EP3393308A1 - Isolierglaselement für ein kühlmöbel - Google Patents
Isolierglaselement für ein kühlmöbelInfo
- Publication number
- EP3393308A1 EP3393308A1 EP16825732.7A EP16825732A EP3393308A1 EP 3393308 A1 EP3393308 A1 EP 3393308A1 EP 16825732 A EP16825732 A EP 16825732A EP 3393308 A1 EP3393308 A1 EP 3393308A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insulating glass
- glass element
- disc
- flat
- spacers
- 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
Links
- 239000011521 glass Substances 0.000 title claims abstract description 111
- 238000005057 refrigeration Methods 0.000 title abstract 2
- 125000006850 spacer group Chemical group 0.000 claims abstract description 83
- 239000000919 ceramic Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 25
- 239000000565 sealant Substances 0.000 claims description 24
- 239000002274 desiccant Substances 0.000 claims description 22
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 17
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 17
- -1 polyethylene Polymers 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 14
- 230000001070 adhesive effect Effects 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 13
- 239000004417 polycarbonate Substances 0.000 claims description 12
- 229920000515 polycarbonate Polymers 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 9
- 239000004814 polyurethane Substances 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 229920001684 low density polyethylene Polymers 0.000 claims description 7
- 239000004702 low-density polyethylene Substances 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000004715 ethylene vinyl alcohol Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 90
- 239000010408 film Substances 0.000 description 39
- 230000004888 barrier function Effects 0.000 description 22
- 239000000463 material Substances 0.000 description 19
- 239000007789 gas Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 229910052814 silicon oxide Inorganic materials 0.000 description 9
- 239000003365 glass fiber Substances 0.000 description 8
- 239000013047 polymeric layer Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 6
- 238000011105 stabilization Methods 0.000 description 6
- 229920002367 Polyisobutene Polymers 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000011145 styrene acrylonitrile resin Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 150000008360 acrylonitriles Chemical class 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000012216 bentonite Nutrition 0.000 description 1
- 239000011173 biocomposite Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 239000012939 laminating adhesive Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 230000000414 obstructive effect Effects 0.000 description 1
- 150000008116 organic polysulfides Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920005554 polynitrile Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920002631 room-temperature vulcanizate silicone Polymers 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000003707 silyl modified polymer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 229920000638 styrene acrylonitrile Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0426—Details
- A47F3/0434—Glass or transparent panels
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66361—Section members positioned at the edges of the glazing unit with special structural provisions for holding drying agents, e.g. packed in special containers
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66371—Section members positioned at the edges of the glazing unit positioned entirely outside the gap between the panes
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
- E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B2003/6638—Section members positioned at the edges of the glazing unit with coatings
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/673—Assembling the units
- E06B3/67339—Working the edges of already assembled units
- E06B3/67356—Covering the edges with bands or profiles
Definitions
- the invention relates to an insulating glass element for a refrigerated cabinet, a door for a refrigerated cabinet, a method for producing such an insulating glass element and its use.
- Refrigerated shelves or refrigerators with transparent doors are widely used to display and present refrigerated goods to customers.
- the goods are kept at temperatures below 10 ° C in the refrigerator and thus protected against rapid deterioration.
- insulating glass elements are often used as doors.
- Transparent doors allow you to view the goods without having to open the cabinets or shelves.
- Each opening of the doors leads to an increase in the temperature in the cooling rack and thus exposes the goods to the risk of heating. It is therefore desirable to present the goods so that the number of opening operations is minimized. For this it is important that the view through the closed doors is restricted as little as possible.
- the view is obstructed, at least in the edge region, by elements of the non-transparent surrounding door frame.
- the door frame conceals the likewise non-transparent peripheral edge composite in conventional insulating glass elements.
- the edge bond of an insulating glass element usually comprises at least one circumferential spacer, moisture-binding desiccant and a primary sealant for fixing the spacer between the discs and a secondary sealant which stabilizes the edge seal and additionally seals.
- These components are usually not transparent, that is in the area of the peripheral edge compound, visibility is limited.
- a refrigerator which comprises two insulating glass elements as doors, which contains a transparent spacer element on at least one vertical side and on this side no frame element.
- the spacer element is designed as a T-shaped cross-sectional profile, which simultaneously fulfills a supporting and a sealing function.
- the spacer element is designed as a one-piece, solid profile, which is produced by extrusion.
- Another approach is described in WO2014 / 198549 A1.
- transparent spacer elements are used, which are arranged between the discs at least on one vertical side.
- the transparent spacer elements are fixed with transparent sealing means between the panes.
- the object of the present invention is to provide an improved insulating glass element for a refrigerated cabinet, which has the largest possible viewing area and at the same time high stability, to provide a door for a refrigerated cabinet, and also to provide a simplified method for producing an insulating glass element.
- the insulating glass element according to the invention for a refrigerated cabinet comprises at least a first pane and a second pane spaced therefrom.
- the first disc has two opposing parallel horizontal edges and two opposing parallel vertical edges.
- the second disc also has two opposing parallel horizontal edges and two opposing parallel vertical edges.
- Between the first disc and the second disc at least two horizontally arranged spacers are mounted.
- the spacers define the distance between the first disc and the second disc and are part of the edge seal of the insulating glass element.
- On the vertically extending edges of the first disc and the vertical edges of the second disc two vertically arranged flat profiles are attached.
- a first flat profile is mounted on a vertical edge of the first disc and on a vertical edge of the second disc.
- the second flat profile is attached on the opposite parallel edges of the first and second discs.
- the two flat profiles do not extend into an area between the two panes, ie the two flat profiles are not spacers arranged between the two panes.
- the flat profiles increase the mechanical stability of the insulating glass element and keep the two panes at a distance.
- the spacers and the flat profiles are arranged so that they have an inner space between the first disc and the second disc lock in.
- the inner space between the panes of the two spacers and the two flat profiles is directly or directly limited, ie, the two spacers and the two flat profiles represent a direct boundary (direct boundary) of the inner pane clearance.
- the spacers are arranged in the edge region of the discs, so that the inner space between the panes is as large as possible.
- At least one of the two flat profiles is transparent. This has the advantage that there is no visual barrier along at least one vertical edge so that the viewing area is maximized.
- the invention provides an insulating glass element, which does not have any obstructive edge bond in the region of the vertical edges.
- the flat profiles on the outside of the vertical edges allow a clear view up to the edge of the pane. Since at least one of the flat profiles is made transparent, the unrestricted view through the pane is possible at least on one vertical edge.
- the flat profiles contribute to increased stability of the insulating glass element, so that, surprisingly, use of the door without an additional stabilizing frame element in the region of the vertical edge is possible.
- edges of the discs denote the glass edges, which correspond substantially to the cut edges of the discs. In the simplest case, the edge forms an angle of 90 ° with the surfaces of the disc.
- the edges are preferably polished or ground. In comparison to broken edges, a secure and simple attachment is possible here. At least the vertical edges of the first disc and the second disc are arranged flush, that is, they are at the same height, so that the flat profile can be stably fixed on the two edges.
- the terms horizontal and vertical refer to the orientation of the edges to each other.
- the two horizontal edges of a disc denote the opposite edges.
- the horizontal edges subtend an angle of substantially 90 ° with the vertical edges.
- the two vertical edges are opposite each other.
- the horizontal edges denote the upper and lower edges.
- the vertical edges in this case are the right and left edges.
- Transparent in the sense of the invention means that the material is transparent. An observer can recognize the objects arranged behind the material layer.
- the material is thus translucent and preferably has a light transmission in the visible spectrum of at least 70%, more preferably of at least 80%.
- the material has the lowest possible light scattering (Haze), that is, the Haze value is less than 40%, preferably less than 20%.
- the flat profiles are designed to span the entire distance between the first disc and the second disc and extend beyond the vertical edges of the discs.
- the minimum width of the flat profiles is therefore composed of the distance a between the first disc and the second disc, and the edge width b of the discs, which substantially coincides with the thicknesses of the discs. This design achieves the best optical results.
- the flat profiles can also be wider than the minimum width and embrace the edges of the flat profiles.
- the length c of a flat profile depends on the dimensions of the discs.
- the flat profile is at least as long as the vertical edges of the slices are long.
- the flat profile may be slightly longer and be arranged encompassing, whereby the stability and the tightness of the overall arrangement is improved. Since an edge bond is arranged along the horizontal edges, which is not transparent, in this case an overlapping flat profile does not result in an optical disadvantage for the overall appearance.
- Suitable non-transparent flat profiles are described in DE 602 24 695 T2.
- flat profiles made of metals or plastic films with metallic coating are disclosed.
- the metallic coating on plastic films is applied to provide adequate sealing and to prevent ingress of moisture or loss of gas filling.
- the flat profiles disclosed in DE 602 24 695 T2 are not suitable as transparent flat profiles.
- the at least one transparent flat profile comprises at least one polymeric base film and a ceramic one Additional layer.
- Transparent polymeric base films are available at low cost.
- the ceramic additional layer can be applied as a transparent layer and contributes to the necessary gas diffusion density and moisture diffusion density of the flat profile.
- the structure of polymeric base film and ceramic additional layer allows the production of a transparent flat profile.
- the at least one transparent flat profile comprises at least one polymeric base film and at least one transparent metallic additional layer.
- Transparent metallic additional layers improve the gas diffusion density and the moisture diffusion density of the flat profile.
- the at least one transparent flat profile comprises at least one polymeric base film, at least one additional ceramic layer and at least one additional polymeric layer in this order.
- the ceramic additional layer is protected by a polymeric additional layer, so that the tightness is maintained even under mechanical stress.
- the polymeric additive layer may consist of the same materials as the polymeric base film.
- the flat profile to further improve the tightness further polymeric additional layers and additional ceramic layers, which are preferably arranged alternately. The alternating arrangement advantageously ensures a particularly long-lasting improvement in the tightness, since defects in one of the layers are compensated by the remaining layers.
- the adhesion of several thin layers one above the other is easier to realize than the adhesion of a few thick layers.
- the at least one transparent flat profile preferably contains at least one additional polymeric layer and at least two additional ceramic layers and / or additional metallic layers which are arranged alternately with the at least one polymeric additional layer. At least two ceramic and / or metallic additional layers ensure that defects in one of the two layers are compensated by the other. For an alternating arrangement, at least one additional polymeric layer is necessary.
- the polymeric base film preferably contains polyethylene (PE), polycarbonates (PC), polyesters, polyurethanes, polymethylmethacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), ethylene-vinyl alcohol (EVOH), PET / PC, and / or copolymers thereof. These materials can be processed well and coated or glued with a ceramic or metallic additional layer. This material selection is also suitable for the polymeric additional layers.
- the polymeric base film is preferably designed as a single-layer film. This is advantageous cost.
- the polymeric base film is designed as a multilayer film. In that case several layers of the materials listed above are glued together. This is advantageous because the material properties can be perfectly matched to the sealants or adhesives used.
- the ceramic additional layers preferably contain silicon oxides (SiO x ) and / or silicon nitrides.
- the ceramic additional layers preferably have a thickness of 20 nm to 200 nm. Layers of this thickness improve the gas diffusion density and moisture diffusion density while maintaining the desired optical properties.
- the ceramic additional layers are preferably deposited on the polymeric base film in a vacuum thin-film method known to those skilled in the art. This technique allows the targeted deposition of defined ceramic additional layers without the use of additional adhesive layers.
- adhesion-promoting adhesive layers include, for example, polyurethane-based transparent adhesive layers.
- the polymeric additional layers preferably have a layer thickness of 5 ⁇ to 80 ⁇ .
- the transparent metallic additional layer preferably contains aluminum, silver, magnesium, indium, tin, copper, gold, chromium and / or alloys or oxides thereof. Particularly preferably, the transparent metallic additional layer contains Indium tin oxide (ITC 1 ), alumina (Al 2 0 3 ) and / or magnesium oxide.
- the metallic additional layer is preferably applied in a thin-film vacuum method and has a thickness of 20 nm to 100 nm, more preferably 50 nm to 80 nm.
- the polymeric base film preferably has a thickness of 0.2 mm to 5 mm, more preferably 0.3 mm to 1 mm. At these thicknesses, sufficient stability is achieved and at the same time the visual appearance of the insulating glass element is not degraded by a thicker flat profile.
- the MVTR (moisture vapor transmission rate) value of the flat profiles is between 0.05 g / (m 2 d) and 0.001 g / (m 2 d) [grams per square meter and day].
- the MVTR value is a measurement that indicates the permeability of water vapor through the flat profile. It describes the amount of water in grams that diffuses through a square meter of material in 24 hours. With these values, a particularly good long-term stability of the insulating glass element, in particular when used in refrigerated shelves, is achieved.
- the flat profiles are fastened to the inside at the edges of the two panes via a transparent adhesive.
- the transparent adhesive is preferably moisture-proof in order to allow optimum sealing of the inner space between the panes. More preferably, the transparent adhesive is an acrylate-based, silicone-based or polyurethane-based adhesive. The attachment over these adhesives is very durable and stable and seals the inner space between the panes reliably for a long time.
- Each flat profile has an inside and an outside. The inside faces the inner space between the panes, while the outside faces the surroundings.
- the flat profiles have a sealing layer facing the inside.
- a sealing layer makes it possible to seal the flat profile on the edges of the panes without the necessity of applying an additional adhesive.
- the sealing layer preferably contains or consists of a heat-sealable polymer. A heat-sealable polymer can be easily attached by contacting the surface of the edges and pressing at elevated temperature.
- the sealing layer preferably contains a low-density polyethylene (LDPE). With LDPE, the gas and vapor diffusion density of the insulating glass element is further improved. It is achieved a particularly tight connection between edges and flat profile.
- LDPE low-density polyethylene
- the spacers are fastened by a primary sealing means between the first pane and the second pane.
- the primary sealant serves on the one hand the attachment of the spacer to the discs and on the other hand, the sealing of the edge compound to prevent ingress of moisture into the inner pane clearance and gas loss from the inner pane space out.
- the spacer is preferably arranged so that between the first disc and the second disc, an outer disc space is formed, bounded by the environmental side of the spacer. The discs protrude slightly beyond the spacer so that the outer space between the panes is created.
- the outer space between the panes is filled with a secondary sealant.
- the secondary sealant is used for mechanical stabilization of the insulating glass element by partially absorbing the forces acting on the edge bond. In addition, it seals the edge compound further.
- the secondary sealant polymers or silane-modified polymers more preferably organic polysulfides, silicones, room temperature vulcanizing (RTV) silicone rubber, peroxidischvernetzten silicone rubber and / or addition-crosslinked silicone rubber, polyurethanes and / or butyl rubber.
- RTV room temperature vulcanizing
- these sealants have a particularly good stabilizing effect.
- the primary sealant preferably contains a polyisobutylene.
- the polyisobutylene may be a crosslinking or non-crosslinking polyisobutylene.
- At least one of the spacers contains a desiccant.
- the desiccant may be introduced into the spacer or applied to the spacer.
- the desiccant binds moisture that is present in the inner space between the panes and thus prevents misting of the insulating glass element from the inside.
- the attachment of the desiccant in at least one of the spacers, which are mounted along the horizontal edges, does not lead to an optical impairment of the insulating glass element, since the non-transparent desiccant itself thus located in the already non-transparent running edge area.
- the flat profiles need not be provided with desiccant, as the attachment in at least one of the spacers is sufficient to prevent fogging of the discs.
- the desiccant preferably contains silica gels, molecular sieves, CaCl 2 , Na 2 SO 4 , activated carbon, silicates, bentonites, zeolites and / or mixtures thereof.
- the spacers each comprise a hollow profile with a first side wall, a second side wall arranged parallel thereto, a glazing interior wall, an outer wall and a cavity.
- the cavity is enclosed by the side walls, the glazing interior wall and the exterior wall.
- the glazing interior wall is arranged perpendicular to the side walls and connects the first side wall with the second side wall.
- the side walls are the walls of the hollow profile to which the outer panes of the insulating glass element are attached.
- the first side wall and the second side wall are parallel to each other.
- the glazing interior wall is the wall of the hollow profile, which points in the finished insulating glass element to the inner space between the panes.
- the outer wall is arranged substantially parallel to the glazing interior wall and connects the first side wall to the second side wall.
- the outer wall has in the finished insulating glass element to the outer space between the panes.
- the cavity of the spacer according to the invention leads to a weight reduction compared to a solid-shaped spacer and is at least partially filled with a desiccant.
- the two individual spacers are closed at their two ends in each case with a stopper.
- Each plug comprises a contact surface for connection to a vertical flat profile.
- the contact surface runs parallel to the vertical flat profile.
- the plugs prevent trickling out of the desiccant.
- the stability of the insulating glass element is increased because the flat profiles can not only be glued to the edges, but also with the contact surface of the plug.
- the plugs are preferably made of a polymer, since polymers have an advantageously low thermal conductivity. Suitable are the same materials as for the hollow profile of the spacer.
- the plug is made of a polyamide, which preferably has a glass fiber content of up to 20%.
- the contact surface of the plug is flush with the outer dimensions of the hollow profile.
- This embodiment is material-saving and easily automated to install compared to an embodiment with projecting contact surfaces.
- the contact surface projects beyond the hollow profile in the direction of the outer space between the panes.
- the edge of the contact surface facing the environment is flush with the edges of the discs.
- the outer wall of the hollow profile is the wall opposite the glazing inner wall, facing away from the inner space between the panes in the direction of the outer space between the panes.
- the outer wall preferably runs perpendicular to the side walls.
- the sections of the outer wall closest to the side walls may alternatively be inclined at an angle of preferably 30 ° to 60 ° to the outer wall in the direction of the side walls. This angled geometry improves the stability of the hollow profile and allows a better bonding of the hollow profile with a barrier film.
- a planar outer wall which behaves in its entire course perpendicular to the side walls (parallel to the glazing interior wall), however, has the advantage that the sealing surface between spacers and side walls is maximized and a simpler design facilitates the production process.
- the hollow profile is preferably designed as a rigid hollow profile.
- materials such as metals, polymers, fiber-reinforced polymers or wood in question.
- Metals are characterized by a high gas and vapor tightness, but have a high thermal conductivity. This leads to the formation of a thermal bridge in the region of the edge bond, which can lead to the accumulation of condensation on the facing glass pane at large temperature differences between the cooled interior and ambient temperature. This in turn leads to a visual obstruction on the goods issued in a refrigerated shelf.
- Corresponding spacers are referred to as "warm edge" spacers, however, these low thermal conductivity materials often have inferior properties in terms of gas and vapor tightness.
- a gas and vapor-tight barrier is provided on the outer wall and a part of the side walls.
- the gas- and vapor-proof barrier improves the tightness of the spacer against gas loss and penetration of moisture.
- the barrier is designed as a film.
- This barrier film contains at least one polymeric layer as well as a metallic layer or a ceramic layer.
- the layer thickness of the polymeric layer is between 5 ⁇ m and 80 ⁇ m, while metallic layers and / or ceramic layers having a thickness of 10 nm to 200 nm are used. Within the stated layer thicknesses, a particularly good tightness of the barrier film is achieved.
- the barrier film contains at least two metallic layers and / or ceramic layers, which are arranged alternately with at least one polymeric layer.
- the outer layers are preferably formed by the polymeric layer.
- the alternating layers of the barrier film can be bonded or applied to one another in a variety of methods known in the art. Methods for the deposition of metallic or ceramic layers are well known to those skilled in the art.
- the use of a barrier film with alternating layer sequence is particularly advantageous in terms of the tightness of the system. An error in one of the layers does not lead to a loss of function of the barrier film. By comparison, even a small defect in a single layer can lead to complete failure.
- the application of several thin layers compared to a thick layer is advantageous, since the risk of internal adhesion problems increases with increasing layer thickness.
- thicker layers have a higher conductivity, so that such a film is thermodynamically less suitable.
- the polymeric layer of the film preferably comprises polyethylene terephthalate, ethylene vinyl alcohol, polyvinylidene chloride, polyamides, polyethylene, polypropylene, silicones, acrylonitriles, polyacrylates, polymethyl acrylates and / or copolymers or mixtures thereof.
- the metallic layer preferably contains iron, aluminum, silver, copper, gold, chromium and / or alloys or oxides thereof.
- the ceramic layer of the film preferably contains silicon oxides and / or silicon nitrides.
- the film preferably has a gas permeation of less than 0.001 g / (m 2 h).
- the gas and vapor-tight barrier is designed as a coating.
- This barrier coating contains aluminum, aluminum oxides and / or silicon oxides and is preferably applied via a PVD (physical vapor deposition) method.
- the coating containing aluminum, aluminum oxides and / or silicon oxides gives particularly good results in terms of tightness and additionally exhibits excellent adhesion properties to the secondary sealants used in the insulating glass element.
- the hollow profile is made of polymers, since they have a low thermal conductivity, which leads to improved heat-insulating properties of the edge bond.
- the hollow profile particularly preferably contains biocomposites, polyethylene (PE), polycarbonates (PC), polypropylene (PP), polystyrene, polybutadiene, polynitriles, polyesters, polyurethanes, polymethylmethacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyvinyl chloride ( PVC), more preferably acrylonitrile-butadiene-styrene (ABS), acrylic ester-styrene-acrylonitrile (ASA), acrylonitrile-butadiene-styrene / polycarbonate (ABS / PC), styrene-acrylonitrile (SAN), PET / PC, PBT / PC and / or copolymers or mixtures thereof.
- PE polyethylene
- the hollow profile contains polymers and is glass fiber reinforced.
- the hollow profile preferably has a glass fiber content of 20% to 50%, particularly preferably from 30% to 40%.
- the glass fiber content in the polymeric hollow profile improves strength and stability.
- the hollow profile preferably has a width of 5 mm to 45 mm, preferably of 10 mm to 24 mm, along the glazing interior wall.
- the width is within the meaning of the invention extending between the side walls dimension.
- the width is the distance between the facing away from each other surfaces of the two side walls.
- the exact dimension of the glazing interior wall depends on the dimensions of the insulating glass element and the desired interpane space size.
- the hollow profile preferably has a height of 5 mm to 15 mm along the side walls, particularly preferably of 5 mm to 10 mm.
- the spacer In this area for the height of the spacer has an advantageous stability, but on the other hand advantageous in the insulating glass element inconspicuous.
- the cavity of the spacer on a beneficial size for receiving a suitable amount of desiccant.
- the height is the distance between the opposite surfaces of the outer wall and the glazing interior wall.
- the wall thickness d of the hollow profile is 0.5 mm to 15 mm, preferably 0.5 mm to 10 mm, particularly preferably 0.7 mm to 1, 2 mm.
- the glazing interior wall has at least one opening.
- a plurality of openings in the glazing interior wall are mounted.
- the total number of openings depends on the size of the insulating glass element.
- the openings connect the cavity to the inner space between the panes, allowing gas exchange therebetween.
- a recording of humidity is allowed by a desiccant located in the cavity and thus prevents fogging of the discs.
- the openings are preferably designed as slots, particularly preferably as slots with a width of 0.2 mm and a length of 2 mm. The slots ensure optimal air exchange without the possibility of drying agents penetrating from the cavity into the inner space between the panes.
- the first pane and the second pane of the insulating glass element preferably contain glass and / or polymers, particularly preferably quartz glass, borosilicate glass, soda lime glass, polymethyl methacrylate and / or mixtures thereof.
- the first disc and the second disc have a thickness of 2 mm to 50 mm, preferably 3 mm to 16 mm, both discs can also have different thicknesses.
- the insulating glass element is preferably filled with an inert gas, particularly preferably with a noble gas, preferably argon or krypton, which reduce the heat transfer value in the inner space between the panes.
- the insulating glass element comprises more than two panes.
- the spacer may for example contain grooves in which at least one further disc is arranged. It could also be formed several discs as a laminated glass.
- the invention further relates to a door for a refrigerated cabinet, at least comprising an inventive insulating glass element and two horizontal frame members.
- the horizontal frame members are arranged to obscure the view of the spacers.
- the horizontal frame elements are therefore not transparent, that is they block the view of the edge seal with spacers and sealants. This improves the visual appearance of the door.
- the horizontal frame elements surround at least the horizontal edges of the first disc and the second disc. Thus, the horizontal frame members stabilize the door and also offer the possibility of attaching further fastening means, for example for the window suspension.
- a door handle is preferably arranged on the first disc.
- the first disc is the disc, which points after installation of the door in the refrigerator to the environment, ie in the direction of a customer. Due to the use of the flat profiles along the vertical edges of the insulating glass element, the stability is so high that when using a door handle on the surface of the first pane, the insulating glass element is permanently stable.
- the door handle is preferably glued. This is optically particularly advantageous.
- the frame elements preferably additionally surround part of the vertical edges of the first pane and the second pane as well as the vertical flat profiles. This leads to an additional stabilization of the insulating glass element and reliably prevents premature detachment of the flat profiles in the corner area, in which the vertical edges of the panes adjoin the horizontal edges.
- an additional vertical frame member is mounted, which is mounted on one of the two flat profile and surrounds the edges of the first disc and the second disc at least in partial areas.
- additional elements such as the door hanger can be attached to the vertical frame member.
- the vertical frame element is mounted in the refrigerator on the door opening opposite side of the insulating glass element.
- the at least one transparent frame element is not covered by the vertical frame element.
- the transparent frame element points in the finished refrigerator to the door opening.
- the frame member preferably comprises a metal sheet, more preferably an aluminum or stainless steel sheet. These materials provide good door stabilization and are compatible with typically used edge banding materials.
- the frame member comprises polymers in an alternative preferred embodiment.
- Polymeric frame elements have an advantageously low weight.
- the invention further comprises a process for the preparation of an inventive
- Insulating glass element for a refrigerated shelf comprising the steps:
- the process is preferably carried out in the sequence indicated above.
- a stable connection between the two discs is first prepared and defines the distance between the discs.
- the flat profiles can be fixed on the already aligned edges.
- a secondary sealing agent is preferably applied along the spacers in the outer space between the panes. This serves for the mechanical stabilization of the insulating glass element.
- the invention further comprises a further method for producing an insulating glass element according to the invention for a cooling rack, comprising the steps: Providing a first disc and a second disc,
- This method is particularly suitable for insulating glass elements with a polymer-containing layer on the inside of the flat profile.
- Such flat profiles can be connected to the edges by locally heating the contact point between the flat profile and the glass edge.
- the flat profile is heated to a temperature which is above the melting temperature of the polymer-containing layer. By melting this layer, the attachment is made possible without glue. This simplifies the process by saving a separate production step for applying an adhesive.
- This method is particularly preferred for insulating glass elements with a sealing layer on the inside. Sealing layers are particularly suitable for attachment by heating under pressing.
- This process is preferably also carried out in the sequence indicated above.
- a stable connection between the two discs is first prepared and defines the distance between the discs.
- the flat profiles can be fixed on the already aligned edges.
- a secondary sealing agent is preferably applied along the spacers in the outer space between the panes. This serves for the mechanical stabilization of the insulating glass element.
- the invention further comprises the use of the insulating glass element according to the invention as a door in a refrigerated shelf or in a freezer.
- FIG. 1 shows a plan view of a possible embodiment of an insulating glass element according to the invention
- FIG. 2 shows a plan view of a possible embodiment of a door according to the invention for a refrigerated cabinet
- FIG. 3 shows a cross section of an insulating glass element according to the invention along the sectional plane A drawn in FIG. 1,
- FIG. 4 shows a cross section of an insulating glass element according to the invention along the sectional plane B drawn in FIG. 1,
- FIG. 5 shows a view of a spacer with plug and flat profile provided for an inventive insulating glass element
- FIG. 6 shows a cross section of a possible embodiment of an insulating glass element according to the invention along the sectional plane C drawn in FIG.
- FIG. 7 shows a cross section of a spacer suitable for an inventive insulating glass element
- Insulating glass element Insulating glass element
- FIG. 1 shows a plan view of a possible embodiment of an insulating glass element according to the invention.
- the insulating glass element I has a first disk 1 1 and a parallel and congruent arranged second disk 12.
- the first disk 1 1 has two opposite horizontal edges 14.1 and 14.2 and two opposite vertical edges 17.3 and 17.4.
- the second disc 12 also has two opposite parallel horizontal edges 15.1 (hidden in the drawing) and 15.2 and two opposite vertical edges 18.3 and 18.4.
- an edge seal along the horizontal edges 15.2 and 14.2 arranged, with spacers 13, primary sealant 27 and secondary sealant 28. From the edge bond in the drawing, only the secondary sealant 28 is shown.
- a transparent flat profile 16.3 is mounted on a vertical edge of the first disk 17.3 and on a vertical edge of the second disk 18.3.
- the transparent flat profile 16.3 stabilizes the insulating glass element I and seals the inner space between the panes against the Ingress of foreign bodies and moisture. At the same time, it allows the free view also in the edge region of the insulating glass element I along the closed with the transparent flat profile 16.3 side of the insulating glass I.
- the transparent flat profile 16.3 contains a polymeric base film 19 substantially containing polyethylene terephthalate (PET) with 0.4 mm thickness and a metallic Additional layer 32 of indium tin oxide (ITC 1 ) with a thickness of 50 nm.
- PET polyethylene terephthalate
- ITC 1 indium tin oxide
- the insulating glass element I On the transparent flat profile 16.3 opposite side of the insulating glass element I another transparent flat profile 16.4 is arranged.
- the second flat profile 16.4 is mounted on the vertical edges 17.4 and 18.4 of the first and second discs. Due to the likewise transparent design of the flat profile 16.4, the insulating glass element I has a maximum see-through surface. Only along the horizontal edges of the discs in each case an edge seal with spacer 13 obstructs the view through the edge region of the insulating glass element. At the same time the insulating glass element I is surprisingly highly stable due to the installed flat profiles 16.4 and 16.3.
- FIG. 2 shows a door II according to the invention for a refrigerated shelf.
- the door II comprises two horizontal frame elements 30.1 and 30.2 and an insulating glass element I as shown in FIG.
- the two horizontal frame members 30.1 and 30.2 obscure the view of the horizontal spacers 13.1 and 13.2 and the edge seal with primary and secondary sealing means.
- the horizontal frame members 30.1 and 30.2 are formed from a 0.3 mm thick stainless steel sheet.
- the frame members 30.1 and 30.2 increase the stability of the door II.
- the horizontal frame member 30.2 is at the vertical installation of the door II in a cooling rack above or horizontal installation in a cabinet at the back.
- the horizontal stainless steel sheet 30.2 surrounds the horizontal edges of the first and second disks 14.2 and 15.2.
- the frame member 30.2 also surrounds a portion of the two vertical flat profiles 16.3 and 16.4, which leads to a further improvement in the stability of the door II, since the corners are protected from mechanical stress, which may lead to a partial detachment of one of the flat sections 16.3 or 16.4 could.
- the horizontal frame element 30.1 which would be arranged at the bottom after installation in a cooling rack or when installed in a freezer, is the same structure as the upper or rear frame member 30.2.
- the horizontal frame members 30.1 and 30.2 are glued to the insulating glass element I.
- fastening means such as hinges when installed in a refrigerated shelf can be mounted or rails when used as a sliding door in a freezer.
- a door handle 31, which is glued on the first disc 1 1, allows easy opening and closing of the door. Thanks to the use of the two flat profiles 16.3 and 16.4, the insulating glass element I is so stable that the forces acting on the insulating glass element when opening the door II do not adversely affect the insulating glass element.
- FIG. 3 shows a cross section through an insulating glass element I according to the invention along the sectional plane A, looking at the sectional plane A, as indicated by an arrow in FIG.
- the flat profile 16.4 has an inner side 22 and an outer side 23.
- the inner side 22 faces the inner space between the panes 8 and the outer side 23 faces the outer surroundings.
- the flat profile 16.4 is attached to the inside 22 via a transparent acrylate 24 on the vertical edges 17.4 and 18.4 of the first and second discs 1 1 and 12.
- the flat profile 16.4 is made transparent and consists essentially of a PET layer as a polymeric base film 19 and a ceramic additional layer 20 of silicon oxides.
- the ceramic additional layer 20 is arranged on the inside 22.
- the ceramic additional layer 20 which serves to improve the tightness of the flat profile, optimally protected against damage during installation or during use.
- FIG. 4 shows a cross section through an insulating glass element I according to the invention along the sectional plane B shown in FIG. 1.
- the sectional plane B passes through the spacer 13.1.
- Visible is a hollow profile 1, with a cavity 5, which is filled with desiccant 21.
- a suitable hollow profile 1 is described below.
- the flat profile 16.4 is attached to the vertical edges 17.4 and 16.4, which is shown in FIG.
- the spacer 13.1 is closed at one end with a stopper 25.
- the abutment surface 26 of the plug is connected via a transparent acrylate 24 with the flat profile 16.4.
- the plug 25 prevents trickling out of desiccant 21 and allows a stable bonding of the flat profile 16.4.
- FIG. 5 shows a spacer 13 with a flat profile 16 suitable for installation in an inventive insulating glass element I.
- the spacer 13 has in this example a rectangular cross-section. Alternatively, the spacer 13 may have a different cross section, for example as shown in FIG.
- the cavity 5 of the spacer 13 is filled with a molecular sieve as a desiccant 21.
- the two ends of the spacer 13 are closed with a plug 25.
- the plug 25 is made of, for example, a polyamide.
- the plug 25 includes a part which is inserted into the cavity 5 of the spacer 13 and a contact surface 26 which faces the flat profile 16 in the insulating glass element I.
- the contact surface 26 is provided for the attachment of the flat profile 16.
- the contact surface 26 coincides with the cross section of the hollow profile 1, that is, the contact surface of the plug is flush with the outer dimensions of the hollow profile. This saves material costs for the plug.
- FIG. 6 shows a cross section of an insulating glass element according to the invention along the sectional plane C drawn in FIG. 1 with a viewing direction laterally on the sectional plane C, characterized by an arrow in FIG. 1.
- the first disc 1 1 is connected via a primary sealing means 27 to the first side wall 2.1 of the spacer 13.1, and the second disc 12 is attached via the primary sealing means 27 to the second side wall 2.2.
- the primary sealant 27 contains a crosslinking polyisobutylene.
- the inner space between the panes 8 is located between the first pane 11 and the second pane 12 and is bounded by the glazing interior wall 3 of the spacer 13.1.
- the cavity 5 is filled with a desiccant 21, for example molecular sieve.
- the cavity 5 is connected to the inner space between the panes 8.
- the openings 29 there is a gas exchange between the cavity 5 and the inner space between the panes 8, wherein the desiccant 21 absorbs the humidity from the inner space between the panes 8.
- the first disc 1 1 and the second disc 12 protrude beyond the side walls 2.1 and 2.2, so that an outer disc space 7 is formed, which is located between the first disc 1 1 and second disc 12 and is limited by the outer wall of the spacer 4.
- the horizontal edge 14.1 of the first disc 1 1 and the horizontal edge 15.1 of the second disc 12 are arranged at a height.
- the outer space between the panes 7 is filled with a secondary sealant 28.
- the secondary sealant 28 is, for example, a silicone. Silicones take on the forces acting on the edge bond particularly well and thus contribute to a high stability of the insulating glass element I.
- the first disc 1 1 and the second disc 12 are made of soda-lime glass with a thickness of 3 mm. 7 shows a cross section of a spacer 13 suitable for an insulating glass element according to the invention I.
- the hollow profile 1 comprises a first side wall 2.1, a parallel thereto side wall 2.2, a glazing interior wall 3 and an outer wall 4.
- the glazing interior wall 3 is perpendicular to the side walls 2.1 and 2.2 and connects the two side walls.
- the outer wall 4 lies opposite the glazing inner wall 3 and connects the two side walls 2.1 and 2.2.
- the outer wall 4 extends substantially perpendicular to the side walls 2.1 and 2.2. However, the side walls 2.1 and 2.2 nearest sections of the outer wall 4.1 and 4.2 are inclined at an angle of about 45 0 to the outer wall 4 in the direction of the side walls 2.1 and 2.2. The angled geometry improves the stability of the hollow profile 1 and allows better bonding with the barrier film 6.
- the wall thickness d of the hollow profile is 1 mm.
- the hollow profile 1 has, for example, a height h of 6.5 mm and a width of 15 mm.
- the outer wall 4, the glazing inner wall 3 and the two side walls 2.1 and 2.2 enclose the cavity 5.
- the cavity 5 can accommodate, for example, a desiccant 21.
- the hollow profile 1 is a polymeric glass fiber reinforced hollow profile containing styrene-acrylonitrile (SAN) with about 35 wt .-% glass fiber.
- the polymeric glass fiber reinforced hollow profile 1 is characterized by a particularly low thermal conductivity and at the same time a high stability.
- SAN styrene-acrylonitrile
- the barrier film 6 can be attached to the hollow profile 1, for example with a polyurethane hot melt adhesive.
- the barrier film 6 comprises four polymeric layers of polyethylene terephthalate having a thickness of 12 ⁇ m and three metallic layers of aluminum having a thickness of 50 nm. The metallic layers and the polymeric layers are each mounted alternately, the two outer layers being formed by polymeric layers become.
- FIG 8 shows a cross section of a transparent flat profile suitable for an inventive insulating glass element I.
- the transparent flat profile 16.3 comprises a polymeric base film 19 made of PET with a thickness of 0.5 mm.
- the polymeric base film 19 is connected to a multilayer structure of additional ceramic layers 20 and additional polymeric layers 33 and a sealing layer 34.
- Ceramic additional layers 20 include two 50 nm thick silicon oxide (SiO x ) layers.
- the silicon oxide layers 20 are alternating with two polymeric additional layers 33 of 12 ⁇ thick PET arranged.
- the production of the flat profile can be done, for example, by gluing two 12 ⁇ thick PET films 33 coated with silicon oxide layers 20 with a polyurethane adhesive.
- the silicon oxide layer disposed adjacent to the polymeric base film 19 improves the adhesion to the PET of the polymeric base film 19, which is bonded via a laminating adhesive.
- a sealing layer 34 made of a heat-sealable LDPE is attached on the inner side 22 of the flat profile 16.3, a sealing layer 34 made of a heat-sealable LDPE is attached.
- the sealable LDPE is later followed by a simple attachment of the transparent flat profile 16.3 by heating at the vertical edges (17.3, 17.4, 18.3, 18.4) of the panes of the insulating glass element I.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Architecture (AREA)
- Joining Of Glass To Other Materials (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Refrigerator Housings (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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PL16825732T PL3393308T3 (pl) | 2015-12-21 | 2016-12-20 | Szklany element izolacyjny dla mebla chłodniczego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP15201483 | 2015-12-21 | ||
PCT/EP2016/082042 WO2017108870A1 (de) | 2015-12-21 | 2016-12-20 | Isolierglaselement für ein kühlmöbel |
Publications (2)
Publication Number | Publication Date |
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EP3393308A1 true EP3393308A1 (de) | 2018-10-31 |
EP3393308B1 EP3393308B1 (de) | 2020-08-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16825732.7A Active EP3393308B1 (de) | 2015-12-21 | 2016-12-20 | Isolierglaselement für ein kühlmöbel |
Country Status (13)
Country | Link |
---|---|
US (1) | US10736439B2 (de) |
EP (1) | EP3393308B1 (de) |
JP (1) | JP2019507099A (de) |
KR (1) | KR102089197B1 (de) |
CN (1) | CN108366681A (de) |
BR (1) | BR112018011467B1 (de) |
CL (1) | CL2018001688A1 (de) |
CO (1) | CO2018006409A2 (de) |
ES (1) | ES2833167T3 (de) |
MX (1) | MX2018007537A (de) |
PL (1) | PL3393308T3 (de) |
PT (1) | PT3393308T (de) |
WO (1) | WO2017108870A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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BR112018011467B1 (pt) * | 2015-12-21 | 2022-10-11 | Saint-Gobain Glass France | Elemento de vidro isolante para um gabinete de refrigeração |
DE102016115023A1 (de) * | 2015-12-23 | 2017-06-29 | Ensinger Gmbh | Abstandhalter für Isolierglasscheiben |
US10443300B2 (en) * | 2016-04-05 | 2019-10-15 | Saint-Gobain Glass France | Insulating glass unit for a refrigeration unit |
WO2019141484A1 (de) * | 2018-01-16 | 2019-07-25 | Saint-Gobain Glass France | Isolierverglasung und verfahren zu deren herstellung |
WO2020094380A1 (de) | 2018-11-08 | 2020-05-14 | Saint-Gobain Glass France | Isolierverglasung mit doppeltem abstandhalter |
US11697963B2 (en) * | 2019-05-01 | 2023-07-11 | Oldcastle BuildingEnvelope Inc. | Insulating panel assembly |
WO2021140081A1 (de) * | 2020-01-06 | 2021-07-15 | Saint-Gobain Glass France | Abstandhalter mit verbesserter haftung |
CN113446461A (zh) * | 2020-03-26 | 2021-09-28 | 青岛海尔电冰箱有限公司 | 真空绝热体及保温容器 |
US20230212906A1 (en) * | 2020-05-06 | 2023-07-06 | Vkr Holding A/S | Insulated glass unit with infrared reflecting pigmentation in the mask |
US20220142379A1 (en) * | 2020-11-12 | 2022-05-12 | Hussmann Corporation | Transparent door |
KR20240034238A (ko) * | 2021-08-23 | 2024-03-13 | 쌩-고벵 글래스 프랑스 | 수분장벽이 있는 스페이서 |
US11585150B1 (en) * | 2021-11-12 | 2023-02-21 | Bradley R Campbell | Security insulated glass unit |
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-
2016
- 2016-12-20 BR BR112018011467-7A patent/BR112018011467B1/pt not_active IP Right Cessation
- 2016-12-20 PT PT168257327T patent/PT3393308T/pt unknown
- 2016-12-20 MX MX2018007537A patent/MX2018007537A/es unknown
- 2016-12-20 EP EP16825732.7A patent/EP3393308B1/de active Active
- 2016-12-20 WO PCT/EP2016/082042 patent/WO2017108870A1/de active Application Filing
- 2016-12-20 CN CN201680075314.5A patent/CN108366681A/zh active Pending
- 2016-12-20 US US15/780,040 patent/US10736439B2/en not_active Expired - Fee Related
- 2016-12-20 ES ES16825732T patent/ES2833167T3/es active Active
- 2016-12-20 JP JP2018551514A patent/JP2019507099A/ja not_active Ceased
- 2016-12-20 PL PL16825732T patent/PL3393308T3/pl unknown
- 2016-12-20 KR KR1020187020467A patent/KR102089197B1/ko active IP Right Grant
-
2018
- 2018-06-20 CL CL2018001688A patent/CL2018001688A1/es unknown
- 2018-06-21 CO CONC2018/0006409A patent/CO2018006409A2/es unknown
Also Published As
Publication number | Publication date |
---|---|
KR20180095889A (ko) | 2018-08-28 |
CO2018006409A2 (es) | 2018-08-31 |
ES2833167T3 (es) | 2021-06-14 |
BR112018011467B1 (pt) | 2022-10-11 |
CL2018001688A1 (es) | 2018-10-12 |
MX2018007537A (es) | 2018-09-07 |
PT3393308T (pt) | 2020-11-13 |
BR112018011467A2 (pt) | 2018-12-04 |
KR102089197B1 (ko) | 2020-03-13 |
PL3393308T3 (pl) | 2021-03-08 |
CN108366681A (zh) | 2018-08-03 |
WO2017108870A1 (de) | 2017-06-29 |
US20180344053A1 (en) | 2018-12-06 |
US10736439B2 (en) | 2020-08-11 |
EP3393308B1 (de) | 2020-08-26 |
JP2019507099A (ja) | 2019-03-14 |
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