985-09-17 John D. Brush & Co., Inc. Portable fire resistant case
EP0211990A1 (en) * 1984-06-27 1987-03-04 John D. Brush & Company, Inc. Portable fire resistant case
US4606112A (en) * 1985-06-28 1986-08-19 General Electric Company Method of assembling a refrigerator cabinet
EP0361307A2 (en) * 1988-09-29 1990-04-04 Maytag Corporation Heat transfer barrier for a condenser loop of a refrigerator cabinet
EP0361307A3 (en) * 1988-09-29 1990-08-29 Maytag Corporation Heat transfer barrier for a condenser loop of a refrigerator cabinet
US5269602A (en) * 1990-01-31 1993-12-14 Sanyo Electric Co., Ltd. Thermal insulation box
US5174640A (en) * 1990-01-31 1992-12-29 Sanyo Electric Co., Ltd. Thermal insulation box
US5388904A (en) * 1990-01-31 1995-02-14 Sanyo Electric Co., Ltd Thermal insulation box
US5349832A (en) * 1993-05-14 1994-09-27 Maytag Corporation Mullion bar assembly with enhanced heat transfer barrier characteristics
US5992960A (en) * 1998-06-12 1999-11-30 Maytag Corporation Mullion bar retainer arrangement for a refrigerator cabinet
US20060152126A1 (en) * 2005-01-12 2006-07-13 Collins Clint J Notched mullion retainer arrangement for a refrigerator cabinet
US7407240B2 (en) 2005-01-12 2008-08-05 Whirlpool Corporation Notched mullion retainer arrangement for a refrigerator cabinet
US20090167130A1 (en) * 2007-12-28 2009-07-02 Bagawathkumar Chellappan A dual drawer bottom mount freezer and mullion
US20170108266A1 (en) * 2015-10-15 2017-04-20 Samsung Electronics Co., Ltd. Refrigerator
KR20170044539A (en) * 2015-10-15 2017-04-25 삼성전자주식회사 Refrigerator
US9920975B2 (en) * 2015-10-15 2018-03-20 Samsung Electronics Co., Ltd. Refrigerator
EP3295100A4 (en) * 2015-10-15 2018-05-30 Samsung Electronics Co., Ltd. Refrigerator
CN108700370A (en) * 2016-02-26 2018-10-23 Bsh家用电器有限公司 It include the Domestic refrigerator for the door holder lever for being connected to partition wall by least one connection structure of two doors
US20190212051A1 (en) * 2016-02-26 2019-07-11 Bsh Hausgeraete Gmbh Household Refrigerator Comprising A Door Stop Bar For Two Doors, Connected To A Partition Wall By Means Of At Least One Connector
CN108700370B (en) * 2016-02-26 2021-08-06 Bsh家用电器有限公司 Domestic refrigeration appliance comprising a door stop lever for two doors connected to a partition wall by at least one connecting structure
US10182666B2 (en) * 2016-10-14 2019-01-22 Zero Zone, Inc. Frameless refrigerated case

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