EP4202325A1 - Appareil de refroidissement et/ou de congélation - Google Patents
Appareil de refroidissement et/ou de congélation Download PDFInfo
- Publication number
- EP4202325A1 EP4202325A1 EP22213705.1A EP22213705A EP4202325A1 EP 4202325 A1 EP4202325 A1 EP 4202325A1 EP 22213705 A EP22213705 A EP 22213705A EP 4202325 A1 EP4202325 A1 EP 4202325A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- refrigerator
- freezer
- mechanical structure
- widened
- extensions
- 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.)
- Pending
Links
- 238000005057 refrigeration Methods 0.000 title 1
- 239000000463 material Substances 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 2
- 238000007710 freezing Methods 0.000 claims 4
- 230000008014 freezing Effects 0.000 claims 4
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
Images
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
-
- 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
-
- 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
- F25D23/08—Parts formed wholly or mainly of plastics materials
Definitions
- the present invention relates to a refrigerator and/or freezer having a mechanical structure and at least one element attached to the mechanical structure.
- Materials with high flame retardant properties must be used for housing or for parts of refrigerators and/or freezers that come into contact with insulating foam in order to meet the standard for flame retardant requirements in refrigerators and/or freezers. These materials must meet the 5VA classification according to the UL94 regulation.
- plastics that meet the 5VA classification according to the UL94 regulation. However, these are expensive. Due to the flame retardant additives, some of these plastics are also difficult to recycle.
- the object of the present invention is to improve the material composition and the assembly of the parts of refrigerators and/or freezers, in particular with regard to the fire protection properties.
- a refrigerator and/or freezer with a mechanical structure and at least one element attached to the mechanical structure, with an element being attached to the mechanical structure by means of at least one extension protruding from the mechanical structure, which extends through a recess or opening in the Elements runs and is widened by forming at its end remote from the mechanical structure, thereby fixing the element is attached.
- the mechanical structure is a housing structure or a supporting structure of the refrigerator and/or freezer.
- the structure can be any component of a refrigerator and/or freezer.
- the structure is an injection molded part.
- the injection molding tool for the injection molded part can preferably be designed simply without a slide. This means that the injection molded parts are cheaper to produce and easier to recycle.
- the element is a plate and that the plate has a number of openings in the form of elongated holes which are arranged on the edge area of the plate.
- the alignment of the elongated holes is preferably such that the shrinkage tolerances are compensated.
- the foam can be insulating foam and can be polyurethane foam.
- the extension is a cylinder attached to the structure, preferably cast on, and widened at its end remote from the structure.
- the cylinder can therefore be cast on and then widened in a further work step so that it is converted into a rivet or mushroom head.
- the element consists at least partially of a material with lower combustibility or with a higher fire resistance than the structure.
- the element covers an opening in the structure.
- the inside 1 Frame 1 to be seen is made by injection molding from a plastic that satisfies classification 5VB according to regulation UL94. A large, flat area is left out in the molded part.
- This recess is, as in 2 recognizable by a plate 2 from cheaper and / or. fire-resistant material, eg made of steel, glass, stone, aluminum-laminated cardboard, etc. or a plastic that meets the 5VA classification according to the UL94 regulation.
- the connection of both parts is foam-tight.
- the plate 2 After demolding the frame 1, the plate 2 is inserted.
- the protruding cylinder is formed into a mushroom head or a rivet head by thermal forming and the plate is thereby fastened by clamping.
- the cylinders can be described as molded rivets, which are then formed in a subsequent operation.
- In 3 are the cylinders 3 in non-formed condition and in 2 the cylinders 3 can be seen in the formed state.
- the construction of the frame 1, in particular with the large recess, leads to the advantages of a lower locking force and shorter cycle times due to faster filling and cooling during injection molding.
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102021134065.9A DE102021134065A1 (de) | 2021-12-21 | 2021-12-21 | Kühl- und/oder Gefriergerät |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4202325A1 true EP4202325A1 (fr) | 2023-06-28 |
Family
ID=84537304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22213705.1A Pending EP4202325A1 (fr) | 2021-12-21 | 2022-12-15 | Appareil de refroidissement et/ou de congélation |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP4202325A1 (fr) |
DE (1) | DE102021134065A1 (fr) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5598976U (fr) * | 1978-12-28 | 1980-07-09 | ||
JPS58179491U (ja) * | 1982-05-26 | 1983-12-01 | 株式会社日立製作所 | 冷蔵庫の断熱箱体 |
US7192234B2 (en) * | 2001-05-31 | 2007-03-20 | Illinois Tool Works Inc. | Integral washer and threaded fastener assembly and method for making same |
ES2385804A1 (es) * | 2010-08-31 | 2012-08-01 | Bsh Electrodomesticos España, S.A. | Aparato refrigerador. |
EP2936014B1 (fr) * | 2012-12-18 | 2017-03-08 | BSH Hausgeräte GmbH | Appareil de froid ménager |
EP3447416A1 (fr) * | 2017-08-21 | 2019-02-27 | Liebherr-Hausgeräte Ochsenhausen GmbH | Appareil de réfrigération et/ou de congélation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TR201721914A2 (tr) | 2017-12-26 | 2019-07-22 | Bsh Ev Aletleri San Ve Tic As | Bi̇r kompresör i̇çeren ev ti̇pi̇ ci̇haz |
EP3546858B1 (fr) | 2018-03-27 | 2020-11-18 | BSH Hausgeräte GmbH | Appareil électroménager doté d'un bord d'égouttoir de condensation |
-
2021
- 2021-12-21 DE DE102021134065.9A patent/DE102021134065A1/de active Pending
-
2022
- 2022-12-15 EP EP22213705.1A patent/EP4202325A1/fr active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5598976U (fr) * | 1978-12-28 | 1980-07-09 | ||
JPS58179491U (ja) * | 1982-05-26 | 1983-12-01 | 株式会社日立製作所 | 冷蔵庫の断熱箱体 |
US7192234B2 (en) * | 2001-05-31 | 2007-03-20 | Illinois Tool Works Inc. | Integral washer and threaded fastener assembly and method for making same |
ES2385804A1 (es) * | 2010-08-31 | 2012-08-01 | Bsh Electrodomesticos España, S.A. | Aparato refrigerador. |
EP2936014B1 (fr) * | 2012-12-18 | 2017-03-08 | BSH Hausgeräte GmbH | Appareil de froid ménager |
EP3447416A1 (fr) * | 2017-08-21 | 2019-02-27 | Liebherr-Hausgeräte Ochsenhausen GmbH | Appareil de réfrigération et/ou de congélation |
Also Published As
Publication number | Publication date |
---|---|
DE102021134065A1 (de) | 2023-06-22 |
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Effective date: 20231222 |