EP0312440A1 - Abdichtungsvorrichtung für Mehrfachverglasungen - Google Patents

Abdichtungsvorrichtung für Mehrfachverglasungen Download PDF

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Publication number
EP0312440A1
EP0312440A1 EP88402561A EP88402561A EP0312440A1 EP 0312440 A1 EP0312440 A1 EP 0312440A1 EP 88402561 A EP88402561 A EP 88402561A EP 88402561 A EP88402561 A EP 88402561A EP 0312440 A1 EP0312440 A1 EP 0312440A1
Authority
EP
European Patent Office
Prior art keywords
injection nozzle
sealing device
profiles
valve
sealing
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Withdrawn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
EP88402561A
Other languages
English (en)
French (fr)
Inventor
Jean Francqueville
Henri Cunisse
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.)
Saint Gobain Glass France SAS
Original Assignee
Saint Gobain Vitrage SA
Saint Gobain Vitrage International SA
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 Saint Gobain Vitrage SA, Saint Gobain Vitrage International SA filed Critical Saint Gobain Vitrage SA
Publication of EP0312440A1 publication Critical patent/EP0312440A1/de
Withdrawn legal-status Critical Current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
    • E06B3/673—Assembling the units
    • E06B3/67304—Preparing rigid spacer members before assembly
    • E06B3/67308—Making spacer frames, e.g. by bending or assembling straight sections
    • 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
    • E06B3/67304—Preparing rigid spacer members before assembly
    • E06B3/67321—Covering spacer elements, e.g. with sealants
    • 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
    • E06B3/67339—Working the edges of already assembled units
    • E06B3/67343—Filling or covering the edges with synthetic hardenable substances

Definitions

  • the subject of the invention is a device for sealing multiple glazing units in particular at the angles of the spacing frame.
  • the device is applicable to the manufacture on an artisanal or industrial scale of multiple glazing units comprising at least two sheets of glass spaced apart by a blade of a gas, in particular air, intended for thermal and / or acoustic insulation of buildings.
  • a well-known type of insulating glazing comprises two sheets of glass spaced apart by an air gap and joined by means of a spacer frame constituted by hollow metal profiles assembled by corner pieces.
  • the profiles are lined with a molecular sieve, which, among other roles, adsorbs the water molecules trapped in the interlayer of air during the production of the glazing and which would be liable to condense in cold weather, causing the appearance of fogging.
  • the spacer frame is glued to the glass sheets by an elastomeric cord of the butyl rubber type applied directly to the profiles by extrusion through a nozzle.
  • Each corner of the spacer frame is also lined at the corner piece with butyl rubber.
  • the subject of the invention is an automatic device for sealing the angles of the spacer frame which obviates the drawbacks of devices of the art, namely the high cost, the need for mitering of the profiles, the large consumption of butyl rubber, the fingerprints on butyl rubber.
  • the invention relates to the sealing of the corners of a rigid spacer frame for multiple glazing constituted by profiles fitted onto corner pieces, the edges of said frame being intended to be glued to the glass sheets of the multiple glazing by an elastomeric bead. butyl rubber type applied by extension through a nozzle. It proposes a device comprising an injection nozzle, the supply circuit of which is mounted in derivation of the supply circuit of the extrusion nozzle, and which comprises two heads conforming to the shape of the profiles and of the corner piece.
  • the first advantage of this device is that it is directly associated with the extrusion device at the edges, which means a single work station, a single butyl rubber drum and therefore significantly lower investment and operating costs than with the devices. specific to art.
  • the two heads of the injection nozzle make it possible to inject the seal into each end of the hollow sections and only into sections, without seeking to ensure the continuity of the spacer frame at the corners.
  • the injection nozzle perfectly adopts the corner profile before filling, there is no material injected around the part of the corner piece not covered by the profiles.
  • the device is such that the volume of material present in the injection nozzle is small, that is to say in the volume delimited by the last valve of the injection nozzle supply circuit and the two heads.
  • the volume will for example be less than 5 cm3 and preferably 3.5 cm3. This is to avoid the butyl rubber expansion phenomena which result in a flow of the product after closing the valve. If a larger volume is chosen, the nozzle must be equipped with a decompression system such as that described in patent FR 2 207 799.
  • the edges of the nozzle which should come into contact with the spacer frame are preferably sharp.
  • the injection nozzle is preferably in the form of an inverted W, the two heads being located on the lateral branches of the injection nozzle.
  • the valve for closing the supply circuit of the injection nozzle can advantageously be mounted on the purge circuit of the supply circuit of the extraction nozzle. It is preferably controlled by a jack actuated at will by the operator using a pedal.
  • a V guide is preferably provided behind the latter, the distance between the V guide and the injection nozzle being preferably adjustable as a function of the thickness of the spacer frame to ensure injection into the center of the end section of the profiles.
  • Figure 1 is schematically an installation for coating the edges and sealing the corners by means of an organic seal of the butyl rubber type.
  • the sealing material 2 is stored in a barrel 3 at the base of which is provided a plate 4 which directs the butyl rubber towards the circuit 5.
  • the plate 4 is pushed by a jack 6 supplied with pressure through line 7.
  • the pressure exerted on the butyl rubber generates significant friction forces which contribute to heating the butyl rubber.
  • a branch 8 of the circuit 5 leads to a purge 9 closed by a valve 10, said purge serving to drain the air from the circuit at each change of barrel.
  • a branch 11 is mounted on this branch 8 to supply the angle injection nozzle 12, the supply of which is controlled by the valve 13.
  • the injection nozzle 12 has an external profile 14 in the shape of an inverted W which corresponds exactly to the broken line 15 drawn by the contours of the corner of the frame 16.
  • Frame 16 obtained by interlocking of profi hollow strips 17, 18 cut square to a corner piece 19 swollen at its ends 20, 21.
  • the injection nozzle 12 is used for filling by the injection heads 24, 25 onto which the channels 26, 27 of the cavities 22, 23 shaded in FIG. 1.
  • the length and diameter of the channels 26, 27 are chosen so as to determine an optimal volume between the valve 13 and the heads 24, 25, less than 5 cm3 and preferably less than 3.5 cm3 as indicated in the preamble to this memo .
  • edges 28, 29 of the profiles 30 are coated in a manner known per se by means of two fixed nozzles 31, 32 equipped with solenoid valves 33, 34 and supplied by the branches 35, 36 of the supply circuit 5.
  • the optimal injection temperature is of the order of 150 ° C. If the temperature of the butyl rubber is insufficient, the three injection nozzles of the device can be equipped with a thermostatically controlled heating device.
  • FIG. 2 is a more detailed front view of the angle sealing device according to the invention.
  • the injection nozzle 37 is screwed into a tube 38. Its supply is ensured through a valve centered at point 39.
  • the valve opening mechanism 39 responds to commands from the lever 40 in connection with the actuated cylinder 41 by the operator via a foot control.
  • the closing of the valve 39 can likewise be controlled by this pedal or triggered automatically after a predetermined period of time, depending on the thickness of the spacer frame.
  • the purge valve 42 similar to the valve 10, and used at each change of butyl rubber drum.
  • a guide V 43 adjusted behind the injection nozzle 37 so that the axes of symmetry of the injection heads of the nozzle 37 are coincident with the centers of the sections to fill profiles.
  • the adjustment system can advantageously be a system with steps determined according to the different thicknesses of the spacer frame.
  • the guide V 43 can also be fixed, in this case the operator interposes between the V 43 and the frame a shim of appropriate thickness.
  • the device according to the invention is characterized by very great simplicity, guaranteeing a smooth operation and makes it possible to ensure the sealing of the spacer frames in a fast, efficient and very clean manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
EP88402561A 1987-10-13 1988-10-11 Abdichtungsvorrichtung für Mehrfachverglasungen Withdrawn EP0312440A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8714104 1987-10-13
FR8714104A FR2621501B1 (fr) 1987-10-13 1987-10-13 Dispositif d'etanchement de vitrages multiples

Publications (1)

Publication Number Publication Date
EP0312440A1 true EP0312440A1 (de) 1989-04-19

Family

ID=9355761

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88402561A Withdrawn EP0312440A1 (de) 1987-10-13 1988-10-11 Abdichtungsvorrichtung für Mehrfachverglasungen

Country Status (2)

Country Link
EP (1) EP0312440A1 (de)
FR (1) FR2621501B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0445101A1 (de) * 1990-02-28 1991-09-04 Peter Lisec Versiegelungsverfahren für Isolierglas
EP0471247A1 (de) * 1990-08-09 1992-02-19 Lenhardt Maschinenbau GmbH Vorrichtung zum automatischen Füllen der Randfuge von Isolierglasscheiben mit einer Dichtmasse
WO1998057024A1 (en) * 1997-06-11 1998-12-17 Luc Lafond Apparatus and method for sealing the corners of insulated glass assemblies

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226082A1 (de) * 1981-07-24 1983-02-24 Veb Flachglaskombinat Torgau, Ddr 7290 Torgau Verfahren und vorrichtung zum abdichten der eckbereiche von abstandhalterrahmen bei thermoscheiben
DE3221986A1 (de) * 1982-06-11 1983-12-15 Fr. Xaver Bayer Isolierglasfabrik Kg, 7807 Elzach Maschine zum herstellen eines abstandhaltenden innenrahmens fuer eine isolierglasscheibe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226082A1 (de) * 1981-07-24 1983-02-24 Veb Flachglaskombinat Torgau, Ddr 7290 Torgau Verfahren und vorrichtung zum abdichten der eckbereiche von abstandhalterrahmen bei thermoscheiben
DE3221986A1 (de) * 1982-06-11 1983-12-15 Fr. Xaver Bayer Isolierglasfabrik Kg, 7807 Elzach Maschine zum herstellen eines abstandhaltenden innenrahmens fuer eine isolierglasscheibe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0445101A1 (de) * 1990-02-28 1991-09-04 Peter Lisec Versiegelungsverfahren für Isolierglas
EP0471247A1 (de) * 1990-08-09 1992-02-19 Lenhardt Maschinenbau GmbH Vorrichtung zum automatischen Füllen der Randfuge von Isolierglasscheiben mit einer Dichtmasse
WO1998057024A1 (en) * 1997-06-11 1998-12-17 Luc Lafond Apparatus and method for sealing the corners of insulated glass assemblies

Also Published As

Publication number Publication date
FR2621501B1 (fr) 1989-12-15
FR2621501A1 (fr) 1989-04-14

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