EP0470374B1 - Verglasungselement - Google Patents

Verglasungselement Download PDF

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Publication number
EP0470374B1
EP0470374B1 EP91111270A EP91111270A EP0470374B1 EP 0470374 B1 EP0470374 B1 EP 0470374B1 EP 91111270 A EP91111270 A EP 91111270A EP 91111270 A EP91111270 A EP 91111270A EP 0470374 B1 EP0470374 B1 EP 0470374B1
Authority
EP
European Patent Office
Prior art keywords
film
glazing element
element according
tension
spring elements
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.)
Expired - Lifetime
Application number
EP91111270A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0470374A1 (de
Inventor
Paul Grether
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.)
Geilinger AG
Original Assignee
Geilinger AG
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 Geilinger AG filed Critical Geilinger AG
Publication of EP0470374A1 publication Critical patent/EP0470374A1/de
Application granted granted Critical
Publication of EP0470374B1 publication Critical patent/EP0470374B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light

Definitions

  • the present invention relates to a glazing element with at least one insulating film stretched between two panes, spring elements held by a clamping profile being used for stretching the film and having a longitudinal extension between two ends.
  • a glazing element of this type is known, for example, from BE-A-867627.
  • a film is in the lower part of the element around a bar looped. Their two free end edges are firmly clamped in the element frame at a distance parallel to each other in the upper part of the element.
  • the two film halves are held under tension by spring elements designed as helical compression springs. These are supported on the inside against a rectangular clamping profile and on the other hand against heads of screws which are screwed through the film into the beam and protrude into the clamping profile.
  • the screws mentioned penetrate the compression springs centrally.
  • the longitudinal extension or axial direction of the springs corresponds to the direction of the tensile stress on the film.
  • the known construction can at best compensate for temperature-related changes in length of the films or film halves. Changes in width that occur simultaneously cannot be compensated for, just as little as an unequal change in both foils.
  • CH-A-653404 describes a self-supporting insulation element with an insulation film for insertion between the panes of a composite window, in which a change in length and width of the film is taken into account.
  • the film is stretched biaxially movable on a rectangular tenter frame relative to this.
  • the side parts of the tenter frame are pre-bent on one side in accordance with the desired film tension in the unloaded state.
  • the mobility of the film in relation to the stenter results from a discontinuous fastening of the film on four sliding bands, which are stretchable in the longitudinal direction of the frame sides and slidable along these. Due to the friction between the sliding bands and their guides on the stenter, the overall tension to be absorbed by the stenter increases with this construction.
  • the stenter is designed to be self-supporting.
  • the object of the invention is to provide a glazing element of the type mentioned at the outset, in which the freedom from wrinkles of the insulating film in all types of shape changes, in particular as a result of thermal expansion, even different films and frames, in a wide temperature range from at least -40 ° C. to +60 ° C is maintained and that is easier to manufacture, less material and less manufacturing effort.
  • the spring elements are accordingly arranged distributed over the entire circumference of the film. They are resiliently flexible on all sides transverse to their longitudinal extension and are fixed with their longitudinal extension essentially perpendicular to the film plane with one end on the film and the other end on the clamping profile in such a way that they change the shape of the film relative to the clamping profile by bending transversely to its longitudinal extension can follow elastically.
  • clamping forces distributed on all sides act on the insulation film. No friction forces have to be overcome for clamping.
  • the total tension to be absorbed by the film holder can therefore be dimensioned considerably less than in the known constructions. It is not necessary to form a self-supporting frame from these. Manufacturing tolerances are largely automatically compensated for by the spring elements.
  • the clamping profiles are glued directly to the inside of the panes. Relatively simple clamping profiles and cheap coil springs can be used as spring elements.
  • the invention is explained in more detail below on the basis of an exemplary embodiment shown in the accompanying drawing.
  • the drawing shows in a single figure in section the lower part of a glazing element designed according to the invention with two similarly stretched insulation foils. Of parts that are identical on the two sides of the central plane due to the largely symmetrical element in the figure, only one is provided with a reference number.
  • FIG. 1 in the drawing denotes two parallel flat glass panes.
  • Two insulating foils 2 are also stretched parallel to one another and parallel to the panes between the panes 1.
  • Coil springs 3 are used for holding and tensioning the foils 2. These are aligned with respect to their axial direction or their longitudinal extension between their two ends essentially perpendicular to the plane of the foils 2 and anchored with one end (foot part) in tensioning profiles 4. With their other end (head part) they are each fastened to the insulation foils 2 in their edge zone.
  • the clamping profiles 4 have flat side surfaces 4.1 with which they are glued to the inside of the discs 1. They are kept at a uniform distance by a spacing profile 5.
  • the spacing profile 5 On the outside (in the drawing below), the spacing profile 5 has a flat outside 5.1, which extends essentially over the distance between the panes 1 and on which a sealing tape 6 is applied as a vapor barrier. On the spacer profile 5 there is also an approximately trapezoidal cross-section, filled with a desiccant, into the longitudinal chamber 5.2, which is connected to the window interior via small openings 5.3.
  • welding caps 3.1 which consist of a material that can be fused with the foil material and are inserted into the heads of the coil springs 3.
  • the insulation foils 2 are welded in a spot shape onto the welding caps 3.1.
  • the turns of the coil springs 3 are always at least partially against each other. They are therefore not compressible under pressure and give e.g. when making the welded connection not by means of an ultrasonic spot welding machine.
  • the coil springs 3 can either be at equal intervals or, in the presence of corners, be arranged increasingly closer to them. This results in a more favorable stress distribution on the film surfaces than at the same distances.
  • a suitable average distance between the coil springs for a polyester film 75 micrometers thick is about 5 cm.
  • the length of the coil springs 3 is about 3 times their diameter.
  • the coil springs 3 are anchored in a longitudinal groove 4.2 with undercut flanks. Her last turn on her foot part is slightly expanded compared to the other turns and engages with it in the undercuts of the longitudinal groove 4.2.
  • This type of fastening mechanically fixes the foot part end of the coil springs 3 to the clamping profiles 4, while the opposite head part end connected to the insulating film is freely movable on all sides.
  • the helical springs 3 can thus optimally follow or compensate for practically all changes in shape of the insulating foils 2 relative to the clamping profiles 4.
  • Aluminum for example, can be used as the material for the clamping profiles. In view of its significantly lower heat conduction, a plastic would be an advantage.
  • the coil springs 3 are bent transversely to their longitudinal extent due to the required pretensioning of the insulating foils 2. So that they end approximately vertically on the foils 2, they are fixed with their foot part somewhat obliquely in relation to the foil planes in the clamping profiles 4.
  • the front edges 4.3 of leg strips denoted by 4.4 on the clamping profiles 4 serve to uniquely define the film levels. Compared to these edges 4.3, the connection points between the insulating films 2 and the coil springs 3 are set back somewhat from the film levels.
  • the side surfaces 4.1 of the clamping profiles 4 used as connecting surfaces have a relatively large area, to ensure a stable bond.
  • An acrylate pressure-sensitive adhesive is suitable as an adhesive, for example, which can be applied to the flat side surfaces 4.1 of the clamping profiles 4 in the form of a mounting adhesive tape 9 provided with a protective strip before the adhesive connection is actually made.
  • the thickness, elasticity and creep behavior of the adhesive layer are selected so that they can absorb elastic shear stresses that are caused by only temporary, uneven thermal expansion of the washer and clamping profile or by corresponding mechanical vibrations, but on the other hand do not show any creep under the effect of the latent film tension.
  • the thickness of the adhesive layer is preferably dimensioned approximately according to the maximum relative displacements to be expected between the pane and the clamping profile.
  • connection between the clamping profiles 4 and the panes 1 as a load-bearing glue arises directly as a result of the use of the coil springs 3 for tensioning the foils 2 in the manner described, since practically no frictional forces have to be overcome for tensioning the foils . It is also not necessary because of the resulting low total tension to form a load-bearing tension frame from the tension profiles 4. It is even possible to fit several clamping profiles over the circumference of the insulation films without direct mutual connection and with compensating gaps to combine the joints.
  • a seal-technically favorable embodiment for a rectangular window results, for example, from the combination of two U-shaped curved clamping profiles, because their abutments come to rest on two long sides of the rectangular cross-section and not in the seal-critical corners.
  • the spacer profile 5 is in engagement with the two clamping profiles 4 in the manner of tongue and groove connections 5.4, with spring strips 5.5 preventing the independent loosening of these engagement connections.
  • the leg strips 4.4 on the clamping profiles and the top of the longitudinal chamber 5.2 of the spacing profile 5 are provided with flat surfaces towards the interior of the glazing element and are arranged at the same height and with a small mutual distance. Only a narrow gap is left between them for the passage of the insulation foils 2.
  • the sealing tape 6 is a 0.05 mm thick tape made of stainless (austenitic) steel.
  • a butyl adhesive that melts at high temperature is suitable for gluing the sealing tape between the panes. In contrast to the adhesive for gluing the clamping profiles, this does not have to absorb any forces.
  • the shape of the spacer profile and the shape of the spacer can be seen from the drawing Clamping profiles formed longitudinal grooves 7, into which the adhesive can flow and can seal the separation gaps between the spacer profile 5 and the clamping profiles 4 and between these and the washers well. Apart from these edge areas, there is no adhesive connection between the spacer profile 5 and the sealing tape 6.
  • the glazing element described above is characterized by a simple construction.
  • the coil springs in particular are extremely inexpensive parts.
  • the window can be manufactured in a few work steps that can be automated, with little manufacturing effort.
  • one of the two insulation foils 2 could be omitted.
  • other spring elements with similar spring properties could be used, e.g. a spring band twisted by 90 ° or spring tongues molded directly onto the clamping profiles.
  • the film could also be connected by gluing to the helical springs or the spring elements used in each case.

Landscapes

  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Glass Compositions (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Table Devices Or Equipment (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Window Of Vehicle (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Magnetic Heads (AREA)
  • Laminated Bodies (AREA)
EP91111270A 1990-08-10 1991-07-06 Verglasungselement Expired - Lifetime EP0470374B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2612/90A CH681555A5 (enrdf_load_stackoverflow) 1990-08-10 1990-08-10
CH2612/90 1990-08-10

Publications (2)

Publication Number Publication Date
EP0470374A1 EP0470374A1 (de) 1992-02-12
EP0470374B1 true EP0470374B1 (de) 1993-10-20

Family

ID=4237690

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91111270A Expired - Lifetime EP0470374B1 (de) 1990-08-10 1991-07-06 Verglasungselement

Country Status (11)

Country Link
US (1) US5237787A (enrdf_load_stackoverflow)
EP (1) EP0470374B1 (enrdf_load_stackoverflow)
JP (1) JPH04254443A (enrdf_load_stackoverflow)
AT (1) ATE96203T1 (enrdf_load_stackoverflow)
CA (1) CA2029134C (enrdf_load_stackoverflow)
CH (1) CH681555A5 (enrdf_load_stackoverflow)
DE (1) DE59100503D1 (enrdf_load_stackoverflow)
DK (1) DK0470374T3 (enrdf_load_stackoverflow)
ES (1) ES2045991T3 (enrdf_load_stackoverflow)
FI (1) FI913352A7 (enrdf_load_stackoverflow)
NO (1) NO912660L (enrdf_load_stackoverflow)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014899A1 (fr) * 1991-02-20 1992-09-03 Iselin Francois Vitrage a performances multiples
UA81001C2 (en) * 2002-12-05 2007-11-26 Visionwall Corp Heat-insulation window
US7699875B2 (en) * 2006-04-17 2010-04-20 Applied Spine Technologies, Inc. Spinal stabilization device with weld cap
CN103038434B (zh) * 2010-07-22 2015-06-03 东邦表格株式会社 多层窗结构
AT510189B1 (de) * 2010-07-27 2012-05-15 Ifn-Holding Ag Verfahren zur herstellung eines mehrscheiben-isolierglaselementes
AT510187B1 (de) * 2010-07-27 2012-05-15 Ifn-Holding Ag Verfahren zur herstellung eines mehrscheiben-isolierglaselementes
AT510188B1 (de) * 2010-07-27 2012-05-15 Ifn-Holding Ag Verfahren zur herstellung eines mehrscheiben-isolierglaselementes
DE102011101510B4 (de) * 2011-05-13 2014-07-24 Sartorius Stedim Biotech Gmbh Abdichtung und Verfahren zur als Sterilbarriere wirkenden Abdichtung sowie Verwendung eines Haftklebers
CN102733723B (zh) * 2012-06-25 2014-09-10 曹娟 一种高效节能中空膜层玻璃
WO2015006847A1 (en) 2013-07-19 2015-01-22 Litezone Technologies Inc. Pressure compensated glass unit
CN103498624B (zh) * 2013-10-18 2015-08-26 伟视幕墙（上海）有限公司 内悬膜中空玻璃
CN103498622B (zh) * 2013-10-18 2015-06-17 伟视幕墙（上海）有限公司 中空玻璃内悬膜绷膜方法及绷膜框组件
CN103498623B (zh) * 2013-10-18 2015-07-22 伟视幕墙（上海）有限公司 呼吸式內悬膜双中空玻璃
US10125537B2 (en) * 2014-07-18 2018-11-13 Litezone Technologies Inc. Pressure compensated glass unit
CN104612553B (zh) * 2015-01-29 2016-05-04 伟视幕墙（上海）有限公司 智能调光三中空玻璃
CN104589646B (zh) * 2015-01-29 2017-02-22 伟视幕墙（上海）有限公司 一种用于悬膜中空玻璃的绷膜焊接设备
CN104942760B (zh) * 2015-07-14 2016-08-24 伟视幕墙（上海）有限公司 用于制备悬膜中空玻璃绷膜框的自动旋切插簧机
CN105507762B (zh) * 2016-01-14 2017-05-10 伟视幕墙（上海）有限公司 具有悬膜双中空的复合真空玻璃
RU186400U1 (ru) * 2017-11-01 2019-01-17 Дмитрий Юрьевич Осипов Рама-стеклопакет
CN112654762A (zh) * 2018-09-13 2021-04-13 法国圣戈班玻璃厂 具有金属的侧向部件的间距保持件
TWI748268B (zh) * 2019-10-25 2021-12-01 凌嘉科技股份有限公司 節能窗戶的隔離裝置
CN112761480B (zh) * 2019-11-04 2023-01-17 凌嘉科技股份有限公司 节能窗户的隔离装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB589889A (en) * 1945-03-19 1947-07-02 John Robertson Brown Improvements in and relating to windscreens, windows and other transparent panels
CH588627A5 (en) * 1974-06-25 1977-06-15 Lueder Holger Making a window pane with plastics sheets spaced between glass - which supports the tension of the plastics material
JPS5293125A (en) * 1975-12-31 1977-08-05 Becker Otto Alfred Photootransmission building material
DE7808307U1 (de) * 1978-03-18 1978-07-06 Deutschmeister Bauelemente Gmbh, 6990 Bad Mergentheim Isolierglaseinheit
CH636402A5 (de) * 1978-11-17 1983-05-31 Sulzer Ag Isolationselement zum einsatz zwischen den scheiben eines verbundfensters.
US4242386A (en) * 1978-11-28 1980-12-30 Christel Konrad Multiple glazing units
DE3172565D1 (en) * 1980-02-20 1985-11-14 Teijin Ltd Structure of multilayered unit for windows
FR2537109A1 (fr) * 1982-12-02 1984-06-08 Bernardy Claude Dispositif de tension et de tenue de feuilles souples a l'aide d'un boyau gonflable pour vitrages et miroirs

Also Published As

Publication number Publication date
US5237787A (en) 1993-08-24
DK0470374T3 (da) 1994-01-03
FI913352A0 (fi) 1991-07-10
CH681555A5 (enrdf_load_stackoverflow) 1993-04-15
ES2045991T3 (es) 1994-01-16
CA2029134C (en) 1996-02-06
DE59100503D1 (de) 1993-11-25
JPH04254443A (ja) 1992-09-09
EP0470374A1 (de) 1992-02-12
ATE96203T1 (de) 1993-11-15
FI913352A7 (fi) 1992-02-11
NO912660L (no) 1992-02-11
NO912660D0 (no) 1991-07-08
CA2029134A1 (en) 1992-02-11

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