EP3009590A1 - Élément d'écartement en plastique comprenant une couche avec chevauchement des segments d'un matériau sensiblement imperméable aux gaz - Google Patents
Élément d'écartement en plastique comprenant une couche avec chevauchement des segments d'un matériau sensiblement imperméable aux gaz Download PDFInfo
- Publication number
- EP3009590A1 EP3009590A1 EP14188807.3A EP14188807A EP3009590A1 EP 3009590 A1 EP3009590 A1 EP 3009590A1 EP 14188807 A EP14188807 A EP 14188807A EP 3009590 A1 EP3009590 A1 EP 3009590A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- spacer
- segments
- gas
- glass
- 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.)
- Withdrawn
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Classifications
-
- 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
- E06B3/66314—Section members positioned at the edges of the glazing unit of tubular shape
- E06B3/66319—Section members positioned at the edges of the glazing unit of tubular shape of rubber, plastics or similar materials
Definitions
- the present invention relates to a spacer for creating a spacing between glass panes.
- the present invention further relates to a method of manufacturing a spacer and a window comprising glass panes being mutually spaced by a spacer.
- spacers made of different materials and in different shapes are known in the art. Spacers made by roll forming of a metal foil are widely used in the art and considered one of the preferred alternatives. This is because of their stability and their low gas diffusion properties.
- Insulating Glass Units having a plurality of glass panes are made by automatic manufacturing machines. Spacers are automatically bent to the desired size and shape and are arranged between two neighboring glass panes. Spacers made of metal foils can be easily bent and will remain in the bent position.
- spacers made of metal foils have a high resistance against diffusion of gases and moisture penetration.
- a gas is arranged, for instance argon, having good isolating properties.
- the spacers delimiting the cavity need to be resistant against diffusion of such gaseous elements.
- an advantage with metal spacers is that a good connection can be obtained between the glazing panes and the spacers due to glue being a good binder to both glass and metal.
- spacers which are exclusively made of metal such as aluminum and galvanized steel, also have some disadvantages. Due to a relatively high heat conductivity of metal, spacers made of a metal still have a heat conductivity which may be too high under certain circumstances.
- plastic material for forming such spacers.
- Plastic material has, however, relatively high gas diffusion as compared to metal. Further, it is difficult to obtain a good binding between the plastic spacers and the glazing panes which may result in the spacer loosing connection to the glazing panes over time.
- a metal foil layer can be added to the plastic body and such a spacer is e.g. shown in EP 852 280 .
- the foil When adding foil to the surface of a spacer, the foil is added to cover both the lower surface as well as at least part of the side surface. This is done by adding a foil to the lower surface and then bending the foil upwards on each side. This bending of the foil can result in a weakening of the foil properties, whereby e.g. the argon gas between the pane layers may diffuse through such weak points.
- the spacers are normally bent e.g. in four corners to obtain the squared shape of a pane.
- This bending of spacers made from plastic with a foil layer is problematic since the bending of the spacer could results in cracks in the thin foil layer, whereby properties of the profile is weakened at least in the corners and e.g. the argon gas between the pane layers diffuses through such cracks.
- the profile shape could be obtained by interconnecting a series of straight pieces via corner elements.
- Disadvantages of this are that production time and complexity are increased and further, corner elements in a spacer profile for a glass pane weakens the properties of the profile.
- a spacer for creating a spacing between glass panes, wherein said spacer is made of a plastic material, said spacer being elongated and comprising two side surfaces as well as a top surface and a bottom surface, and wherein at least the bottom surface comprises a layer with gas-impermeable characteristics.
- the layer comprises multiple overlapping segments of a substantially gas-impermeable material. By letting the segments overlap, it is ensured that gas-impermeability of the spacer is significantly increased. Further, the overlapping of segments results in that a spacer with such a layer can be bent without compromising the gas-impermeability.
- the segments could be added to the spacer by spraying a sprayable substance, where segments are present in the sprayable substance.
- the layer is a foil layer comprising said segments.
- the segments can be integrated in the foil, and the foil with segments can be made as a separate process.
- the segments of substantially gas-impermeable material comprises glass.
- Glass has similar gas-impermeable characteristics as the glass panes resulting in a good insulation.
- the layer comprises multiple sub layers of multiple overlapping segments of a substantially gas-impermeable material.
- the gas-impermeability is further enhanced and by further adding other types of layers e.g. between the multiple sub layers, specific properties can be obtained.
- a layer of polymeric material is present between a first and a second of said sub layers of multiple overlapping segments of a substantially gas-impermeable material.
- the polymeric material which could be a glue or another substance, further closes any gaps, which could be present between segments, and this enhances the gas-impermeability of the layer further.
- the layer with gas-impermeable characteristics comprises multiple sub layers with a top sub layer contacting the spacer, and wherein at least the outermost sub layer comprises multiple overlapping segments of a substantially gas-impermeable material.
- segments could be chosen which further enhance the bonding properties of the outer surface of the spacer. For instance, if glass segments are added to the outermost surface of the spacer, then the main part of the outer surface of the spacer comprises glass and thereby, the connection between spacer and panes is a glass to glass connection, whereby a good bonding is possible since a material optimised for bonding glass can be used.
- the invention relates to a method of producing a spacer according to the above, wherein said method comprises a step of adding a layer comprising multiple overlapping segments of a substantially gas-impermeable material.
- the invention relates to a window comprising glass panes being mutually spaced by a spacer according to the above.
- Figure 1 shows a cross section of a spacer for creating a space between glass panes according to the invention.
- the spacer comprises a base body 100 which could be made by plastic, e.g. as a glass fibre reinforced polymeric base body 100.
- the base body comprises two parallel plate contact surfaces 101, 103 which make contact with the glass panes 105, 107.
- the spacer is a fibreglass reinforced polymeric base.
- the pane contact surfaces 103, 105 are connected between an outer bonding surface 109 and an inner surface 110, and two angled connection surfaces 111, 113 are arranged between the bonding surfaces 103 and 105.
- connecting surfaces 111, 113 extend at an angle ⁇ typically being between 30 and 60 degrees relative to the bonding surface 109.
- the angled shape of the first connection surface 111 and the second connecting surface 113 improves the stability of the entire system, when glass panes have been mounted to the base body 100 and allow, as shown in Figure 2 , a better adhesion and isolation of the spacer when mounted between glass panes.
- a layer 115 is attached on the bonding surface 109.
- the layer has gas-impermeable characteristics, whereby gas diffusion through such a layer is at least reduced and could in one embodiment comprise multiple overlapping segments of a substantially gas-impermeable material.
- the layer could be attached to the base body 100 with PUR hot melt glue.
- Alternative methods of attaching a layer could be by adding a foil with a layer which is melted and then stiffened for attachment to the spacer.
- Yet another embodiment of adding a layer could be by spraying a layer onto the spacer and thereby obtain a gas-impermeable layer. The sprayed substance has gas-impermeable characteristics.
- the segments of impermeable material could be glass segments, but alternative embodiments could be ceramic segments or other materials having a low gas-permeability.
- Figure 2 shows a cross section of a spacer according to the present invention positioned between glass panes.
- the spacer comprising the base body 100 and the layer 115 is positioned between a first pane 105 and a second pane 107.
- the layer 115 is positioned on the bonding surface 109 as well as on the connecting surfaces 111 and 113. Further, the layer continues at least partly upwards along the bonding surfaces 101 and 103, e.g. 2/3 of the height of the bonding surfaces.
- An adhesive layer is positioned between the contact surfaces 101, 103 of the spacer and the glass panes 105, 107. In an embodiment, this adhesive layer could comprise be butyl.
- the bonding between the bonding surfaces 101 and 103 and the panes is mainly to remove or reduce gas leak between the bonding surfaces 101, 103, 105, 107 and typically, butyl is used as a bonding agent to ensure this.
- the layer e.g. a foil layer
- the end point of the added layer is also covered by bonding agent, and this minimises the risk of gas leaks below the layer between the spacer surface and the layer.
- An insulating layer 201 is positioned in the space below the spacer and further ensures that the entire pane-spacer construction is mechanically stable and further, the layer 115 as well as an outer insulating layer 201 isolate the inner space 203 between the panes and reduce the heat transfer from the base body 100 into the inner space 203.
- the panes 105 and 107 have the same dimensions and thicknesses.
- drying means are positioned in the space 205 inside the base body.
- the drying means may be incorporated both within the central cavity of the base body 100 or in the material of the base body 100.
- the inner surface 110 of the base body comprises small openings or pores 102 allowing gas exchange with the inner space 203.
- Figs. 3A and 3B are illustrations of a layer with overlapping elements seen from the side and the top, respectively.
- a side view of a layer of segments is illustrated, and it can be seen how the segments overlap each other, e.g. by looking at segments 301 and 303.
- a top view of a layer of segments is illustrated, and it can be seen how the segments overlap each other, e.g. by looking at segments 301 and 303.
- the segments could be glass segments, such as ceramic segments, SiOx segments or similar.
- the segments should be in a material being substantially gas-impermeable in such a way that it reduces the gas diffusion through the spacer at least significantly.
- the segments in the layer could also be a combination of segments made from different materials, e.g. to obtain certain properties of the complete layer.
- the segments could be made from metal.
- Figures 3A and 3B are for illustrating the segments in the layer and more specifically to illustrate both how they overlap and how that they are positioned in a layer. The distance between segments as illustrated in figure 3A is much smaller than illustrated, where they could even touch each other to avoid gas leaking between segments. Further the segments are smaller than illustrated in figure 3B .
- the segments could be positioned in a plastic substance. Alternatively, the segments could be sprayed directly onto the spacer surfaces.
- Figs. 4A, 4B, 4C illustrate bends in connection with a spacer and the nature of the segment layer when positioned across such bends.
- overlapping segments are illustrated, where the segments are in a relaxed layer in I, wherein the same segments are in a stretched layer in II. From this illustration, it can be seen that due to the overlapping of the segments, the overlapping is maintained when stretched. Since the segments are of a substantially gas-impermeable material, the overlapping further ensures that gas cannot pass though the layer between the segments.
- the stretching occurs due the mounting of the layer across an edge of the profile, e.g. such as the edges of the spacer shown in B1, B2, B3 and B4.
- the stretching occurs when bending a spacer, where foil has been mounted, e.g. to obtain the shape of panes to be separated by the spacer.
- FIG 4C a spacer, which has been shaped to be positioned between panes, is illustrated, where the spacer has been bent in each corner C1, C2, C3 and C4 for positioning between square shaped panes.
- Figs. 5A, 5B, 5C, 5D illustrate sub layers in a layer with gas-impermeable characteristics positioned on the surface of a spacer.
- Fig. 5A illustrates an embodiment of the layer mounted on the surface 501 of a spacer.
- the layer comprises a first sub layer 503 of overlapping segments, then a sub layer of polymeric material 505 and finally another sub layer of overlapping segments 503.
- a polymeric material between two segment layers e.g. as a glue
- any openings in the segment layer will be filled with polymeric material and thereby further enhance the insulation properties of the segment sub layers.
- a glue can be chosen having strong glass to glass capabilities.
- the overlapping segments have been added directly to the spacer surface e.g. by spraying which is a simple way of adding a layer. PET foils are avoided as they can be quite fragile.
- Fig. 5B illustrates an embodiment of the layer mounted on the surface 501 of a spacer.
- the layer comprises a first sub layer 507 of PET and a second sub layer 503 of overlapping segments.
- the PET layer caries the segments and is mounted to the spacer surface afterwards.
- Fig. 5C illustrates an embodiment of the layer mounted on the surface 501 of a spacer.
- the layer comprises a first sub layer 507 of PET and a second sub layer 503 of overlapping segments and finally a third sub layer 507 of PET.
- the third PET sub layer protects the overlapping segments ensuring that the segments are not worn out during handling of the spacer with the layers.
- a further layer op either aluminum or glass could be added to ensure better connection properties of the spacer to the panes.
- Fig. 5D illustrates an embodiment of the layer mounted on the surface 501 of a spacer.
- the layer comprises a first sub layer 507 of PET and a second sub layer 503 of overlapping segments, a third sub layer of polymeric material 505, a fourth sub layer 503 of overlapping segments, a fifth sub layer 507 of PET and finally, a sixth sub layer 503 of overlapping segments.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Joining Of Glass To Other Materials (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14188807.3A EP3009590A1 (fr) | 2014-10-14 | 2014-10-14 | Élément d'écartement en plastique comprenant une couche avec chevauchement des segments d'un matériau sensiblement imperméable aux gaz |
EP15778667.4A EP3207202B2 (fr) | 2014-10-14 | 2015-10-12 | Élément d'écartement en plastique comprenant une couche avec chevauchement des segments d'un matériau sensiblement imperméable aux gaz |
DK15778667.4T DK3207202T4 (da) | 2014-10-14 | 2015-10-12 | Plastafstandselement omfattende et lag med overlappende segmenter af et i alt væsentligt gasuigennemtrængeligt materiale |
PL15778667T PL3207202T3 (pl) | 2014-10-14 | 2015-10-12 | Plastikowa rozpórka zawierająca warstwę z pokrywającymi się segmentami z zasadniczo nierozpuszczającego gazu materiału |
DE202015009966.1U DE202015009966U1 (de) | 2014-10-14 | 2015-10-12 | Ein Abstandhalter aus Plastik, umfassend eine Schicht mit überlappenden Segmenten eines im Wesentlichen gasundurchlässigen Materials |
HUE15778667 HUE044087T2 (hu) | 2014-10-14 | 2015-10-12 | Lényegében gáz át nem eresztõ anyagot tartalmazó, egymást átfedõ szegmensekkel bíró mûanyag távtartó |
PCT/EP2015/073536 WO2016058977A1 (fr) | 2014-10-14 | 2015-10-12 | Élément d'espacement en plastique comprenant une couche avec des segments se chevauchant d'un matériau sensiblement imperméable aux gaz |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14188807.3A EP3009590A1 (fr) | 2014-10-14 | 2014-10-14 | Élément d'écartement en plastique comprenant une couche avec chevauchement des segments d'un matériau sensiblement imperméable aux gaz |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3009590A1 true EP3009590A1 (fr) | 2016-04-20 |
Family
ID=51726397
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14188807.3A Withdrawn EP3009590A1 (fr) | 2014-10-14 | 2014-10-14 | Élément d'écartement en plastique comprenant une couche avec chevauchement des segments d'un matériau sensiblement imperméable aux gaz |
EP15778667.4A Active EP3207202B2 (fr) | 2014-10-14 | 2015-10-12 | Élément d'écartement en plastique comprenant une couche avec chevauchement des segments d'un matériau sensiblement imperméable aux gaz |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15778667.4A Active EP3207202B2 (fr) | 2014-10-14 | 2015-10-12 | Élément d'écartement en plastique comprenant une couche avec chevauchement des segments d'un matériau sensiblement imperméable aux gaz |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP3009590A1 (fr) |
DE (1) | DE202015009966U1 (fr) |
DK (1) | DK3207202T4 (fr) |
HU (1) | HUE044087T2 (fr) |
PL (1) | PL3207202T3 (fr) |
WO (1) | WO2016058977A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10633914B2 (en) | 2015-12-23 | 2020-04-28 | Ensinger Gmbh | Spacer for insulating glass panes |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0852280A1 (fr) | 1996-12-20 | 1998-07-08 | Saint-Gobain Vitrage Suisse AG | Entretoise pour vitrage multiple |
AU2012365511A1 (en) * | 2012-01-13 | 2014-07-17 | Saint-Gobain Glass France | Spacer for insulating glazing units |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7157147B2 (en) † | 2001-09-18 | 2007-01-02 | Tokuyama Corporation | Gas-barrier film and gas-barrier coating agent, and method for production thereof |
DE102011009359A1 (de) † | 2011-01-25 | 2012-07-26 | Technoform Glass Insulation Holding Gmbh | Abstandshalterprofil und Isolierscheibeneinheit mit einem solchen Abstandshalterprofil |
-
2014
- 2014-10-14 EP EP14188807.3A patent/EP3009590A1/fr not_active Withdrawn
-
2015
- 2015-10-12 EP EP15778667.4A patent/EP3207202B2/fr active Active
- 2015-10-12 WO PCT/EP2015/073536 patent/WO2016058977A1/fr active Application Filing
- 2015-10-12 PL PL15778667T patent/PL3207202T3/pl unknown
- 2015-10-12 HU HUE15778667 patent/HUE044087T2/hu unknown
- 2015-10-12 DE DE202015009966.1U patent/DE202015009966U1/de active Active
- 2015-10-12 DK DK15778667.4T patent/DK3207202T4/da active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0852280A1 (fr) | 1996-12-20 | 1998-07-08 | Saint-Gobain Vitrage Suisse AG | Entretoise pour vitrage multiple |
AU2012365511A1 (en) * | 2012-01-13 | 2014-07-17 | Saint-Gobain Glass France | Spacer for insulating glazing units |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10633914B2 (en) | 2015-12-23 | 2020-04-28 | Ensinger Gmbh | Spacer for insulating glass panes |
Also Published As
Publication number | Publication date |
---|---|
EP3207202B1 (fr) | 2019-01-30 |
EP3207202B2 (fr) | 2023-12-06 |
EP3207202A1 (fr) | 2017-08-23 |
PL3207202T3 (pl) | 2019-07-31 |
HUE044087T2 (hu) | 2019-10-28 |
DE202015009966U1 (de) | 2022-01-26 |
DK3207202T4 (da) | 2024-02-12 |
DK3207202T3 (en) | 2019-04-15 |
WO2016058977A1 (fr) | 2016-04-21 |
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