EP0660056A1 - Panneau de porte pour un compartiment isolé thermiquement, notamment pour un compartiment frigorifique - Google Patents

Panneau de porte pour un compartiment isolé thermiquement, notamment pour un compartiment frigorifique Download PDF

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Publication number
EP0660056A1
EP0660056A1 EP94118279A EP94118279A EP0660056A1 EP 0660056 A1 EP0660056 A1 EP 0660056A1 EP 94118279 A EP94118279 A EP 94118279A EP 94118279 A EP94118279 A EP 94118279A EP 0660056 A1 EP0660056 A1 EP 0660056A1
Authority
EP
European Patent Office
Prior art keywords
door leaf
flat box
cover plate
bend
leaf according
Prior art date
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.)
Granted
Application number
EP94118279A
Other languages
German (de)
English (en)
Other versions
EP0660056B1 (fr
Inventor
Fritz Hakemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0660056A1 publication Critical patent/EP0660056A1/fr
Application granted granted Critical
Publication of EP0660056B1 publication Critical patent/EP0660056B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • F25D23/082—Strips
    • F25D23/085—Breaking strips
    • 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 invention relates to a door leaf for a thermally insulated compartment, in particular a refrigerator compartment of a refrigerator.
  • a door leaf for a refrigerator compartment of a refrigerator should, like the walls of the refrigerator compartment, be insulated so that heat conduction through the closed refrigerator compartment door into the refrigerator compartment is avoided.
  • the necessary insulation leads to a complex construction, especially since it must be taken into account that a door leaf is also subjected to a much higher mechanical load than refrigerator compartment walls, because a door leaf is also equipped with fittings for opening and closing. Forces acting on the fittings have to absorb the door leaf, which is only possible with the appropriate mechanical strength, which is guaranteed by appropriate construction measures. The resulting, not insignificant construction and assembly work increases the manufacturing costs significantly.
  • the invention has for its object to form a door leaf for a thermally insulated compartment so that it can be manufactured more simply and therefore more cost-effectively.
  • the door leaf is designed as a double-walled panel element filled with insulation material that consists of a flat box that is open on one side and is preferably made of sheet metal. which is closed with a sheet metal plate, preferably made of sheet metal, the edges of the flat box and the cover plate having mutually operable connecting elements.
  • the flat box can be assembled with the cover plate in a simple manner by bringing existing connecting elements into operative connection with one another at the edges.
  • connecting elements designed as latching elements this can be done, for example, by pressing the connecting elements located on the cover plate against the connecting elements on the edge of the flat box until the connecting elements engage with one another.
  • special measures such as, for example, screwing, riveting, gluing, welding and the like, can be dispensed with, which, although they can in principle also be used for the purpose of connection within the scope of the invention, in turn require higher assembly costs.
  • the necessary mechanical strength of the door panel formed from the box frame and the attached cover plate is achieved by filling it with insulation material.
  • An insulating material with appropriate mechanical strength for example insulating mats that are sufficiently hard, can stiffen and solidify the door leaf and at the same time thermally insulate it.
  • An advantageously simple introduction of insulating material is possible by foaming with hardening insulating material, for example polyurethane foam.
  • the cover plate faces the inside of the refrigerator compartment.
  • the metal cover plate thus assumes the cooling temperature prevailing in the cooling compartment when the cooling compartment is closed.
  • the flat box forms the outside of the door leaf and thus has the temperature in the vicinity of the refrigerator. This creates a cold bridge in the connection areas between the flat box and cover plate is avoided, according to a development of the invention it is provided that an insulating element serving for thermal separation between the flat box and the cover plate is placed in the connection area of the connecting elements.
  • the insulating element separates the connecting elements of the flat box and cover plate from one another and thermally insulates the two parts from one another, the function of mutually holding and fixing the connecting elements of the cover plate and flat box also being performed by the insulating element.
  • the insulating element is a plastic profile strip arranged on the inside of the frame wall of the flat box.
  • the plastic material insulates in the sense of thermal separation and the profile strip can serve with appropriate profile projections the connection between the connecting elements of the cover plate and flat box.
  • the profile strip has a strip section resting against the inside of the frame wall, and a web projecting against the edge of the cover plate. With the strip section, the profile strip is supported on the frame wall of the flat box. The web projecting against the edge of the cover plate can be brought into operative connection with a connecting element seated at the edge of the cover plate.
  • the web has at least one projecting rib running parallel to the strip section.
  • the rib serves to stiffen the web.
  • the rib has the advantage that a screw which is screwed in from the outside through the frame wall of the flat box can also be screwed into the web after penetrating the strip section, as a result of which a screw connection is considerably stronger and more durable. So that the profile strip is fixed during the assembly of a door panel, it is provided that the open edge of the opening of the flat box forming free edge of its frame wall has an inward bend that overlaps an adjacent longitudinal edge of the profile strip arranged on the inside of the frame wall.
  • the easy-to-apply bend has the advantage that the opening edge of the flat box is stiffened.
  • Ease of assembly is also achieved in particular in that the edges of the cover plate facing the frame wall are provided with a spring-elastically deflectable deflection directed towards the inside of the flat box, which can be brought into resilient contact with the facing longitudinal edge of the web of the profile strip. It is particularly advantageous for the bend to have a longitudinal shoulder serving to lock it with the longitudinal edge of the web of the profile strip. With these measures, the cover plate can be locked to the flat box by simply pressing it in while deflecting the bend, in that the longitudinal shoulder in the bend snaps over the longitudinal edge of the web of the profiled strip.
  • a longitudinal shoulder serving for latching can be easily introduced into the bend in that it is formed by a "S" or "Z" -shaped profile of the bend.
  • a spring-elastic deflection of the bend when the cover plate is pressed into the flat box is facilitated in that the bend runs at a certain angle to the cover plate plane.
  • the angle of the bend is preferably approximately 45 °.
  • an elastic door sealing lip can advantageously be used deploy.
  • the free space is undercut by the angled bend, and the bend protrudes into the free space.
  • fasteners for a door sealing lip can essentially be dispensed with. If necessary, it is sufficient to glue in the door seal lip made of foam rubber or the like.
  • the parts After assembling the door leaf from the flat box, cover plate and profile strips, the parts are fixed and connected to each other by foaming with hardening insulating material.
  • Polyurethane foam is particularly advantageous for foaming. This makes the door leaf extremely strong and stiff so that it can withstand mechanical loads.
  • Cover plate and flat box are so firmly connected and anchored by the foaming in conjunction with undercuts formed by the bend and profile strip that a mutual solution is also exerted by tensile forces that are exerted, for example, when the cooling compartment is opened and closed via fittings and handles attached to the flat box cannot lead to the flat box and cover plate coming apart.
  • the drawing shows an edge area of a door leaf for a refrigerator compartment in cross section on an enlarged scale.
  • the door leaf is designed as a double-walled panel element 1.
  • the panel element, or the door leaf preferably has a rectangular shape, the boundary edges of the panel element being of the same design on all sides, as shown in the drawing.
  • a cover plate 2 made of sheet metal forms the inside of the refrigerator compartment facing inner wall of the double-walled panel element 1.
  • a flat box 3 also made of sheet metal, forms an outer wall of the door panel.
  • the laterally raised frame wall of the flat box 3 is designated by 4.
  • a free edge of its frame wall 4 forming the open opening edge of the flat box 3 has an inward bend 5.
  • an insulating element 6 serving for thermal separation is placed in the connection area between cover plate 2 and flat box 3, an insulating element 6 serving for thermal separation is placed.
  • the insulating element is a plastic profile strip arranged on the inside of the frame wall 4 of the flat box 3, which has a strip section 7 resting on the inside of the frame wall and a web 8 projecting towards the edge of the cover plate 2. At least one rib 9 running parallel to the strip section 7 rises from the web 8.
  • the rib serves to stiffen and anchor the insulating element 6, and also to hold a screw 10 indicated by dash-dotted lines, which can be screwed in from the outside Frame wall 4 of the flat box 3 bend 5 overlaps a respective adjacent longitudinal edge 11 of the profile strip arranged on the inside of the frame wall 4.
  • edges of the cover plate 2 facing the frame wall 4 of the flat box 3 are provided with a spring-elastic, deflectable bend directed towards the inside of the flat box 3, which can be brought into resilient contact with the facing longitudinal edge 13 of the web 8 of the profile strip serving as insulating element 6.
  • the bend runs at an angle of approximately 45 ° to the plane of the cover plate 2 and has a longitudinal shoulder 14 which serves to latch with the longitudinal edge 13 of the web 8 and which has an “S” or “Z” shaped cross section the bend 12 is formed.
  • the panel element 1 can be assembled by inserting the insulating element 6, which can optionally be fixed by screws 10, and by simply pressing and snapping the cover plate 2 into the flat box. As soon as the flat box, cover plate and insulating elements have been assembled, the entire panel element is foamed with a hardening insulating material, for example polyurethane foam, thereby fixing and connecting the parts to one another. After fitting appropriate fittings, the panel element can be used as a door leaf for a refrigerator compartment.
  • a hardening insulating material for example polyurethane foam

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
EP94118279A 1993-12-22 1994-11-21 Panneau de porte pour un compartiment isolé thermiquement, notamment pour un compartiment frigorifique Expired - Lifetime EP0660056B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4343860A DE4343860A1 (de) 1993-12-22 1993-12-22 Türblatt für ein thermisch isoliertes Fach, insbesondere ein Kühlfach eines Kühlmöbels
DE4343860 1993-12-22

Publications (2)

Publication Number Publication Date
EP0660056A1 true EP0660056A1 (fr) 1995-06-28
EP0660056B1 EP0660056B1 (fr) 1998-10-14

Family

ID=6505786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118279A Expired - Lifetime EP0660056B1 (fr) 1993-12-22 1994-11-21 Panneau de porte pour un compartiment isolé thermiquement, notamment pour un compartiment frigorifique

Country Status (4)

Country Link
EP (1) EP0660056B1 (fr)
AT (1) ATE172294T1 (fr)
DE (2) DE4343860A1 (fr)
DK (1) DK0660056T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000049351A1 (fr) * 1999-02-19 2000-08-24 BSH Bosch und Siemens Hausgeräte GmbH Porte d'appareil frigorifique
EP1143215A1 (fr) * 2000-04-01 2001-10-10 Seven-Air Gebr. Meyer AG Paroi double calorifugée
US20110315693A1 (en) * 2009-05-15 2011-12-29 Whirlpool Corporation Insulation panels applied to or as a feature module
US11179331B1 (en) 2020-04-21 2021-11-23 Cure Pharmaceutcai Holding Corp Oral soluble film containing sildenafil citrate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA92684C2 (ru) 2006-11-28 2010-11-25 Фритц Хакеманн Запорное устройство для мебели

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353321A (en) * 1965-09-15 1967-11-21 Star Metal Corp Thermal breaker strip
FR2086390A1 (en) * 1970-04-27 1971-12-31 Gen Electric Sealing strip for refrigerator door opening
EP0162344A2 (fr) * 1984-05-24 1985-11-27 INDUSTRIE ZANUSSI S.p.A. Porte pour un réfrigérateur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1869022U (de) * 1962-06-15 1963-03-21 Licentia Gmbh Waermeisolierte kunststofftuer.
DE6937494U (de) * 1969-05-31 1970-01-15 Zanussi A Spa Industrie Dichtung fuer kuehlschranktuer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353321A (en) * 1965-09-15 1967-11-21 Star Metal Corp Thermal breaker strip
FR2086390A1 (en) * 1970-04-27 1971-12-31 Gen Electric Sealing strip for refrigerator door opening
EP0162344A2 (fr) * 1984-05-24 1985-11-27 INDUSTRIE ZANUSSI S.p.A. Porte pour un réfrigérateur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000049351A1 (fr) * 1999-02-19 2000-08-24 BSH Bosch und Siemens Hausgeräte GmbH Porte d'appareil frigorifique
DE19907147A1 (de) * 1999-02-19 2000-08-24 Bsh Bosch Siemens Hausgeraete Kältegerätetür
EP1143215A1 (fr) * 2000-04-01 2001-10-10 Seven-Air Gebr. Meyer AG Paroi double calorifugée
US20110315693A1 (en) * 2009-05-15 2011-12-29 Whirlpool Corporation Insulation panels applied to or as a feature module
US8726690B2 (en) * 2009-05-15 2014-05-20 Whirlpool Corporation Insulation panels applied to or as a feature module
US11179331B1 (en) 2020-04-21 2021-11-23 Cure Pharmaceutcai Holding Corp Oral soluble film containing sildenafil citrate

Also Published As

Publication number Publication date
DK0660056T3 (da) 1999-06-23
DE4343860A1 (de) 1995-06-29
EP0660056B1 (fr) 1998-10-14
ATE172294T1 (de) 1998-10-15
DE59407089D1 (de) 1998-11-19

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