EP3207202B1 - A plastic spacer comprising a layer with overlapping segments of a substantially gas-impermeable material - Google Patents
A plastic spacer comprising a layer with overlapping segments of a substantially gas-impermeable material Download PDFInfo
- Publication number
- EP3207202B1 EP3207202B1 EP15778667.4A EP15778667A EP3207202B1 EP 3207202 B1 EP3207202 B1 EP 3207202B1 EP 15778667 A EP15778667 A EP 15778667A EP 3207202 B1 EP3207202 B1 EP 3207202B1
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- 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.)
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- 125000006850 spacer group Chemical group 0.000 title claims description 85
- 239000000463 material Substances 0.000 title claims description 40
- 239000004033 plastic Substances 0.000 title claims description 11
- 239000011521 glass Substances 0.000 claims description 39
- 239000011888 foil Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 93
- 239000007789 gas Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000005452 bending Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
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
- a plastic spacer comprising a layer with overlapping segments of a substantially gas-impermeable material.
- 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. To reduce the heat conductivity, using plastic material for forming such spacers is possible. 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. In order to solve this problem, 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. Further, when shaping spacers for glazing panes, the spacers are normally bent e.g. in four corners to obtain the squared shape of a pane.
- 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.
- segments are to be understood as pieces of material having dimensions extending in at least one direction and typically comprising several particles of material.
- the segments could e.g. be flakes of material such as glass flakes, metal flakes or similar flakes of gas-impermeable material.
- 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. When bending a spacer in corners to correspond to the shape of a glass pane, then the segments in the layer will still overlap, whereby gas-impermeability is maintained in the corners. Further, the overlapping ensures that a foil with such overlapping segments can be mounted across corners without compromising 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.
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- 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)
Description
- A plastic spacer comprising a layer with overlapping segments of a substantially gas-impermeable material.
- 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.
- It is well known to provide spacers in order to define the spacing between the panes of isolating glazings consisting of a plurality of parallel glass panes spaced by an isolating cavity.
- A plurality of such spacers made of different materials and in different shapes is 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 (IG 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.
- Furthermore, spacers made of metal foils have a high resistance against diffusion of gases and moisture penetration. Within the space between the neighboring glass panes, a gas is arranged, for instance argon, having good isolating properties. In order to avoid any loss of gas, the spacers delimiting the cavity need to be resistant against diffusion of such gaseous elements. Further, 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.
- However, known 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.
To reduce the heat conductivity, using plastic material for forming such spacers is possible. 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. In order to solve this problem, a metal foil layer can be added to the plastic body and such a spacer is e.g. shown inEP 852 280
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.
Further, when shaping spacers for glazing panes, 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. Such a spacer is e.g. shown inAU 2012/365 511 - In accordance with the invention, there is provided 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.
- Throughout this application when referring to segments, segments are to be understood as pieces of material having dimensions extending in at least one direction and typically comprising several particles of material. The segments could e.g. be flakes of material such as glass flakes, metal flakes or similar flakes of gas-impermeable material.
- 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. When bending a spacer in corners to correspond to the shape of a glass pane, then the segments in the layer will still overlap, whereby gas-impermeability is maintained in the corners. Further, the overlapping ensures that a foil with such overlapping segments can be mounted across corners without compromising gas-impermeability.
- In one embodiment, the segments could be added to the spacer by spraying a sprayable substance, where segments are present in the sprayable substance.
- In an embodiment, the layer is a foil layer comprising said segments. Thereby, the segments can be integrated in the foil, and the foil with segments can be made as a separate process.
- In an embodiment, the segments of substantially gas-impermeable material comprises glass. Glass has similar gas-impermeable characteristics as the glass panes resulting in a good insulation.
- In an embodiment, the layer comprises multiple sub layers of multiple overlapping segments of a substantially gas-impermeable material. Thereby, 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.
- In an embodiment, 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. Thereby, 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.
- In an embodiment, 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. Further, by adding segments to the outermost surface, 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.
- Further, 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.
- Further, the invention relates to a window comprising glass panes being mutually spaced by a spacer according to the above.
- The invention is explained in detail below with reference to the drawings, in which
-
Fig. 1 illustrates a cross section of a spacer according to the present invention, -
Fig. 2 illustrates a cross section of a spacer according to the present invention positioned between glass panes, -
Figs. 3A and 3B are illustrations of a layer with overlapping elements seen from the side and the top, respectively, -
Figs. 4A, 4B, 4C illustrate bends in connection with a spacer and the nature of the segment layer when positioned across such bends, -
Figs. 5A, 5B, 5C, 5D illustrate sub layers in a layer with gas-impermeable characteristics positioned on the surface of a spacer. -
Figure 1 shows a cross section of a spacer for creating a space between glass panes according to the invention. The spacer comprises abase body 100 which could be made by plastic, e.g. as a glass fibre reinforcedpolymeric base body 100. The base body comprises two parallel plate contact surfaces 101, 103 which make contact with theglass panes - The pane contact surfaces 103, 105 are connected between an
outer bonding surface 109 and aninner surface 110, and two angled connection surfaces 111, 113 are arranged between the bonding surfaces 103 and 105. Preferably, connectingsurfaces bonding surface 109. The angled shape of thefirst connection surface 111 and the second connectingsurface 113 improves the stability of the entire system, when glass panes have been mounted to thebase body 100 and allow, as shown inFigure 2 , a better adhesion and isolation of the spacer when mounted between glass panes. - On the
bonding surface 109, alayer 115 is attached. 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. In one embodiment, the layer could be attached to thebase 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. - In one embodiment, 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 thebase body 100 and thelayer 115 is positioned between afirst pane 105 and asecond pane 107. In the illustrated embodiment, thelayer 115 is positioned on thebonding surface 109 as well as on the connectingsurfaces glass panes - 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, thelayer 115 as well as an outer insulatinglayer 201 isolate theinner space 203 between the panes and reduce the heat transfer from thebase body 100 into theinner space 203. - In the illustrated embodiment, the
panes 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 thebase body 100. Theinner surface 110 of the base body comprises small openings orpores 102 allowing gas exchange with theinner space 203. -
Figs. 3A and 3B are illustrations of a layer with overlapping elements seen from the side and the top, respectively. Infigure 3A , 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 atsegments figure 3B , 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 atsegments 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 infigure 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 infigure 3B . In one embodiment, 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. Infigure 4A , 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. Alternatively, 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. In
figure 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 thesurface 501 of a spacer. The layer comprises afirst sub layer 503 of overlapping segments, then a sub layer ofpolymeric material 505 and finally another sub layer of overlappingsegments 503. By adding 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. It is further advantageous to end with a segment layer with e.g. glass segments since this surface is the surface that will be contacting the glue for mounting the panes to the profile and by having a glass material at the surface to be connected to glass panes, a glue can be chosen having strong glass to glass capabilities. It is not two different materials that have to be connected which can result in a weak connection. In this example, 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 thesurface 501 of a spacer. The layer comprises afirst sub layer 507 of PET and asecond sub layer 503 of overlapping segments. Thereby, the PET layer caries the segments and is mounted to the spacer surface afterwards. -
Fig. 5C illustrates an embodiment of the layer mounted on thesurface 501 of a spacer. The layer comprises afirst sub layer 507 of PET and asecond sub layer 503 of overlapping segments and finally athird sub layer 507 of PET. Thereby, 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 thesurface 501 of a spacer. The layer comprises afirst sub layer 507 of PET and asecond sub layer 503 of overlapping segments, a third sub layer ofpolymeric material 505, afourth sub layer 503 of overlapping segments, afifth sub layer 507 of PET and finally, asixth sub layer 503 of overlapping segments.
Claims (8)
- A spacer for creating a spacing between glass panes, wherein said spacer is made from a plastic material, said spacer being elongated and comprising two side surfaces as well as atop surface and a bottom surface, and wherein at least to the bottom surface of said spacer a layer with gas-impermeable characteristics has been added characterised in that said added layer comprises multiple overlapping segments of a substantially gas-impermeable material extending in at least one direction, such as flakes.
- A spacer according to claim 1, wherein said layer is a foil layer comprising said segments.
- A spacer according to claims 1-2, wherein said segments of substantially gas-impermeable material comprises glass.
- A spacer according to claims 1-2, wherein said layer comprises multiple sub layers of multiple overlapping segments of a substantially gas-impermeable material.
- A spacer according to claim 4, wherein 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
- A spacer according to claims 1-5, wherein said 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.
- A method of producing a spacer according to claims 1-6, wherein said method comprises a step of adding a layer comprising multiple overlapping segments of a substantially gas-impermeable material.
- A window comprising glass panes being mutually spaced by a spacer according to any of the claims 1-6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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PL15778667T PL3207202T3 (en) | 2014-10-14 | 2015-10-12 | A plastic spacer comprising a layer with overlapping segments of a substantially gas-impermeable material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14188807.3A EP3009590A1 (en) | 2014-10-14 | 2014-10-14 | A plastic spacer comprising a layer with overlapping segments of a substantially gas-impermeable material |
PCT/EP2015/073536 WO2016058977A1 (en) | 2014-10-14 | 2015-10-12 | A plastic spacer comprising a layer with overlapping segments of a substantially gas-impermeable material |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3207202A1 EP3207202A1 (en) | 2017-08-23 |
EP3207202B1 true EP3207202B1 (en) | 2019-01-30 |
EP3207202B2 EP3207202B2 (en) | 2023-12-06 |
Family
ID=51726397
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14188807.3A Withdrawn EP3009590A1 (en) | 2014-10-14 | 2014-10-14 | A plastic spacer comprising a layer with overlapping segments of a substantially gas-impermeable material |
EP15778667.4A Active EP3207202B2 (en) | 2014-10-14 | 2015-10-12 | A plastic spacer comprising a layer with overlapping segments of a substantially gas-impermeable material |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14188807.3A Withdrawn EP3009590A1 (en) | 2014-10-14 | 2014-10-14 | A plastic spacer comprising a layer with overlapping segments of a substantially gas-impermeable material |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP3009590A1 (en) |
DE (1) | DE202015009966U1 (en) |
DK (1) | DK3207202T4 (en) |
HU (1) | HUE044087T2 (en) |
PL (1) | PL3207202T3 (en) |
WO (1) | WO2016058977A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016115023A1 (en) | 2015-12-23 | 2017-06-29 | Ensinger Gmbh | Spacers for insulating glass panes |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK0852280T4 (en) | 1996-12-20 | 2009-10-05 | Saint Gobain | Spacer for multi-layer double glazing |
WO2003024714A1 (en) † | 2001-09-18 | 2003-03-27 | Tokuyama Corporation | Gas-barrier film and gas-barrier coating agent, and method for production thereof |
DE102011009359A1 (en) † | 2011-01-25 | 2012-07-26 | Technoform Glass Insulation Holding Gmbh | Spacer profile and insulating disk unit with such a spacer profile |
DK2802726T3 (en) * | 2012-01-13 | 2016-06-27 | Saint Gobain | Spacer for insulating glass. |
-
2014
- 2014-10-14 EP EP14188807.3A patent/EP3009590A1/en not_active Withdrawn
-
2015
- 2015-10-12 DE DE202015009966.1U patent/DE202015009966U1/en active Active
- 2015-10-12 DK DK15778667.4T patent/DK3207202T4/en active
- 2015-10-12 EP EP15778667.4A patent/EP3207202B2/en active Active
- 2015-10-12 HU HUE15778667 patent/HUE044087T2/en unknown
- 2015-10-12 PL PL15778667T patent/PL3207202T3/en unknown
- 2015-10-12 WO PCT/EP2015/073536 patent/WO2016058977A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
HUE044087T2 (en) | 2019-10-28 |
EP3207202A1 (en) | 2017-08-23 |
PL3207202T3 (en) | 2019-07-31 |
DK3207202T3 (en) | 2019-04-15 |
EP3207202B2 (en) | 2023-12-06 |
WO2016058977A1 (en) | 2016-04-21 |
EP3009590A1 (en) | 2016-04-20 |
DK3207202T4 (en) | 2024-02-12 |
DE202015009966U1 (en) | 2022-01-26 |
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