EP3207202B2 - Plastischer abstandhalter mit einer schicht mit überlappenden segmenten eines im wesentlichen gasundurchlässigen materials - Google Patents

Plastischer abstandhalter mit einer schicht mit überlappenden segmenten eines im wesentlichen gasundurchlässigen materials Download PDF

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Publication number
EP3207202B2
EP3207202B2 EP15778667.4A EP15778667A EP3207202B2 EP 3207202 B2 EP3207202 B2 EP 3207202B2 EP 15778667 A EP15778667 A EP 15778667A EP 3207202 B2 EP3207202 B2 EP 3207202B2
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EP
European Patent Office
Prior art keywords
layer
spacer
segments
gas
impermeable material
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Application number
EP15778667.4A
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English (en)
French (fr)
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EP3207202A1 (de
EP3207202B1 (de
Inventor
Lars Knudsen
Peter Pedersen
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Rolltech AS
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Rolltech AS
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Application filed by Rolltech AS filed Critical Rolltech AS
Priority to PL15778667.4T priority Critical patent/PL3207202T5/pl
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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

  • 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 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.
  • Such a spacer is e.g. shown in AU 2012/365 511 .
  • 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.
  • 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 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.
  • 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.
  • 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 . In one embodiment, the segments could be positioned in a plastic substance.
  • 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. It is not two different materials that have to be connected which can result in a weak connection.
  • 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)

Claims (7)

  1. Ein Abstandshalter zum Herstellen eines Abstands zwischen Glasscheiben, wobei der Abstandshalter aus einem Plastikmaterial gemacht ist, wobei der Abstandhalter länglich ist und zwei Seitenoberflächen sowie eine obere Oberfläche und eine untere Oberfläche umfasst und wobei mindestens auf die untere Oberfläche des Abstandshalters eine Schicht mit gasundurchlässigen Eigenschaften hinzugefügt ist, dadurch charakterisiert, dass die hinzugefügte Schicht eine Folienschicht ist, die mehrere überlappende Segmente eines im Wesentlichen gasundurchlässigen Materials umfasst, die sich in mindestens eine Richtung erstrecken, wie etwa Flocken.
  2. Ein Abstandhalter gemäß Anspruch 1, wobei die Segmente aus im Wesentlichen gasundurchlässigem Material Glas umfassen.
  3. Ein Abstandhalter gemäß Anspruch 1, wobei die Schicht mehrere Unterschichten von mehreren überlappenden Segmenten eines im Wesentlichen gasundurchlässigen Materials umfasst.
  4. Ein Abstandhalter gemäß Anspruch 3, wobei eine Schicht aus Polymermaterial zwischen einer ersten und einer zweiten der Unterschichten von mehreren überlappenden Segmenten eines im Wesentlichen gasundurchlässigen Materials vorhanden ist.
  5. Ein Abstandhalter gemäß den Ansprüchen 1-4, wobei die Schicht mit gasundurchlässigen Eigenschaften mehrere Unterschichten umfasst, mit einer oberen Unterschicht, die den Abstandshalter berührt, und wobei mindestens die äußerste Unterschicht mehrere überlappende Segmente eines im Wesentlichen gasundurchlässigen Materials umfasst.
  6. Ein Verfahren zur Herstellung eines Abstandshalters gemäß den Ansprüchen 1-5, wobei das Verfahren einen Schritt des Hinzufügens einer Schicht, die mehrere überlappende Segmente eines im Wesentlichen gasundurchlässigen Materials umfasst, umfasst.
  7. Ein Fenster, umfassend Glasscheiben, die voneinander durch eine Abstandshalter gemäß einem der Ansprüche 1-5 auf Abstand gehalten werden.
EP15778667.4A 2014-10-14 2015-10-12 Plastischer abstandhalter mit einer schicht mit überlappenden segmenten eines im wesentlichen gasundurchlässigen materials Active EP3207202B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15778667.4T PL3207202T5 (pl) 2014-10-14 2015-10-12 Plastikowa rozpórka zawierająca warstwę z pokrywającymi się segmentami z materiału zasadniczo nierozpuszczającego gazu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14188807.3A EP3009590A1 (de) 2014-10-14 2014-10-14 Plastischer Abstandhalter mit einer Schicht mit überlappenden Segmenten eines im Wesentlichen gasundurchlässigen Materials
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 (de) 2017-08-23
EP3207202B1 EP3207202B1 (de) 2019-01-30
EP3207202B2 true EP3207202B2 (de) 2023-12-06

Family

ID=51726397

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14188807.3A Withdrawn EP3009590A1 (de) 2014-10-14 2014-10-14 Plastischer Abstandhalter mit einer Schicht mit überlappenden Segmenten eines im Wesentlichen gasundurchlässigen Materials
EP15778667.4A Active EP3207202B2 (de) 2014-10-14 2015-10-12 Plastischer abstandhalter mit einer schicht mit überlappenden segmenten eines im wesentlichen gasundurchlässigen materials

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP14188807.3A Withdrawn EP3009590A1 (de) 2014-10-14 2014-10-14 Plastischer Abstandhalter mit einer Schicht mit überlappenden Segmenten eines im Wesentlichen gasundurchlässigen Materials

Country Status (6)

Country Link
EP (2) EP3009590A1 (de)
DE (1) DE202015009966U1 (de)
DK (1) DK3207202T4 (de)
HU (1) HUE044087T2 (de)
PL (1) PL3207202T5 (de)
WO (1) WO2016058977A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016115023A1 (de) 2015-12-23 2017-06-29 Ensinger Gmbh Abstandhalter für Isolierglasscheiben

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1428657A1 (de) † 2001-09-18 2004-06-16 Tokuyama Corporation Gassperrfilm und gassperrüberzugsmittel sowie verfahren zu deren herstellung
WO2012100961A1 (en) † 2011-01-25 2012-08-02 Technoform Glass Insulation Holding Gmbh Spacer profile and insulating glass unit comprising such a spacer
WO2013104507A1 (de) † 2012-01-13 2013-07-18 Saint-Gobain Glass France Abstandshalter für isolierverglasungen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT852280E (pt) 1996-12-20 2004-04-30 Saint Gobain Vitrage Suisse Ag Espacador para vidraca de isolamento com diversos vidros

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1428657A1 (de) † 2001-09-18 2004-06-16 Tokuyama Corporation Gassperrfilm und gassperrüberzugsmittel sowie verfahren zu deren herstellung
WO2012100961A1 (en) † 2011-01-25 2012-08-02 Technoform Glass Insulation Holding Gmbh Spacer profile and insulating glass unit comprising such a spacer
WO2013104507A1 (de) † 2012-01-13 2013-07-18 Saint-Gobain Glass France Abstandshalter für isolierverglasungen

Also Published As

Publication number Publication date
EP3009590A1 (de) 2016-04-20
PL3207202T5 (pl) 2024-12-09
EP3207202A1 (de) 2017-08-23
HUE044087T2 (hu) 2019-10-28
WO2016058977A1 (en) 2016-04-21
DK3207202T4 (da) 2024-02-12
PL3207202T3 (pl) 2019-07-31
EP3207202B1 (de) 2019-01-30
DK3207202T3 (en) 2019-04-15
DE202015009966U1 (de) 2022-01-26

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