EP0597727A2 - Unités de vitrage isolant - Google Patents

Unités de vitrage isolant Download PDF

Info

Publication number
EP0597727A2
EP0597727A2 EP93309075A EP93309075A EP0597727A2 EP 0597727 A2 EP0597727 A2 EP 0597727A2 EP 93309075 A EP93309075 A EP 93309075A EP 93309075 A EP93309075 A EP 93309075A EP 0597727 A2 EP0597727 A2 EP 0597727A2
Authority
EP
European Patent Office
Prior art keywords
spacer
sheet
spacer frame
moisture
seal
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Withdrawn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
EP93309075A
Other languages
German (de)
English (en)
Other versions
EP0597727A3 (fr
Inventor
Robert William Kelcher
Michael Kalas
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.)
UKae Ltd
Original Assignee
UKae 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 UKae Ltd filed Critical UKae Ltd
Publication of EP0597727A2 publication Critical patent/EP0597727A2/fr
Publication of EP0597727A3 publication Critical patent/EP0597727A3/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Withdrawn legal-status Critical Current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
    • E06B3/667—Connectors therefor

Definitions

  • This invention relates to insulated glass units of the kind which include two or more sheets of glass separated by a frame which extends around the periphery of the sheets.
  • the frame is formed of hollow spacer bar which contains a desiccant to absorb moisture from the air space between the sheets via holes formed in the inner surface of the spacer frame.
  • the spacer bar may be of plain rectangular shape, of so called D and T shaped transverse section, or of any other suitable cross-sectional shape.
  • spacer frames may be constructed in a variety of ways. Often the straight sides of the frame may be formed of separate lengths, which are connected at the corners by flexible or rigid metal or plastics corner keys. More recently, automatic spacer bending machines have been introduced, which allow one or more lengths of spacer bar to be bent to form a rectangular frame. The abutting ends are joined by straight connectors or corner keys of metal or plastics, or they may be welded together and dressed off.
  • Sealant is applied to the outer surface of the spacer frame (usually referred to as its back face) to bond the spacer frame to the sheets of glass giving structural integrity to the unit, and provide a barrier against moisture penetration.
  • a primary sealant is applied to the two side faces of the spacer before assembly. This acts as a handling aid to hold the two sheets of glass to the spacer and provides an additional barrier against moisture penetration.
  • the sealant applied to the back face of the spacer is referred to as the secondary sealant.
  • the internal space between the glass sheets is usually filled with air, although inert gas may also be used.
  • the present invention proposes a method of sealing a region of a spacer frame for an insulated glass unit, which comprises securing a sheet of flexible, moisture-impermeable material to the spacer frame by means of an adhesive.
  • the sheet is normally secured to the back and side faces of the spacer frame.
  • the primary sealant which may be of butyl rubber for example, usually has a very high resistance to moisture penetration.
  • the resistance to moisture transmission of butyl rubber is very much higher than that of many of the usual secondary sealants.
  • the sheet of moisture impermeable material will usually comprise a malleable (ferrous or non-ferrous) metal such as aluminium.
  • Plastics sheets e.g of polyester, may also be used, with or without a metallised coating, e.g of aluminium.
  • Pressure-sensitive acrylic adhesives are suitable for securing the sheet to the spacer frame.
  • the invention includes:
  • two lengths of metal spacer 1, 2 are joined in an end-to-end relationship in known manner, e.g by means of a metal or plastics straight connector (not shown).
  • the abutted ends of the two lengths of spacer 1, 2 would normally constitute a region of the spacer frame where there is a high risk of moisture penetration into the internal space between the glass sheets.
  • the secondary sealant is thinnest at this point and moisture penetrating the joint in the back of the spacer could by-pass the primary seal on the sides of the spacer.
  • this region is sealed by means of a sheet of aluminium foil 3 having one face coated with a layer of acrylic or other suitable pressure-sensitive adhesive (not shown).
  • the adhesive layer may be protected by a peelable backing sheet (not shown), which is removed prior to application of the seal.
  • the adhesive layer is pressed against the back surfaces A of the two lengths of spacer 1, 2, with the foil 3 overlapping the spacer equally on both sides of the joint, so that the adhesive firmly bonds the sheet 3 to the lengths of spacer.
  • the opposite side edges 30 of the sheet extend over and are similarly bonded to the opposed side faces B and C of the spacer bar, as shown.
  • the side faces B and C are bonded to the glass sheets 4 and 5, as shown in Fig. 2, by means of a primary sealant 6, e.g of butyl rubber.
  • a secondary sealant e.g of polysulphide, polyurethane, or silicone, is then applied to the back face A of the spacer bar to fill the remaining channel formed between the glass sheets 4 and 5.
  • the spacer bar may be of any desired transverse sectional shape and that any suitable primary sealant could be used, with or without a secondary sealant.
  • the method will still seal the back of the spacer if only a secondary sealant is used, i.e. without a primary sealant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
EP93309075A 1992-11-13 1993-11-12 Unités de vitrage isolant. Withdrawn EP0597727A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9223778 1992-11-13
GB929223778A GB9223778D0 (en) 1992-11-13 1992-11-13 Insulated glass units

Publications (2)

Publication Number Publication Date
EP0597727A2 true EP0597727A2 (fr) 1994-05-18
EP0597727A3 EP0597727A3 (fr) 1994-12-28

Family

ID=10725004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93309075A Withdrawn EP0597727A3 (fr) 1992-11-13 1993-11-12 Unités de vitrage isolant.

Country Status (2)

Country Link
EP (1) EP0597727A3 (fr)
GB (2) GB9223778D0 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20319259U1 (de) * 2003-12-10 2005-04-21 Kronenberg, Max Abstandhalter für Isolierglasscheiben
RU2643977C1 (ru) * 2014-09-25 2018-02-06 Сэн-Гобэн Гласс Франс Проставочный элемент для изоляционного остекления
US10350859B2 (en) 2014-12-08 2019-07-16 Saint-Gobain Glass France Composite glass having reduced thickness for a head-up display (HUD)
US10508486B2 (en) 2015-03-02 2019-12-17 Saint Gobain Glass France Glass-fiber-reinforced spacer for insulating glazing unit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109431A (en) * 1974-03-25 1978-08-29 Ppg Industries, Inc. Sealing and spacing unit for multiple glazed windows
US4113905A (en) * 1977-01-06 1978-09-12 Gerald Kessler D.i.g. foam spacer
GB2023209A (en) * 1978-04-05 1979-12-28 Bostik Ltd Spacer means
DE3302659A1 (de) * 1983-01-27 1984-08-02 Reichstadt, Hans Udo, 5628 Heiligenhaus Abstandhalteprofil fuer mehrscheiben-isolierglas
DE3321878C2 (de) * 1983-06-06 1986-12-18 Josef Gartner & Co, 8883 Gundelfingen Verfahren zur Herstellung eines Abstandhalters
GB2162228B (en) * 1984-07-25 1987-07-15 Sanden Corp Double-glazed window for a refrigerator
GB8502959D0 (en) * 1985-02-06 1985-03-06 Bostik Ltd Multiple glazing
US5290611A (en) * 1989-06-14 1994-03-01 Taylor Donald M Insulative spacer/seal system
CA1327730C (fr) * 1989-06-15 1994-03-15 Gunter Berdan Garniture d'etancheite pour vitres
EP0430889A3 (en) * 1989-11-30 1991-12-18 Glas Troesch Ag St. Gallen Multiple insulating glazing
CH681102A5 (fr) * 1990-08-10 1993-01-15 Geilinger Ag

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20319259U1 (de) * 2003-12-10 2005-04-21 Kronenberg, Max Abstandhalter für Isolierglasscheiben
RU2643977C1 (ru) * 2014-09-25 2018-02-06 Сэн-Гобэн Гласс Франс Проставочный элемент для изоляционного остекления
US10626663B2 (en) 2014-09-25 2020-04-21 Saint-Gobain Glass France Spacer for insulating glazing units
US10350859B2 (en) 2014-12-08 2019-07-16 Saint-Gobain Glass France Composite glass having reduced thickness for a head-up display (HUD)
US10508486B2 (en) 2015-03-02 2019-12-17 Saint Gobain Glass France Glass-fiber-reinforced spacer for insulating glazing unit

Also Published As

Publication number Publication date
GB9223778D0 (en) 1993-01-06
GB9323392D0 (en) 1994-01-05
EP0597727A3 (fr) 1994-12-28
GB2272473A (en) 1994-05-18

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