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WO2007039747B1 - Laminated glazing - Google Patents

Laminated glazing

Info

Publication number
WO2007039747B1
WO2007039747B1 PCT/GB2006/003708 GB2006003708W WO2007039747B1 WO 2007039747 B1 WO2007039747 B1 WO 2007039747B1 GB 2006003708 W GB2006003708 W GB 2006003708W WO 2007039747 B1 WO2007039747 B1 WO 2007039747B1
Authority
WO
WIPO (PCT)
Prior art keywords
glazing
electrically conductive
laminated glazing
sheet
conductive member
Prior art date
Application number
PCT/GB2006/003708
Other languages
French (fr)
Other versions
WO2007039747A1 (en
Inventor
Michael Robert Greenall
Jonathan Barclay Dixon
Frank Dirks
Mathijs Ten Haaft
Paul Rothfusz
Original Assignee
Pilkington Group Ltd
Scheuten Prec Technologies B V
Michael Robert Greenall
Jonathan Barclay Dixon
Frank Dirks
Mathijs Ten Haaft
Paul Rothfusz
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 Pilkington Group Ltd, Scheuten Prec Technologies B V, Michael Robert Greenall, Jonathan Barclay Dixon, Frank Dirks, Mathijs Ten Haaft, Paul Rothfusz filed Critical Pilkington Group Ltd
Priority to EP06794659A priority Critical patent/EP1981707A1/en
Publication of WO2007039747A1 publication Critical patent/WO2007039747A1/en
Publication of WO2007039747B1 publication Critical patent/WO2007039747B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10376—Laminated safety glass or glazing containing metal wires
    • B32B17/10385—Laminated safety glass or glazing containing metal wires for ohmic resistance heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • H05B3/86—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields the heating conductors being embedded in the transparent or reflecting material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/02—Noble metals
    • B32B2311/04—Gold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/02—Noble metals
    • B32B2311/08—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/12—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/24—Aluminium
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/008—Heaters using a particular layout for the resistive material or resistive elements with layout including a portion free of resistive material, e.g. communication window
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters

Landscapes

  • Joining Of Glass To Other Materials (AREA)
  • Surface Heating Bodies (AREA)
  • Laminated Bodies (AREA)

Abstract

A laminated glazing comprising two panes of glazing material, a sheet of interlayer material extending therebetween, and an electrically conductive member formed (possibly etched) from a sheet of electrically conductive material also positioned between the panes. The electrically conductive member may be a heating element which comprises a plurality of spaced apart, fine heating lines, electrically connected to a pair of busbars. The heating element may be divided into at least two heating zones, each having a different power density, and/or it may include a non-heated area. Also a method of manufacturing such a glazing involving locating a pre-formed electrically conductive member and . a sheet of interlayer material on a first pane of glazing material, placing a second pane of glazing material in register with the first so that the electrically conductive member and the interlayer material are between the two panes, and laminating in an autoclave.

Claims

AMENDED CLAIMS received by the International Bureau on 05 April 2007 (05.04.07)
1. A laminated glazing comprising two panes of glazing material, a sheet of interlayer material extending therebetween, and an electrically conductive member, also positioned between the panes of glazing material, wherein the electrically conductive member is formed from a sheet of electrically conductive material, and is substantially co-extensive with the sheet of interlayer material and the panes of glazing material.
2. A laminated glazing as claimed in claim 1 wherein the electrically conductive member is etched from the sheet of electrically conductive material.
3. A laminated glazing as claimed in claim 1 or claim 2 wherein the electrically conductive member is a heating element.
4. A laminated glazing as claimed in claim 3 wherein the heating element comprises a plurality of spaced apart, fine heating lines.
5. A laminated glazing as claimed in claim 4 wherein the heating element further comprises a pair of busbars, to which the heating lines are electrically connected.
6. A laminated glazing as claimed in claim 4 or claim 5 wherein the heating lines are non-linear.
7. A laminated glazing as claimed in any of claims 4 to 6 wherein the heating lines are arranged so that the heating element includes a non-heated area.
8. A laminated glazing as claimed in any of claims 4 to 7 wherein each of the heating lines has a width less than 30 μm. 16
9. A laminated glazing as claimed in any of claims 4 to 8 wherein the spacing between each of the heating lines is greater than 0.5 mm.
10. A laminated glazing as claimed in any of claims 3 to 9 wherein the heating element has a power density which varies over the area of the glazing to be heated.
11. A laminated glazing as claimed in claim 10 wherein the heating element is divided into at least two heating zones, each having a different power density.
12. A laminated glazing as claimed in claim 11 wherein the heating element includes a heating zone known as a heated wiper rest area.
13. A laminated glazing as claimed in any preceding claim wherein the electrically conductive member is provided on a sheet of polymeric material.
14. A laminated glazing as claimed in claim 13 wherein the polymeric material is polyethylene terephthalate.
15. A laminated glazing as claimed in claim 13 or claim 14 wherein the sheet of polymeric material and the electrically conductive member are themselves laminated between two plies of interlayer material forming a composite interlayer.
16. A laminated glazing as claimed in claim 15 wherein the glazing is curved and the composite interlayer is pre-formed and pre-shaped to have the curvature of the glazing.
17. A laminated glazing as claimed in claim 15 or 16 wherein the composite interlayer has a thickness less than 1.6 mm.
18. A laminated glazing as claimed in any of claims 13 to 17 wherein the sheet of polymeric material has a thickness less than 1 mm. 17
19. A laminated glazing as claimed in any preceding claim wherein the electrically conductive member comprises a metal selected from a group which includes copper, silver, gold and aluminium, or a metal alloy.
20. A method of manufacturing a laminated glazing as claimed in claim 1 comprising a) forming an electrically conductive member from a sheet of electrically conductive material, b) locating the electrically conductive member and a sheet of interlayer material on a first pane of glazing material, c) positioning a second pane of glazing material in register with the first pane of glazing material so that the electrically conductive member and the sheet of interlayer material are between the first and second panes, and d) laminating the glazing in an autoclave.
21. A method of manufacturing a laminated glazing according to claim 20 wherein the electrically conductive member is etched from the sheet of electrically conductive material.
22. A method of manufacturing a laminated glazing according to claim 20 or claim 21 wherein the electrically conductive member is supplied on a sheet of polymeric material, and the sheet of polymeric material is interleaved between two sheets of interlayer material to form a composite interlayer, which is then located on the first pane of glazing material.
23. A method of manufacturing a laminated glazing according to claim 22 wherein, when the laminated glazing is curved, the composite interlayer is pre-shaped to the curvature of the glazing prior to it being incorporated into the glazing.
PCT/GB2006/003708 2005-10-06 2006-10-05 Laminated glazing WO2007039747A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06794659A EP1981707A1 (en) 2005-10-06 2006-10-05 Laminated glazing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0520306.2 2005-10-06
GBGB0520306.2A GB0520306D0 (en) 2005-10-06 2005-10-06 Laminated glazing

Publications (2)

Publication Number Publication Date
WO2007039747A1 WO2007039747A1 (en) 2007-04-12
WO2007039747B1 true WO2007039747B1 (en) 2007-05-31

Family

ID=35429894

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2006/003708 WO2007039747A1 (en) 2005-10-06 2006-10-05 Laminated glazing

Country Status (3)

Country Link
EP (1) EP1981707A1 (en)
GB (1) GB0520306D0 (en)
WO (1) WO2007039747A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9266307B2 (en) * 2008-09-10 2016-02-23 Solutia Inc. Heated multiple layer glazings
GB0819638D0 (en) 2008-10-27 2008-12-03 Pilkington Automotive D Gmbh Heated vehicle window
GB0914961D0 (en) 2009-08-27 2009-09-30 Appleton Steve Electrically heated window
JP2013527561A (en) * 2010-04-01 2013-06-27 エルジー・ケム・リミテッド Heating element and method for manufacturing the same
WO2015014511A1 (en) * 2013-07-31 2015-02-05 Saint-Gobain Glass France Heatable laminated side pane
JP6736448B2 (en) * 2016-10-24 2020-08-05 日本板硝子株式会社 Laminated glass
JP6905831B2 (en) * 2017-01-19 2021-07-21 日本板硝子株式会社 Laminated glass
CN110191799B (en) * 2017-01-20 2022-03-08 皮尔金顿集团有限公司 Laminated glass and method for producing same
US11541640B2 (en) 2017-12-28 2023-01-03 Kuraray Europe Gmbh Circuit-including film
CO2018006032A1 (en) * 2018-03-20 2018-07-19 Agp America Sa Automotive laminate with defog system in the chamber area with low distortion
US11084593B2 (en) 2018-10-11 2021-08-10 Goodrich Corporation Additive manufactured heater elements for propeller ice protection
FR3089451B1 (en) * 2018-12-11 2022-12-23 Saint Gobain Laminated glazing comprising a transparent substrate with a heating layer having flux lines the whole of which is of variable width
US11446903B2 (en) 2019-11-25 2022-09-20 GM Global Technology Operations LLC Multilayer glass panel for a vehicle and method of making the same
JP7090126B2 (en) * 2020-07-15 2022-06-23 日本板硝子株式会社 Laminated glass
FR3146387A1 (en) * 2023-03-03 2024-09-06 Saint-Gobain Glass France Heated glass assembly for motor vehicle

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US2982934A (en) * 1956-08-27 1961-05-02 Libbey Owens Ford Glass Co Electrically conducting glass unit
US3956559A (en) * 1972-03-16 1976-05-11 Material Distributors Corporation Solar control safety window
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US4806432A (en) * 1985-11-21 1989-02-21 Shin-Etsu Chemical Co., Ltd. Copper-foiled laminated sheet for flexible printed circuit board
DE19541743A1 (en) * 1994-12-08 1996-06-13 Bosch Gmbh Robert Composite metallised glass panel with patterned metal interlayer
US5653903A (en) * 1995-06-27 1997-08-05 Ppg Industries, Inc. L-shaped heating element with radiused end for a windshield
US6791065B2 (en) * 2002-07-24 2004-09-14 Ppg Industries Ohio, Inc. Edge sealing of a laminated transparency
US7638011B2 (en) * 2003-06-12 2009-12-29 Pilkington Italia S.P.A. Process for the production of a curved laminated glass pane
US7135217B2 (en) * 2004-01-09 2006-11-14 Solutia Incorporated Multiple layer glass panels with patterned light transmission

Also Published As

Publication number Publication date
GB0520306D0 (en) 2005-11-16
WO2007039747A1 (en) 2007-04-12
EP1981707A1 (en) 2008-10-22

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