EP2746518B1 - A two part spacer with overlapping surfaces and method of producing such a spacer - Google Patents

A two part spacer with overlapping surfaces and method of producing such a spacer Download PDF

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Publication number
EP2746518B1
EP2746518B1 EP12198044.5A EP12198044A EP2746518B1 EP 2746518 B1 EP2746518 B1 EP 2746518B1 EP 12198044 A EP12198044 A EP 12198044A EP 2746518 B1 EP2746518 B1 EP 2746518B1
Authority
EP
European Patent Office
Prior art keywords
spacer
overlap
top part
metal foil
overlapping
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.)
Active
Application number
EP12198044.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2746518A1 (en
Inventor
Peter Pedersen
Lars Hegelund Knudsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolltech AS
Original Assignee
Rolltech AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rolltech AS filed Critical Rolltech AS
Priority to EP12198044.5A priority Critical patent/EP2746518B1/en
Priority to PL12198044T priority patent/PL2746518T3/pl
Priority to HUE12198044A priority patent/HUE034295T2/en
Priority to DK12198044.5T priority patent/DK2746518T3/en
Publication of EP2746518A1 publication Critical patent/EP2746518A1/en
Application granted granted Critical
Publication of EP2746518B1 publication Critical patent/EP2746518B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • E06B2003/66385—Section members positioned at the edges of the glazing unit with special shapes
    • 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
    • E06B3/67304—Preparing rigid spacer members before assembly

Definitions

  • the present invention relates to a spacer for forming a spacing between glass panes.
  • the spacer comprises a top part and a lower metal foil, wherein said top part has an inner wall part with overlap surfaces at each end for connecting to said metal foil, and wherein said metal foil has an outer wall part and two lateral sidewalls extending from said outer wall part, and towards said top part.
  • 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 of different shapes are known in the art. Spacers made by roll forming of a metal foil are widely used in the art and considered to be one of the preferred alternatives 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 neighbouring 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 for instance argon having good isolating properties.
  • the spacers delimiting the cavity need to be resistant against diffusion of such gaseous elements.
  • spacers which are exclusively made of metal such as aluminium and galvanized steel have also some disadvantages. Due to a relatively high heat conductivity of metal, spacers made of a metal foil still have a heat conductivity which under certain circumstances may be too high.
  • plastic material for forming such spacers.
  • Plastic material has, however, relatively high gas diffusion as compared to metal. It thus has been suggested to provide a metal foil over a plastic body.
  • Such a spacer is e.g. shown in EP 852 280 .
  • a further problem of spacers made of plastic material is their instability during the manufacturing process.
  • a spacer bent to the desired frame shape may be slightly deformed during assembly because of the resiliency of plastic material. Misalignments of the spacer during manufacturing thus are possible.
  • glass fibre reinforced plastic material in EP 852 280 .
  • plastics spacers including stabilising material in a plastic body have been proposed e.g. in WO 99/15753 or in WO 99/41481 .
  • these solutions have also some disadvantages. In particular, manufacturing is relatively complicated.
  • spacers with a low heat conductivity could be by making the spacers from thin materials, thereby the amount of material is reduced but this also results in a soft and flexible spacer being difficult to handle while mounting between panes.
  • US 5 714 214 describes a spacer which minimises both gas diffusion and heat diffusion by combining two spacer parts from material having different properties.
  • two spacer parts are connected at the top with welding points positioned at the top between two folded overlaps. This is a complex solution to manufacture, both because it is a complex task to combine the two spacer parts and obtain the side overlaps, also because a welding means has to access the space between the two overlap parts for welding the welding points, and finally the subsequent bending of the spacer into a desired frame shape will deform the spacer in a manner which may weaken the weldings.
  • the spacer is stiffened because of this overlap, thereby spacers can be produced of quite thin material e.g. where also the top part is made from a metal foil.
  • the overlapping region at both side of the spacer ensures a stiffer spacer which can be handled easier.
  • the used attachment material e.g. butyl ensures that the attachment is sealed. It is thereby ensured that gas from between the windows cannot pass the spacer through the connection between the top part and the lower metal foil.
  • Further overlapping is present at both sides of the spacer and this also introduces a quite stiff spacer, even if the spacer is made from a thin material.
  • said top part further comprises a second overlap surface at each end, whereby said overlap surfaces at each end of said sidewalls of said metal foil are mutually fastened between said first and second overlap surface at each end of said inner wall part.
  • the spacer further comprises overlap surfaces being substantially parallel to the inner wall part of said top part. Thereby the spacer is further strengthened.
  • the overlap surfaces are substantially parallel to the lateral sidewalls of said metal foil.
  • the top part is made of metal foil. Thereby the spacer becomes very resistant to gas diffusion.
  • the top part is made of a plastic material. Thereby heat conductivity is reduced.
  • said overlapping surfaces are mutually fastened by welding. This has been proven to be a very efficient way of fastening, where the overlap can be mutually fastened by spot welding from one side of the overlapping surfaces.
  • said overlapping surfaces are mutually fastened by gluing.
  • the invention further relates to a method of producing such a spacer for forming a spacing between glass panes, comprising the steps of:
  • the invention further relates to a window comprising glass panes being mutually spaced by a spacer according to the invention.
  • Figure 1 illustrates a sectional view of an embodiment of a spacer 101 for forming a spacing between panes according to the present invention.
  • the spacer 101 comprises a top part 103 and a lower metal foil 105.
  • the top part 103 has an inner wall part 107 with corresponding overlap surfaces at each side being respectively 109, 112 and 110, 111 at each end for connecting to the lower metal foil 105.
  • the top part can be in a thin material being either metal or plastic and could either be made by bending or extrusion. The material chosen influences both heat conductivity and the ability to resist gas diffusion.
  • the lower metal foil 105 has an outer wall part 113 and two lateral legs or sidewalls 115, 117 extending from the outer wall part 113 and towards the top part 103. Each end of said lateral side walls 115, 117 comprises an overlap surface 119 at one side and 121 at the other side being parallel to each overlap surface 109, 111 of the top part 103.
  • the overlap surfaces of respectively the top part and the lower metal foil are substantially parallel to the lateral sidewalls 115, 117 of the metal foil 105 and thereby the side of the spacer ends up having layers of material at each side (in this example three layers) the layers in one side being 111, 119, 110 and in the other side being 112, 121, 109.
  • the overlapping area are quite close to the inner wall and in the top part of the spacer and thereby the overlap surfaces can be mutually fastened in a region closer to the inner wall part than the outer wall part.
  • FIG 2 a sectional view of the spacer 101 of figure 1 mounted between panes 201, 203 are illustrated.
  • the spacer is mounted to the panes using a fastening material 205, 207 being e.g. butyl or another material being suitable for connecting the materials of respectively the sides of the spacer and the panes, further the fastening material should resist gas diffusion.
  • the fastening material is below the overlapping area (encircled area 209, 211) where the two parts are fastened and thereby the only way gas can get from between the two panes 201, 203 and out is through the lower metal foil 113 or through the fastening material 205, 207.
  • FIG 3 an alternative embodiment where only two layers are overlapping parallel to the side walls (encircled areas 209, 211). In this embodiment further overlapping surfaces are present being substantially parallel with the inner wall of the top part.
  • FIG 4 another embodiment is illustrated where two layers are overlapping parallel to the side walls (encircled areas 209, 211).
  • the top part has been bended having peaks 401, 403. It is thereby possible to obtain a larger overlapping area at the top part of the spacer and thereby a better attachment of the two parts.
  • the shaping of the spacer is optimised for influencing the bending properties of the spacer when bending to fit the geometry of the panes.
  • FIG 5 another embodiment of the spacer is illustrated where two layers are overlapping parallel to the side walls (encircled areas 209, 211).
  • both peaks 401, 403 are3 present as well as a further overlapping being substantially parallel with the inner wall of the top part illustrated by respectively 305 and 301 on the lower metal part and 303 and 307 on the top part.
EP12198044.5A 2012-12-19 2012-12-19 A two part spacer with overlapping surfaces and method of producing such a spacer Active EP2746518B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12198044.5A EP2746518B1 (en) 2012-12-19 2012-12-19 A two part spacer with overlapping surfaces and method of producing such a spacer
PL12198044T PL2746518T3 (pl) 2012-12-19 2012-12-19 Dwuczęściowa rozpórka z nakładającymi się powierzchniami
HUE12198044A HUE034295T2 (en) 2012-12-19 2012-12-19 A two-part spacer with overlapping surfaces and a method for manufacturing such spacers
DK12198044.5T DK2746518T3 (en) 2012-12-19 2012-12-19 Two-piece spacer with overlapping surfaces and method of making them

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12198044.5A EP2746518B1 (en) 2012-12-19 2012-12-19 A two part spacer with overlapping surfaces and method of producing such a spacer

Publications (2)

Publication Number Publication Date
EP2746518A1 EP2746518A1 (en) 2014-06-25
EP2746518B1 true EP2746518B1 (en) 2017-03-01

Family

ID=47559158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12198044.5A Active EP2746518B1 (en) 2012-12-19 2012-12-19 A two part spacer with overlapping surfaces and method of producing such a spacer

Country Status (4)

Country Link
EP (1) EP2746518B1 (pl)
DK (1) DK2746518T3 (pl)
HU (1) HUE034295T2 (pl)
PL (1) PL2746518T3 (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104227351A (zh) * 2014-09-05 2014-12-24 苏州萃田精密机械有限公司 一种实用型中空玻璃用铝隔条的制备方法
CN104308470A (zh) * 2014-09-19 2015-01-28 苏州萃田精密机械有限公司 一种改良型中空玻璃用铝隔条的制备方法
EP3728776A1 (fr) * 2017-12-22 2020-10-28 Saint-Gobain Glass France Espaceur pour vitrage isolant
FR3075852A1 (fr) * 2017-12-22 2019-06-28 Saint-Gobain Glass France Espaceur pour vitrage isolant

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5094055A (en) * 1989-06-15 1992-03-10 Gunter Berdan Window glass seal

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5439716A (en) * 1992-03-19 1995-08-08 Cardinal Ig Company Multiple pane insulating glass unit with insulative spacer
DE9214799U1 (pl) 1992-10-31 1992-12-24 Kaufmann Gmbh & Co. Kg, 7963 Altshausen, De
US5514432A (en) * 1993-07-14 1996-05-07 Lisec; Peter Hollow profile for spacer frames for insulating glass panes
US5630306A (en) 1996-01-22 1997-05-20 Bay Mills Limited Insulating spacer for creating a thermally insulating bridge
DK0852280T4 (da) 1996-12-20 2009-10-05 Saint Gobain Afstandsholder til flerlags-termoruder
CA2304291C (en) 1997-09-25 2006-05-30 Technoform Caprano + Brunnhofer Ohg Profiled spacer for insulation glazing assembly
DE19805348A1 (de) 1998-02-11 1999-08-12 Caprano & Brunnhofer Abstandhalterprofil für Isolierscheibeneinheit
DE19807454A1 (de) 1998-02-21 1999-08-26 Ensinger Abstandhalter
DE19814044A1 (de) 1998-03-30 1999-10-14 Lenhardt Maschinenbau Abstandhalterrahmen aus glasfaserverstärktem Kunststoff für Isolierglasscheiben und Verfahren zum Bilden von Ecken in einem solchen Abstandhalterrahmen
DE19902067A1 (de) 1999-01-20 2001-01-25 Wug Weidemann Unternehmensgrup Abstandsleiste für Isolierglas
DE10023541C2 (de) * 2000-05-13 2002-09-19 Bayer Isolierglas & Maschtech Isolierglasscheibe mit Einzelscheiben und mit einem Abstandhalterprofil
EP1233136A1 (de) 2001-02-17 2002-08-21 Wilfried Ensinger Kunststoff-Abstandshalterrahmen und Verfahren zu seiner Herstellung
AU2003206770A1 (en) 2002-03-06 2003-09-16 Ensinger Kunststofftechnologie Gbr Spacers
DE602006010199D1 (de) * 2006-08-11 2009-12-17 Rolltech As Abstandhalter für Glasscheiben und ein Verfahren zur Herstellung eines solchen Abstandhalters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5094055A (en) * 1989-06-15 1992-03-10 Gunter Berdan Window glass seal

Also Published As

Publication number Publication date
DK2746518T3 (en) 2017-06-06
EP2746518A1 (en) 2014-06-25
PL2746518T3 (pl) 2017-08-31
HUE034295T2 (en) 2018-02-28

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