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EP3891353B1 - Procédé et dispositif de fabrication d'intercalaires thermoplastiques - Google Patents

Procédé et dispositif de fabrication d'intercalaires thermoplastiques Download PDF

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Publication number
EP3891353B1
EP3891353B1 EP19731918.9A EP19731918A EP3891353B1 EP 3891353 B1 EP3891353 B1 EP 3891353B1 EP 19731918 A EP19731918 A EP 19731918A EP 3891353 B1 EP3891353 B1 EP 3891353B1
Authority
EP
European Patent Office
Prior art keywords
spacer
clearance
cover plates
shuttering
glass pane
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
EP19731918.9A
Other languages
German (de)
English (en)
Other versions
EP3891353A1 (fr
Inventor
Manuel SCHÖRGHUBER
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.)
Lisec Austria GmbH
Original Assignee
Lisec Austria GmbH
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 Lisec Austria GmbH filed Critical Lisec Austria GmbH
Publication of EP3891353A1 publication Critical patent/EP3891353A1/fr
Application granted granted Critical
Publication of EP3891353B1 publication Critical patent/EP3891353B1/fr
Active 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
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66328—Section members positioned at the edges of the glazing unit 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
    • E06B3/673—Assembling the units
    • E06B3/67326—Assembling spacer elements with the panes
    • E06B3/6733—Assembling spacer elements with the panes by applying, e.g. extruding, a ribbon of hardenable material on or between the panes

Definitions

  • the invention relates to a method having the features of the introductory part of claim 1.
  • thermoplastic spacers are also used, which are applied either as prefabricated strands or in situ to one of the glass panes of the insulating glass.
  • thermoplastic spacers Connecting the ends of thermoplastic spacers is problematic because problems with tightness and air inclusions can arise in the area of the connected ends.
  • thermoplastic spacers Various proposals for connecting the ends of thermoplastic spacers are known from the state of the art.
  • AT 391 681 B A method and a device for closing openings in spacers are known in which plastic closing compound is pressed from a nozzle into the openings.
  • a method and a device for applying a plastic spacer to a glass panel are known, in which the ends of the strand forming the spacer are tapered in a wedge shape, so that between the ends of the spacer applied to the glass pane there is an abutment surface which is inclined to the longitudinal direction of the spacer.
  • a device for forming corners and for pressing the ends of a flexible spacer that is placed on a glass panel has a clamp that can be pivoted through 90°, whereby one of the two clamping jaws presses the section of the spacer held by the clamp against an abutment when the clamp is pivoted.
  • a pressure stamp that can be pushed forward transversely to the glass panel is provided, which presses the bent end of the spacer against the glass panel.
  • a perforation tool can be provided on the clamp device, which perforates the spacer when it is held by the clamp.
  • DE 24 5 707 A1 discloses a method for producing multi-pane insulating glass, in which two panes of glass are kept at a distance by a spacer running around the edge of the panes, whereby a narrow strip of glass remains free up to the edge of the pane for a sealing compound to fill the sealing space thus formed.
  • a closure is attached around the edge of the pane, sealing the sealing space against the outer surfaces of the panes of glass, with at least one opening through which the sealing compound can then be introduced into is introduced in liquid form while air escapes from one or more openings until the sealing space is completely filled and the sealing compound sets.
  • EP 1 018 590 A2 relates to a method for producing a spacer made of thermoplastic material on glass panes during the production of insulating glass panes, in which thermoplastic material is sprayed along the edge of the glass pane and in the form of a strand onto the glass pane.
  • the invention is based on the object of providing a method of the type mentioned at the outset with which the ends of spacers made of thermoplastic material can be connected in the area of corners without any problems and reliably.
  • the invention is also based on the object of providing a device with which the method can be carried out.
  • the object underlying the invention is also achieved with a device which has the features of the independent claim directed to the device.
  • thermoplastic material is introduced, in particular injected, into the ends of a spacer made of thermoplastic material, not only is air channels reliably avoided, but a visually improved appearance of the area between the ends of a spacer made of thermoplastic material is also achieved.
  • One advantage of the method according to the invention is that it can be used without any problems in the area of spacer corners. It is advantageous that even sharp corners of spacers can be formed.
  • the material which connects the ends of the spacer made of thermoplastic material to one another is introduced, for example injected, into a formwork made of panels, the connection, which is often unsatisfactory in the prior art, is also optically flawless.
  • the method according to the invention also avoids inaccuracies in dosing, which could result in a break in the spacer if underdosed (leading to a leaky insulating glass element). Overdosing is also avoided. This avoids overdosing of the material introduced between the ends of the spacer, which could cause problems during the subsequent sealing of insulating glass blanks.
  • the method is used for in situ applied spacers made of thermoplastic material.
  • the mass introduced into the area between the ends of the spacer can also be a thermoplastic material or a plastic material which is mixed with the mass from which the spacer is formed. is compatible.
  • a glass pane 1 is shown, onto which a spacer 2 is applied.
  • the spacer 2 consists essentially of thermoplastic material and is produced in situ, ie it is sprayed directly onto the glass pane 1.
  • the spacer 2 can be a prefabricated strand of (thermoplastic) material that has been applied to the glass pane 1.
  • This free space 4 is formed, for example, by stopping the application of the plastic strand forming the spacer 2 a little before the start of the application. This creates a free space 4 that has a length of 30 mm, for example.
  • the free space 4 between the ends 3 of the spacer 2 is in the region of a corner of the glass pane 1.
  • a free space 4 between ends 3 of a spacer 2 can be present not only at the beginning and at the end of an otherwise closed spacer 2, but also in other sections of spacers 2 that have been applied (for example sprayed on) to a glass pane 1.
  • a formwork 8 is now arranged in the area of the free space 4 between the ends 3 of the spacer 2.
  • a lateral cover plate 5 is first attached to one side, in particular the outside, of the spacer 2, adjacent to the side thereof.
  • a further cover plate 6 is attached to the other side, in particular the inside, of the spacer 2, adjacent to the side thereof.
  • an upper cover plate 7 (stamp) is inserted between the areas of the cover plates 5 and 6 that protrude from the glass pane 1 beyond the spacer 2 and is moved until it rests against the free surfaces 10 of the spacer 2 facing away from the glass pane 1.
  • a formwork 8 (this forms a mold with a mold cavity which is delimited by the cover plates 5, 6 and 7, by the ends 3 of the spacer 2 and by the glass pane 1) which surrounds the free space 4 between the ends 3 of the spacer 2, thermoplastic material is introduced, for example injected, through the line 9 which is connected to the upper cover plate 7 and extends through it, into the free space 4 enclosed by the formwork 8 (i.e. into the mold cavity).
  • the side cover plates 5 and 6 may be strip-shaped ribs 11 rest against the glass pane 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)

Claims (9)

  1. Procédé pour fermer un espace libre (4) entre des extrémités (3) d'un intercalaire (2) qui a été appliqué sur un vitrage (1), les extrémités (3) de l'intercalaire (2) étant reliées entre elles en introduisant dans l'espace libre (4) un matériau durcissant, caractérisé en ce que l'espace libre (4) entre les extrémités (3) de l'intercalaire (2) se trouve dans la zone d'un coin de l'intercalaire, en ce que, dans la zone de l'espace libre (4) entre les extrémités (3) de l'intercalaire (2), un coffrage (8) qui entoure l'espace libre (4) entre les extrémités (3) de l'intercalaire (2) est appliqué, et en ce que le matériau durcissant est introduit dans l'espace libre (4) entouré par le coffrage (8).
  2. Procédé selon la revendication 1, caractérisé en ce qu'un matériau compatible avec le matériau de l'intercalaire (2) est utilisé comme matériau à introduire dans l'espace libre (4) .
  3. Procédé selon la revendication 1, caractérisé en ce qu'un matériau identique au matériau dont est constitué l'intercalaire (2) est introduit dans l'espace libre (4).
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que le coffrage (8) est formé en appliquant contre les faces latérales de l'intercalaire (2), perpendiculaires au plan du vitrage (1), des plaques de recouvrement latérales (5 et 6) et en plaçant entre les plaques de recouvrement (5 et 6) une plaque de recouvrement supérieure (7) qui vient en appui contre la face libre (10) de l'intercalaire (2).
  5. Procédé selon la revendication 4, caractérisé en ce que du matériau est introduit, par exemple injecté, dans l'espace libre (4) par un perçage dans la plaque de recouvrement supérieure (7) jusqu'à ce que celui-ci soit complètement rempli.
  6. Procédé selon l'une des revendications 4 à 5, caractérisé en ce que le coffrage (8) est retiré après le remplissage de l'espace libre (4) avec du matériau en éloignant les plaques de recouvrement (5, 6 et 7).
  7. Dispositif pour mettre en œuvre le procédé selon l'une des revendications 1 à 6, caractérisé par un coffrage (8) constitué de deux plaques de recouvrement latérales (5 et 6) et d'une plaque de recouvrement supérieure (7) et par une conduite (9) pour amener de la matière plastique dans l'espace intérieur du coffrage (8).
  8. Dispositif selon la revendication 7, caractérisé en ce que la plaque de recouvrement supérieure (7) est insérée entre les zones des plaques de recouvrement latérales (5 et 6) qui s'écartent du vitrage (1) et qui dépassent de l'intercalaire (2).
  9. Dispositif selon la revendication 7 ou 8, caractérisé en ce que les plaques de recouvrement latérales (5 et 6) présentent des nervures (11) en forme de baguette, à appliquer contre le vitrage (1).
EP19731918.9A 2018-12-06 2019-06-13 Procédé et dispositif de fabrication d'intercalaires thermoplastiques Active EP3891353B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT3682018 2018-12-06
PCT/EP2019/065528 WO2020114633A1 (fr) 2018-12-06 2019-06-13 Procédé et dispositif de fabrication d'intercalaires thermoplastiques

Publications (2)

Publication Number Publication Date
EP3891353A1 EP3891353A1 (fr) 2021-10-13
EP3891353B1 true EP3891353B1 (fr) 2024-04-24

Family

ID=66998363

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19731918.9A Active EP3891353B1 (fr) 2018-12-06 2019-06-13 Procédé et dispositif de fabrication d'intercalaires thermoplastiques

Country Status (2)

Country Link
EP (1) EP3891353B1 (fr)
WO (1) WO2020114633A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT526253B1 (de) 2023-02-27 2024-01-15 Lisec Austria Gmbh Verfahren und Vorrichtung zum Schließen einer Stoßstelle in Abstandhaltern

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT390946B (de) 1986-11-03 1990-07-25 Lisec Peter Vorrichtung zum ausbilden einer ecke und zum verpressen der enden von flexiblen abstandhaltern
AT391681B (de) 1987-09-16 1990-11-12 Lisec Peter Verfahren und vorrichtung zum verschliessen von oeffnungen in abstandhaltern
DE4433749C2 (de) 1994-09-22 2002-11-21 Lenhardt Maschinenbau Verfahren und Vorrichtung zum Auftragen eines plastischen Abstandhalters auf eine Glastafel
DE69807211T2 (de) * 1997-05-02 2003-03-20 Luc Lafond Isolierende verbundglasscheibe
AT406979B (de) * 1999-01-08 2000-11-27 Lisec Peter Verfahren zum auftragen eines thermoplastischen abstandhalters auf eine glasscheibe im zuge der herstellung von isolierglasscheiben und zum durchführen des verfahrens verwendbare düse
DE102005044860A1 (de) 2005-09-13 2007-03-15 Lenhardt Maschinenbau Gmbh Isolierglasscheibe und Verfahren zu ihrer Herstellung
AT14493U1 (de) 2014-10-20 2015-12-15 Lisec Austria Gmbh Verfahren und Vorrichtung zum Formen von Ecken in Abstandhaltern für Isolierglas
DE102014115218B3 (de) 2014-10-20 2016-04-14 Bystronic Lenhardt Gmbh Verfahren zum Bilden eines geschlossenen rahmenförmigen Abstandhalters für eine Isolierglasscheibe
DE102015122882A1 (de) 2015-12-29 2017-06-29 Bystronic Lenhardt Gmbh Verfahren zum Bilden eines geschlossenen rahmenförmigen Abstandhalters für eine Isolierglasscheibe

Also Published As

Publication number Publication date
WO2020114633A1 (fr) 2020-06-11
EP3891353A1 (fr) 2021-10-13

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