EP2930296A1 - Barre d'espacement de vitrage - Google Patents

Barre d'espacement de vitrage Download PDF

Info

Publication number
EP2930296A1
EP2930296A1 EP15163073.8A EP15163073A EP2930296A1 EP 2930296 A1 EP2930296 A1 EP 2930296A1 EP 15163073 A EP15163073 A EP 15163073A EP 2930296 A1 EP2930296 A1 EP 2930296A1
Authority
EP
European Patent Office
Prior art keywords
spacer bar
bar body
range
desiccant
thermoplastic polymer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15163073.8A
Other languages
German (de)
English (en)
Inventor
Gwain PATERSON
Rohit Kale
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.)
Thermoseal Group Ltd
Original Assignee
Thermoseal Group Ltd
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 Thermoseal Group Ltd filed Critical Thermoseal Group Ltd
Publication of EP2930296A1 publication Critical patent/EP2930296A1/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • 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
    • E06B3/66361—Section members positioned at the edges of the glazing unit with special structural provisions for holding drying agents, e.g. packed in special containers

Definitions

  • This invention relates to a novel spacer for use in a sealed multiple glazed unit, particularly a double glazed unit.
  • Known double glazed units typically consist of two glazing panes, usually of glass, which are sealed to and separated by a self-supporting spacer, usually of bar of metal or a plastics extrusion, around the outer edges of the glazing panes.
  • the spacer bar may be hollow and may be formed into any shape by bending and/or by joining (e.g. using corner keys) as is well known in the industry.
  • the spacer bar is sandwiched and sealed between the two glazing panes to form a unit, defining a cavity (interspace) between the glazing panes.
  • the sealing against the glazing panes may be by way of a sealant and/or adhesive e.g. butyl rubber, polysulphide or polyurethane, again as is known in the industry.
  • an inert gas such as argon and/or xenon or similar gas
  • the spacer bar is not constructed of 100% metal it is usual to have a composite hollow spacer bar with a gas barrier of metal tape (e.g. of steel or aluminium) around its outer edge i.e. facing away from the cavity (interspace).
  • metal tape e.g. of steel or aluminium
  • the present invention provides for greater heat insulation still.
  • a thermoplastic spacer bar eliminates the problem of static electricity build-up. This problem is well known in the industry. When a conventional metal spacer bar is substituted for an energy efficient polymer spacer bar, there is static electricity build-up because of the non-metallic spacer bar material. The static build-up may reduce moisture absorption capacity of the sealed unit, the said spacer system provides solution to this problem.
  • the present invention relates to a spacer bar for a multiple glazed unit in which the spacer bar has a body having one or more cavities, wherein the body comprises a thermoplastic polymer and a blowing/foaming agent.
  • the spacer bar body is hollow.
  • Presence of a foamed structure in the spacer bar body reduces the thermal conductivity of the spacer bar.
  • the reduction in thermal conductivity can be significant, for example up to 40% when compared with a non-foamed spacer bar.
  • the spacer bar body may be porous.
  • the spacer bar body may be formed of a thermoplastic polymer comprising polypropylene (PP), polyethylene (PE), polycarbonate (PC), polyamide (PA) commonly known as Nylon, polyvinyl chloride (PVC), polystyrene (PS) and or styrenic polymers and co-polymers, or any combination thereof.
  • PP polypropylene
  • PE polyethylene
  • PC polycarbonate
  • PA polyamide
  • Nylon polyvinyl chloride
  • PS polystyrene
  • styrenic polymers and co-polymers or any combination thereof.
  • the thermoplastic polymer comprises or is polypropylene (PP).
  • the blowing/foaming agent may be endothermic or exothermic.
  • the blowing/foaming agent may comprise 4, 4'-Oxybis-benzenesulfonylhydrazide (OBSH), azodicarbonamide (ADA), bicarbonates or biurets.
  • OBSH 4, 4'-Oxybis-benzenesulfonylhydrazide
  • ADA azodicarbonamide
  • bicarbonates biurets.
  • the spacer bar body may comprise a desiccant.
  • the desiccant may be in the form of a powder.
  • the desiccant may comprise an aluminosilicate, silica gel, calcium sulphate, a montmorillonite clay, calcium chloride, molecular sieve desiccants, activated charcoal or combinations thereof.
  • the desiccant may be a 3 ⁇ or 4 ⁇ desiccant.
  • Presence of a desiccant in the spacer bar body aids in absorbing moisture inside a glazing unit when the spacer bar is in use in a glazing unit and increases the lifetime of the product.
  • the presence of desiccant in the spacer bar body may also save time and energy of a sealed unit manufacturer by reducing the amount of desiccant which may need to be inserted into any cavity within the spacer bar.
  • One or more of the cavities of the spacer bar body may contain desiccant.
  • the desiccant may be 3 ⁇ or 4 ⁇ desiccant beads.
  • the spacer bar body further comprises a reinforcing material.
  • the reinforcing material may be any suitable material, for example chopped glass fibres, milled glass fibres, glass beads, glass bubbles, polymer fibres, ceramic fibres and natural fibres or any combination thereof.
  • the proportion of reinforcing material within the spacer bar body may be in a range from 5 to 50% by weight or more preferably from 25 to 50% by weight. Reinforcing material is added to improve the mechanical strength/stiffness, dimensional stability and thermal resistance.
  • the spacer bar body may further comprise a coupling agent in combination with the reinforcing material.
  • the coupling agent may be polypropylene functionalised with maleic anhydride or SCONA TPPP 9112.
  • the spacer bar body may further comprise one or more pigment masterbatches.
  • Each pigment masterbatch may comprise polypropylene (PP), polyethylene (PE), polyamide (PA), ethylene vinyl acetate, ethylene copolymers or other polymer and or copolymers.
  • the ability to include a pigment masterbatch allows sealed unit manufacturers to match the colour of the spacer bar to the glazing system.
  • the spacer bar body may comprise a UV stabiliser.
  • the UV stabiliser may be Tinuvin 213. Presence of UV stabiliser eliminates the problem of UV/thermal degradation and or cracking as well as colour change during the work life.
  • the spacer bar body may comprise a thermoplastic polymer content in range of 10 to 80%, a reinforcing filler content in range of 5 to 60%, a moisture absorbing desiccant powder in range of 10 to 70%, a foaming agent in range of 0.1 to 7%, a UV stabiliser in range of 0.1 to 5%, an anti-static agent/additive in range of 0.1 to 5%, a coupling agent in range of 0.1 to 3% and a pigment masterbatch in range of 0.1 to 10%.
  • a thermoplastic polymer content in range of 10 to 80%
  • a reinforcing filler content in range of 5 to 60%
  • a moisture absorbing desiccant powder in range of 10 to 70%
  • a foaming agent in range of 0.1 to 7%
  • a UV stabiliser in range of 0.1 to 5%
  • an anti-static agent/additive in range of 0.1 to 5%
  • a coupling agent in range of 0.1 to 3%
  • a pigment masterbatch in range
  • the spacer bar body of the present invention may be backed or coated with a moisture, moisture vapour and/or gas barrier.
  • the moisture, moisture vapour and/or gas barrier may be metalized polymeric, polyester, multilayered polyethylene or a metallised polyester film/tape.
  • the barrier may be a film/tape with a thickness that is in the range of 1 to 1000 microns.
  • the spacer bar may be vacuum sealed in a suitable metalized polymeric packaging and boxed for storage.
  • the spacer bar body may be elongate.
  • the spacer bar body may be self-supporting.
  • the spacer bar body may have a thermal conductivity in the range of 0.11 to 0.18, preferably in a range of 0.12 to 0.16 W/(m.K).
  • the spacer bar body may have a continuous cross section.
  • the cross section of the spacer bar body may alternatively be provided with apertures and/or breaks around or in its perimeter, which may extend along all or part of its length.
  • the spacer bar body may comprise any of the following three compositions:
  • Example composition 1 is a mixture of Example composition 1:
  • thermoplastic polymer is foamed and extruded to form a spacer bar body.
  • This method may comprise compounding/blending the thermoplastic polymer, and extruding the thermoplastic polymer, wherein, a foaming/blowing agent is introduced to the thermoplastic polymer during the polymer compounding/blending process or during a profile extrusion process.
  • Another aspect of the present invention relates to a method of assembling a spacer bar of the present invention into a pre-determined shape for making a sealed unit, for example a rectangular, square or other shape, wherein the method comprises heat welding, blending and/or by using corner keys.
  • An additional aspect of the present invention relates to a method of manufacturing a multiple glazed unit from a spacer bar of the present invention, wherein the spacer bar is fitted between two glazing panes spaced apart to form a cavity.
  • Another aspect of the present invention relates to the use of the spacer bar of the present invention in the construction of an insulating glass unit consisting of two or more parallel sheets/panes of glass or polymer.
  • Figure 1 shows a cross section through a spacer bar of a first embodiment of the present invention.
  • the spacer bar body 1 has been formed from polypropylene, a thermoplastic polymer, which has been foamed during manufacture of the spacer bar body 1 using, azodicarbonamide, a foaming/blowing agent, though other foaming/blowing agents may be used. Presence of a foamed structure in spacer bar body 1 may reduce the thermal conductivity up to 40% when compared with a non-foamed spacer bar body.
  • the spacer bar includes a cavity 2 formed within the body 1 which can be filled with a desiccant.
  • the spacer bar body 1 has perforations or a series of apertures 3 to allow desiccant within the cavity 2 to absorb moisture inside a glazing unit when the spacer bar is in use in a glazing unit.
  • FIG. 2 shows a cross section through a spacer bar of a second embodiment of the present invention.
  • the spacer bar body 1 possesses all of the properties of the spacer bar body 1 of figure 1 .
  • a desiccant 4 in this instance calcium sulphate though other desiccants may be used, which aids in absorbing moisture inside a glazing unit when the spacer bar is in use in a glazing unit and increases the lifetime of the product.
  • Desiccant 4 in the spacer bar body 1 may also save time and energy of a sealed unit manufacturer by reducing the amount of desiccant which may need to be inserted into the cavity 2.
  • the manufacturer may not be required to fill the spacer bar cavity 2 with desiccant as the spacer bar body 1 of present invention can absorb the moisture inside a glazing unit when the spacer bar is in use in a glazing unit, due to presence of desiccant 4 within the spacer bar body 1.
  • Figure 3 shows a cross section through a spacer bar of a third embodiment of the present invention.
  • the spacer bar body 1 possesses all of the properties of the spacer bar body 1 of figure 1 .
  • a reinforcing material 5 is also in this spacer bar body 1 .
  • the reinforcing material is chopped glass fibres, though other reinforcing materials may be used.
  • Reinforcing material 5 is added to improve the mechanical strength/stiffness, dimensional stability and thermal resistance.
  • Figure 4 shows a cross section through a spacer bar of a fourth embodiment of the present invention.
  • the spacer bar body 1 is as described in figure 2 and in addition contains a reinforcing material 5.
  • the reinforcing material is chopped glass fibres, though other reinforcing materials may be used.
  • Reinforcing material 5 is added to improve the mechanical strength/stiffness, dimensional stability and thermal resistance.
  • Figure 5 shows a cross section through a length of spacer bar in accordance the second embodiment of the present invention in position in a multiple glazed unit.
  • the spacer bar comprises a cavity 2 formed within the body 1.
  • the spacer bar body 1 is elongate and of a generally "D" cross section and has first and second long side walls 11a, 11b and first and second short side walls 7a, 7b giving rise to the width and depth of the spacer bar 1 respectively.
  • the spacer bar contains desiccant 12 within the cavity 2.
  • the spacer bar is in use in a standard double glazed or multiple glazed unit as shown in Figure 9 wherein the glazing panes 8a, 8b are made of glass or polymeric material and/or any other transparent, translucent or opaque material, the cavity 6 between the glazing unit is sealed by using hot melt or warm melt sealants 10.
  • a primary sealant such as layer/bead of polyisobutylene also can be applied on the sides 7a, 7b of the spacer bar 1 adjacent to glazing panes 8a, 8b.
  • an inert gas such as argon/krypton/xenon may be introduced into the cavity 6 between the panes 8a, 8b.
  • the cavity 2 within the spacer bar body 1 contains Grace Davidson Sylosiv K 360 moisture adsorbing 3 ⁇ desiccant beads/granules 12, inserted in a conventional manner.
  • the spacer bar 1 has perforations or series of apertures 3 extending through to the cavity 2 and positioned on long side 11a to allow desiccant 12 to adsorb moisture inside a glazing unit.
  • the long side 11a bearing the apertures 3, is positioned to face into the cavity 6 between the glazing panes 8a, 8b while in use.
  • the desiccant 12 fills the entire cavity 2 though it may fill only a portion of the cavity in other embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)
EP15163073.8A 2014-04-10 2015-04-09 Barre d'espacement de vitrage Withdrawn EP2930296A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1406512.2A GB2527731A (en) 2014-04-10 2014-04-10 Glazing spacer bar

Publications (1)

Publication Number Publication Date
EP2930296A1 true EP2930296A1 (fr) 2015-10-14

Family

ID=50844840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15163073.8A Withdrawn EP2930296A1 (fr) 2014-04-10 2015-04-09 Barre d'espacement de vitrage

Country Status (2)

Country Link
EP (1) EP2930296A1 (fr)
GB (1) GB2527731A (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106832685A (zh) * 2017-03-21 2017-06-13 南京南油节能科技有限公司 用于制备间隔型材的聚氯乙烯组合物及其得到的间隔型材
DE102015122714A1 (de) * 2015-12-23 2017-07-27 Ensinger Gmbh Abstandhalter für Isolierglasscheiben
WO2017174333A1 (fr) * 2016-04-05 2017-10-12 Saint-Gobain Glass France Unité en verre isolant pour meuble frigorifique
WO2018068899A1 (fr) 2016-10-11 2018-04-19 Saint-Gobain Glass France Intercalaire pour vitrage isolant
CN108384225A (zh) * 2018-02-12 2018-08-10 广东新会美达锦纶股份有限公司 一种高色牢度低熔点聚酰胺用色母粒
CN108410165A (zh) * 2018-02-12 2018-08-17 广东新会美达锦纶股份有限公司 一种高色牢度低熔点聚酰胺用色母粒的制备方法
US10633914B2 (en) 2015-12-23 2020-04-28 Ensinger Gmbh Spacer for insulating glass panes
US10736439B2 (en) 2015-12-21 2020-08-11 Saint-Gobain Glass France Insulating glass element for a refrigeration cabinet
CN113003952A (zh) * 2021-03-18 2021-06-22 温州前瞻玻璃科技有限公司 一种中空玻璃及其制作方法
WO2021224042A1 (fr) 2020-05-06 2021-11-11 Saint-Gobain Glass France Dispositif d'espacement pour vitrage isolé
EP3265636B1 (fr) * 2015-03-02 2022-04-20 Saint-Gobain Glass France Ecarteur renforcé en fibres de verre pour vitrage isolant, procédé pour sa fabrication et utilisation d'un tel écarteur dans un vitrage multiple
WO2022179965A1 (fr) 2021-02-25 2022-09-01 Saint-Gobain Glass France Espaceur pliable à froid présentant une rigidité améliorée
WO2023030813A1 (fr) 2021-08-31 2023-03-09 Saint-Gobain Glass France Intercalaire pliable à froid ayant une rigidité améliorée
WO2023198709A1 (fr) 2022-04-14 2023-10-19 Saint-Gobain Glass France Entretoise à rigidité mécanique améliorée

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58174551A (ja) 1982-04-03 1983-10-13 Sumitomo Electric Ind Ltd ボロン含有鋼およびその製造方法
KR20190068597A (ko) * 2016-10-18 2019-06-18 피.이.티. 폴리머 익스트루전 테크놀로지, 인크. 반투명 패널을 위한 이격자를 제조하기 위한 방법 및 시스템
CN107286365A (zh) * 2017-06-06 2017-10-24 滁州市宏源喷涂有限公司 一种用于聚氯乙烯的插层改性有机蒙脱土复合发泡剂的制备方法
CN109971074B (zh) * 2019-04-17 2022-03-25 余姚中国塑料城塑料研究院 一种多层共挤出复合型中空玻璃暖边间隔条及其制备方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1268613A (fr) * 1960-06-24 1961-08-04 Joint perfectionné pour vitrages doubles et vitrages ainsi équipés
WO1993023649A1 (fr) * 1992-05-18 1993-11-25 Crane Plastics Company Piece d'ecartement isolante en materiau composite polymere-metal pour elements vitres et fenetres isolantes contenant lesdites pieces
US5447761A (en) * 1991-04-19 1995-09-05 Lafond; Luc Sealant strip incorporating flexing stress alleviating means
EP0753638A1 (fr) * 1995-07-14 1997-01-15 Hüls Aktiengesellschaft Ecarteur pour vitrage isolant
DE19807454A1 (de) * 1998-02-21 1999-08-26 Ensinger Abstandhalter
EP1860270A2 (fr) * 2006-05-24 2007-11-28 Peter Lisec Unité de verre isolant dotée d'une bande de retenue d'écart élastoplastique et procédé d'application de cette dernière
WO2013117933A2 (fr) * 2012-02-09 2013-08-15 Thermoseal Group Limited Écarteur destiné à être utilisé pour un vitrage multiple scellé

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103867077B (zh) * 2014-03-25 2015-10-07 大连工业大学 一种基于乙烯-醋酸乙烯酯共聚物的暖边间隔条及其制备方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1268613A (fr) * 1960-06-24 1961-08-04 Joint perfectionné pour vitrages doubles et vitrages ainsi équipés
US5447761A (en) * 1991-04-19 1995-09-05 Lafond; Luc Sealant strip incorporating flexing stress alleviating means
WO1993023649A1 (fr) * 1992-05-18 1993-11-25 Crane Plastics Company Piece d'ecartement isolante en materiau composite polymere-metal pour elements vitres et fenetres isolantes contenant lesdites pieces
EP0753638A1 (fr) * 1995-07-14 1997-01-15 Hüls Aktiengesellschaft Ecarteur pour vitrage isolant
DE19807454A1 (de) * 1998-02-21 1999-08-26 Ensinger Abstandhalter
EP1860270A2 (fr) * 2006-05-24 2007-11-28 Peter Lisec Unité de verre isolant dotée d'une bande de retenue d'écart élastoplastique et procédé d'application de cette dernière
WO2013117933A2 (fr) * 2012-02-09 2013-08-15 Thermoseal Group Limited Écarteur destiné à être utilisé pour un vitrage multiple scellé

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3265636B1 (fr) * 2015-03-02 2022-04-20 Saint-Gobain Glass France Ecarteur renforcé en fibres de verre pour vitrage isolant, procédé pour sa fabrication et utilisation d'un tel écarteur dans un vitrage multiple
US10736439B2 (en) 2015-12-21 2020-08-11 Saint-Gobain Glass France Insulating glass element for a refrigeration cabinet
DE102015122714A1 (de) * 2015-12-23 2017-07-27 Ensinger Gmbh Abstandhalter für Isolierglasscheiben
US10550628B2 (en) 2015-12-23 2020-02-04 Alu Pro S.R.L. Spacer for insulating glass panes
US10633914B2 (en) 2015-12-23 2020-04-28 Ensinger Gmbh Spacer for insulating glass panes
WO2017174333A1 (fr) * 2016-04-05 2017-10-12 Saint-Gobain Glass France Unité en verre isolant pour meuble frigorifique
CN108884700A (zh) * 2016-04-05 2018-11-23 法国圣戈班玻璃厂 用于制冷设备的隔热玻璃单元
US10443300B2 (en) 2016-04-05 2019-10-15 Saint-Gobain Glass France Insulating glass unit for a refrigeration unit
WO2018068899A1 (fr) 2016-10-11 2018-04-19 Saint-Gobain Glass France Intercalaire pour vitrage isolant
CN106832685A (zh) * 2017-03-21 2017-06-13 南京南油节能科技有限公司 用于制备间隔型材的聚氯乙烯组合物及其得到的间隔型材
CN108384225A (zh) * 2018-02-12 2018-08-10 广东新会美达锦纶股份有限公司 一种高色牢度低熔点聚酰胺用色母粒
CN108410165A (zh) * 2018-02-12 2018-08-17 广东新会美达锦纶股份有限公司 一种高色牢度低熔点聚酰胺用色母粒的制备方法
WO2021224042A1 (fr) 2020-05-06 2021-11-11 Saint-Gobain Glass France Dispositif d'espacement pour vitrage isolé
CN115427656A (zh) * 2020-05-06 2022-12-02 法国圣戈班玻璃厂 用于隔热玻璃的间隔件
WO2022179965A1 (fr) 2021-02-25 2022-09-01 Saint-Gobain Glass France Espaceur pliable à froid présentant une rigidité améliorée
CN113003952A (zh) * 2021-03-18 2021-06-22 温州前瞻玻璃科技有限公司 一种中空玻璃及其制作方法
WO2023030813A1 (fr) 2021-08-31 2023-03-09 Saint-Gobain Glass France Intercalaire pliable à froid ayant une rigidité améliorée
DE202022002741U1 (de) 2021-08-31 2023-03-28 Saint-Gobain Glass France Kaltbiegbarer Abstandhalter mit verbesserter Steifigkeit
WO2023198709A1 (fr) 2022-04-14 2023-10-19 Saint-Gobain Glass France Entretoise à rigidité mécanique améliorée

Also Published As

Publication number Publication date
GB201406512D0 (en) 2014-05-28
GB2527731A (en) 2016-01-06

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