EP2177702B1 - Profilé creux, notamment tuyau d'écartement pour un vitrage isolant et dispositif et procédé de fabrication du profilé creux - Google Patents

Profilé creux, notamment tuyau d'écartement pour un vitrage isolant et dispositif et procédé de fabrication du profilé creux Download PDF

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Publication number
EP2177702B1
EP2177702B1 EP09170826.3A EP09170826A EP2177702B1 EP 2177702 B1 EP2177702 B1 EP 2177702B1 EP 09170826 A EP09170826 A EP 09170826A EP 2177702 B1 EP2177702 B1 EP 2177702B1
Authority
EP
European Patent Office
Prior art keywords
strip
wall
profile
longitudinal
plastics
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.)
Not-in-force
Application number
EP09170826.3A
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German (de)
English (en)
Other versions
EP2177702A1 (fr
Inventor
Jörg Engelmeyer
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.)
Helmut Lingemann GmbH and Co KG
Original Assignee
Helmut Lingemann GmbH and Co KG
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.)
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Publication date
Application filed by Helmut Lingemann GmbH and Co KG filed Critical Helmut Lingemann GmbH and Co KG
Publication of EP2177702A1 publication Critical patent/EP2177702A1/fr
Application granted granted Critical
Publication of EP2177702B1 publication Critical patent/EP2177702B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/5409—Means for locally spacing the pane from the surrounding frame
    • 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
    • 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
    • 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
    • E06B2003/6638—Section members positioned at the edges of the glazing unit with coatings

Definitions

  • the present invention relates to a spacer tube in the form of a thin-walled, tubular hollow profile for the production of spacer frames of insulating glazing, and a method and an apparatus for its production.
  • a conventional insulating glazing has at least two parallel and spaced-apart glass panes, between which a space between the panes of defined width is provided.
  • a circumferential spacer frame is provided between the two glass panes, which connects the two glass panes in the region of their outer edges of the pane.
  • the spacer frame consists of a thin-walled spacer tube with a substantially flat rectangular cross-section, which has been bent to form the spacer frame accordingly, or of a plurality of individual spacer tubes, which are set by means of corner joints together.
  • spacer tubes made of stainless steel and have a wall thickness of 0.15 to 0.2 mm.
  • These stainless steel spacer tubes are also made by roll bending from a stainless steel strip and then welding the abutting longitudinal edges of the strip.
  • the spacer tubes made of stainless steel are characterized by the fact that they are easy to process further, in particular by machine.
  • the spacer tubes can be easily cut to the correct length and bent to the spacer frame.
  • the material costs of stainless steel have increased enormously, especially in recent years.
  • spacer tubes made of plastic which are produced by extrusion.
  • Spacer tubes made of polymeric materials with low thermal conductivity have a lower heat transfer coefficient compared to spacer tubes made of stainless steel and are cheaper to produce.
  • further processing, especially bending to the spacer frames, is difficult.
  • plastic is not UV-resistant, tends to age and is not completely diffusion-tight. For this reason, it is known the backs of the spacer tubes cover with a metallic foil. The foil acts as a diffusion barrier.
  • the WO / 03/074831 A1 discloses a spacer in the form of a hollow profile for insulating glass elements with two parallel spaced, abutting the discs side walls and two extending between the side walls, extending substantially transversely to the side walls legs.
  • the hollow profile is constructed of a deformation-stable metal sheet and has at least in the region of the outer surface of the side walls on the metal sheet arranged thermal Isolierstoffauflagen.
  • the Isolierstoffauflagen consist of plastic material and extend around the entire outer surface of the spacer tube.
  • an insulating material pad to be provided in the interior of the hollow profile, which extends over the entire inner surface of the cavity in the spacer.
  • the DE 196 02 455 A1 discloses an inner strip for a gas-filled Mehrissuenisolierverglasung with a profile body made of plastic and a gas-tight, metallic barrier layer on the coming into contact with the gas filling of the insulating glazing surface of the profile body.
  • the metallic barrier layer is applied by vapor deposition under vacuum on the respective surface of the profile body.
  • the US 5,466,534 B discloses a spacer tube for insulating glazings having a wall of metal having an outer coating of a polymer.
  • Object of the present invention is thus to provide a spacer tube in the form of a tubular, thin-walled hollow profile for the production of spacer frame of a double glazing, with low Heat transfer value, which is easy and inexpensive to produce and easy to process further.
  • an insulating glazing which has a spacer frame of one or more such spacer tubes.
  • Another object of the invention is to provide a device and a manufacturing method for simple and inexpensive production of such a spacer tube.
  • the spacer tube 14 according to the invention in the form of a thin-walled tubular hollow profile 1 (FIG. Fig.1 . 2 ) has a profile wall 2 with a profile outer surface 3 and a profile inner surface 4, wherein the profile inner surface 4 encloses or defines a profile interior 5.
  • the spacer tube 14 is also designed double-walled, that is, the profile wall 2 consists of an outer wall 6 and an inner wall 7, which are fixed or immovable, connected.
  • the outer wall 6 consists of metal, in particular stainless steel or aluminum, and the inner wall 7 is made of plastic.
  • the outer wall 6 according to the invention has a wall thickness of 0.04 to 0.1 mm, preferably 0.05 to 0.08 mm.
  • the inner wall 7 according to the invention has a wall thickness of 0.15 to 0.5 mm, preferably 0.3 mm.
  • the hollow profile 1 has a longitudinal extent in the direction of a profile longitudinal axis 8.
  • the material of the inner wall 7 is preferably a rotting or composable plastic, which expediently consists of renewable raw material.
  • the plastic is expediently adapted to be treated with ultrasound, in particular by means of ultrasound or notched and notched and injection-molded and extruded.
  • the plastic biopolymers preferably Polyhydroxialkanoate and / or polycaprolactone and / or polyester and / or lignin, and / or lignocellulose and / or natural resins and / or natural fatty acids and / or natural waxes or consists of these substances.
  • the melting point of the plastic is suitably at 100-170 ° C, preferably 120-150 ° C.
  • the plastic preferably has the following material properties (alternative or cumulative).
  • standard prefers Tensile strength ⁇ M [MPa] DIN EN ISO 527-1: 1996-04 40 to 60 45 to 55 Elongation ⁇ M [%] DIN EN ISO 527-1: 1996-04 2 to 2,8 2.3 to 2.5 Breaking stress ⁇ B [MPa] DIN EN ISO 527-1: 1996-04 20 to 30 23 to 27 Elongation at break ⁇ M [%] DIN EN ISO 527-1: 1996-04 7 to 10 9 to 9.8
  • Tensile modulus E [MPa] DIN EN ISO 527-1: 1996-04 2600 to 2800 2720 to 2780 Impact strength (23 ° C) acs [kJm 2 ] EN ISO 179-1-: 2006-05 50 to 65 55 to 60 Melt index (190 ° C / 2.16 kg) [g / 1min] DIN ISO 1133: 2005-09 3 to 5 4 to 4.5 Density [g / cm 3 ] 1 to 1.3 1.2 to 1.25
  • the spacer tube 14 is produced by roll deformation from a double-layered profile wall strip 29 (FIG. Fig. 3 ), which has a coated with a plastic strip 9 metal strip 10, in particular a stainless steel strip or aluminum strip, which will be discussed in more detail below.
  • the spacer tube 14 has a longitudinal weld seam 11 extending parallel to the profile longitudinal axis 8.
  • the longitudinal weld seam 11 By means of the longitudinal weld seam 11, the regions of two longitudinal edges 12 of the metal strip 10 adjoining one another after the roll bending are welded together.
  • the outer wall 6 is bent in the region of the two longitudinal edges 12 in the profile interior 5, so that two flange 13 are formed, wherein the two flange 13 are adjacent to each other and connected by means of the longitudinal weld 11.
  • the longitudinal weld seam 11 is thus preferably a flanged seam and the welded joint is designed as a flange welded joint.
  • the longitudinal weld seam 11 may also be designed as an overlapping seam or as a butt
  • Spacer frames for insulating glazings can be produced from the spacer tube 14 according to the invention.
  • the spacer tube 14 has a substantially rectangular cross section, wherein the profile wall 2 has a, preferably planar, top wall 15, one of these opposite and expediently parallel to this, preferably planar, bottom wall 16 and two, preferably planar, side walls 17.
  • the side walls 17 are preferably arranged perpendicular to the top wall 15 and the bottom wall 16.
  • a transition wall 18 is additionally provided between each of a side wall 17 and the bottom wall 16.
  • the side walls 17 and the top wall 15 preferably merge directly into each other.
  • the mutually adjoining walls 15, 16, 17, 18 are each arranged at an angle to each other and merge into each other via a bending edge or corner edge 33.
  • the two transition walls 18 are preferably designed as a kind chamfer, that is, the corner between each side wall 17 and the bottom wall 16 is flattened by the transition walls 18.
  • the extension of the spacer tube 14 is expediently greater in a width direction 19a perpendicular to the longitudinal axis 8 than in a vertical direction 19b perpendicular thereto and to the longitudinal axis 8.
  • the top wall 15 and the bottom wall 16 extend parallel to the longitudinal axis 8 and the width direction 19a and the side walls 17 extend parallel to the longitudinal axis 8 and the height direction 19b.
  • the top wall 15 is arranged in the installed state of the spacer tube 14 in the insulating glass according to the invention facing a space between two panes cavity facing and the two side walls 17 abut the glass sheets and are connected to these in a conventional manner moisture and airtight by means of a suitable adhesive ,
  • the bottom wall 16 thus points away from the space between the panes.
  • the longitudinal weld 11 is built in State of the spacer tube 14 is not visible, preferably not arranged in the region of the top wall 15.
  • the longitudinal weld seam 11 is arranged in the region of one of the two side walls 17.
  • top wall 15 also preferably several known passage recesses or perforation openings 20, preferably introduced in the form of through the top wall 15 continuous slots, in particular punched, the perforations 20 create a fluidic connection between the profile interior 5 and the space between the panes.
  • the perforation openings 20 may at least partially also be designed as elongated holes which extend parallel to the width direction 19 a (not shown).
  • the production of the spacer tube 14 takes place by means of roll bending and longitudinal welding.
  • a relatively wide metal strip in particular a stainless steel strip or an aluminum strip
  • cut in a metal strip cutting device into a plurality of parallel metal longitudinal strips 10, in particular long strips of stainless steel or aluminum longitudinal strips, and these are preferably wound on a reel.
  • the metal longitudinal strips 10 are already wound on a reel.
  • a relatively wide plastic strip is cut into a plurality of mutually parallel plastic longitudinal strips 9 in a plastic strip cutting device and these are preferably wound onto a reel.
  • the plastic strips 9 are already wound on a reel before.
  • the plastic strip or strips 9 are made by extrusion.
  • the adhesive device has for this purpose an adhesive applicator 21 (FIG. Fig. 4 ), which has a heated melt tank 22 for receiving liquid hotmelt adhesive 23, an applicator roll 24 that can be driven about a horizontal axis of rotation, a counterpressure roller 25 likewise driven about a horizontal axis of rotation, but in an opposite direction of rotation, and expediently two strippers 26, 27, namely a metering scraper 26 and a closure scraper 27.
  • the application roller 24 is arranged below the melt tank 22, so that it closes it down and the hot melt adhesive 23 is distributed to the melt tank 22 facing region of a lateral surface 24a of the applicator roll 24.
  • the two scrapers 26, 27 are adjacent to the applicator roll 24, spaced therefrom by an annular gap.
  • the distance of the Dosierabstreifer 26 to the applicator roll 24 determines the thickness of the adhesive layer having the applicator roll 24 after passing through the Dosierabstreifers 26 on its lateral surface 24a and thus the thickness of the adhesive layer to be applied.
  • the Verschierabstreifer 27 prevents the adhesive leakage at a standing roller 24.
  • the hot melt adhesive 23 on a metal strip 10 of this is guided in a transport direction 28 between the two rollers 24, 25 through.
  • the hot melt adhesive 23 received by the application roller 24 from the melting tank 22 is applied to a metal strip upper side 10a of the metal strip 10.
  • the plastic strip 9 is placed with a plastic strip underside 10b on the provided with adhesive 23 metal strip top 9a and pressed against this, so that the two strips 9, 10 are glued together over the entire surface and form the profile wall strip 29.
  • the plastic strip 9 is thereby placed centrally in relation to the extent of the profile wall strip 29 in a strip width direction 30 on the metal strip 10.
  • the extent of the plastic strip 9 in the strip width direction 30 is less than the extent of the metal strip 10 in the strip width direction 30, so that an edge region 31 of the metal strip 10 is uncoated on both sides ( Fig. 3 ).
  • the joining of plastic strip 9 and metal strip 10 is preferably carried out continuously, in particular horizontal, conveying the metal strip 10 in its longitudinal direction, peeling off the plastic strip 9 of the reel, depositing the plastic strip 9 on the metal strip 10 and pressing the two strips 9, 10 together by means of rollers.
  • the hotmelt adhesive 23 used is preferably a hotmelt adhesive, in particular a 1-component polyurethane adhesive whose base materials are in particular polyurethane prepolymers with isocyanate groups.
  • the hot melt adhesive 23 used has a density of 1.15 to 1.25 g / cm 3 .
  • the hot-melt adhesive 23 preferably has a viscosity (dynamic) of 18,000 to 34,000 mPas.
  • the hot melt adhesive 23 is also preferably insoluble in water.
  • the profile wall strip 29 produced by bonding is expediently fed to a drying device, in particular a drying section, in which the hotmelt adhesive 23 can dry and harden.
  • the profile wall strip 29 is fed to a notching or embossing device of the device according to the invention, by means of the longitudinal grooves or longitudinal corrugations or longitudinally extending notches 32 are introduced into a direction away from the metal strip 10 plastic strip top side 9a, in particular embossed.
  • the longitudinal grooves 32 extend parallel to a strip longitudinal direction 36 and expediently have a V-shaped cross section.
  • the longitudinal grooves 32 are introduced where the buckling edges 33 lie in the later hollow profile 1.
  • the introduction of the longitudinal grooves 32 takes place expediently by heating the plastic material by means of ultrasound and impressing the, preferably wedge-shaped, longitudinal grooves 32 in the heated material.
  • the notching device has an ultrasonic generating device, a sonotrode for supplying the vibrations generated to the plastic strip 9 to be embossed and an anvil roller drivable about a horizontal axis of rotation.
  • the anvil roll is disposed below the sonotrode and spaced therefrom by a defined gap.
  • the sonotrode has a horizontal, the anvil roll facing stamping surface, which has a plurality of adjacent to each other, projecting from the embossing surface beads for introducing the longitudinal grooves 32.
  • the beads extend parallel to a, suitably horizontal, transport direction and are arranged adjacent to each other perpendicular to the transport direction. The arrangement and number of beads depends on the arrangement and number of bending edges 33.
  • the profile wall strip 29 with the plastic upper side 9a of the sonotrode facing in the transport direction, which is parallel to the strip longitudinal direction 36, is carried out between the stamping surface and the anvil roller.
  • the plastic material is heated by means of the sonotrode and impressed using pressure by means of the beads, the longitudinal grooves 32 in the plastic strip top side 9a.
  • a rotating sonotrode is used instead of the stationary sonotrode, which is drivable about a horizontal axis of rotation in the opposite direction of rotation to the anvil roller, wherein the rotational speeds are synchronized.
  • the sonotrode on its Sonotrodenmantel configuration, projecting from this annular beads, which serve to introduce the longitudinal grooves 32.
  • the beads extend circumferentially in the circumferential direction of the sonotrode roller.
  • the through holes 20 are expediently introduced into the profile wall strip 29 in a manner known per se in a stamping device.
  • the profile wall strip 29 is performed in a preferably horizontal, parallel to the strip longitudinal direction 36 transport direction between two punching rollers, which in opposite directions of rotation are driven by a respective horizontal axis and are arranged vertically spaced from each other.
  • the punching rollers have corresponding punching means.
  • the teeth projecting from a stamping roller projecting from its lateral surface and the other punching roller have recesses corresponding thereto.
  • the profile wall strip 29 is continuously deformed into a longitudinally slotted endless hollow profile 38 in a roll bending device or roll forming device of the device according to the invention by rolling deformation, whose cross sectional shape preferably already corresponds to the later desired cross sectional shape.
  • the profile wall strip 29 is bent or bent at the longitudinal grooves 32. The profile wall strip 29 is thus bent around the strip longitudinal direction 36 and the later longitudinal axis 8 parallel axes.
  • the profile wall strip 29 is deformed such that the metal strip 10 is on the outside, in particular the metal strip underside 10b forms the profile outer surface 3 and expediently the two flange flanges 13 are arranged at the top.
  • the appropriate preparation is carried out analogously to the requirements.
  • the roll forming is carried out in a conventional manner with corresponding roll forming tools, in particular with several Umformrollencruen (not shown), which are parallel to the strip longitudinal direction 36, preferably horizontal, conveying direction, in which the profile wall strip 29 is conveyed, arranged one behind the other.
  • the profile wall strip 29 is in each case carried out between the two forming rollers of a Umformrollenpackes.
  • the one forming roller has a concave peripheral surface and the other forming a convex curved peripheral surface, wherein the peripheral surfaces are matched to one another and the curvature of roller pair to roller pair increases so that gradually the profile wall strip 29 is bent to the longitudinally slotted endless hollow profile 38.
  • the two abutting Flanschwangen 13 by generating the longitudinal weld 11, in particular continuously, welded together.
  • the welding takes place for example by means of laser welding.
  • the welding device 37 has a laser beam generating device and means for deflecting the laser beam 34 and directing the laser beam 34 onto the flange arms 13 ( Fig. 5 ).
  • the laser beam 34 is aligned so that it includes with the horizontal conveying direction 35, in which the endless hollow profile 38 is conveyed, or with the surface to be welded, an angle a of 8 to 25 °, preferably 10 to 15 °.
  • the welder 37 is followed by a known calibration device of the device according to the invention, in which the welded continuous hollow profile 38 is calibrated to its final cross-sectional shape.
  • the calibration device expediently has several calibration rollers in a manner known per se.
  • the device according to the invention also has a device adjoining the calibration device for separating the endless hollow profile 38 into spacer tubes 14 of predetermined length.
  • the separating device is, for example, a flying saw, that is to say a saw which moves in the conveying direction during cutting with the endless hollow profile 38.
  • the spacer tube 14 has due to the plastic inner wall 7 and due to its possible small wall thickness of the metal outer wall 6 a very low linear heat transfer coefficients.
  • the linear heat transfer coefficient is 0.03 to 0.07 W / mK, preferably 0.035 to 0.05 W / mK.
  • the small wall thickness of the metal outer wall 6 also has the advantage that enormous material costs are saved in comparison to pure metal hollow profiles. The provision of so small wall thicknesses for the metal outer wall 6 is above all possible because the plastic inner wall 7 supports and stabilizes the metal outer wall 6, so that in particular even with such small wall thickness, the flange 13 can be pressed together with sufficient contact forces and secure welding is achieved ,
  • the spacer tube 14 according to the invention is extremely easy to process further.
  • the spacer tubes 14 according to the invention can be bent into spacer frames in a conventional manner and on conventional machines.
  • the spacer tube 14 according to the invention can also be painted without difficulty.
  • the profile outer surface 3 is UV-resistant.
  • the stainless steel outer wall spacer tubes 14 according to the invention may also be used in the renovation or demolition of buildings in which conventional stainless steel or metallically glossy spacer spacers have heretofore been used because of the stainless steel exterior surface.
  • the special selection of the hotmelt adhesive 23 and the plastic material is particularly advantageous, whereby a solid or non-permanent, permanent bond between the plastic strip 9 and the metal strip 10 or the inner wall 7 and the outer wall 6 is created.
  • the spacer tube with paint on the outside.
  • a relatively wide metal strip which is suitably wound on a reel, deducted from this, performed by a paint coater and continuously coated in one side with this color.
  • the coating is carried out by applying the paint e.g. by means of a per se known roller pressure device with an applicator roll.
  • the coated metal strip is cut into a plurality of mutually parallel longitudinal strips 10. This is expediently also carried out continuously in a cutting device.
  • the manufacturing process as a whole or the individual process steps can take place continuously, ie in a single production line or else not continuously, in individual separate devices.
  • the individual devices are arranged downstream of each other according to the process sequence.
  • the introduction of the longitudinal grooves in the plastic strip 9 can also be effected by means of a profiled and heated profile disc or another type of material displacement under thermal influence.
  • the metal strip 10 instead of the metal strip 10, to provide the plastic strip with adhesive 23.
  • the adhesive 23 is applied to the plastic strip underside 9b, wherein the Plastic strip 9 with the plastic strip bottom 9b of the applicator roll 24 facing between the two rollers 24, 25 is performed. Subsequently, both strips 9, 10 are glued together as described above.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Claims (18)

  1. Tube d'entretoisement (14) prenant la forme d'un profilé creux tubulaire (1) destiné à la production de cadres d'entretoisement pour vitrages isolants, pourvu d'une paroi de profilé (2) présentant une surface extérieure métallique de profilé (3) et une surface intérieure de profilé (4), dans lequel la surface intérieure de profilé (4) entoure un espace intérieur de profilé (5),
    caractérisé en ce que
    la paroi de profilé (2) présente une conception à double paroi, par le fait qu'elle est constituée d'une paroi extérieure (6) en métal, en particulier en acier inoxydable ou en aluminium, et d'une paroi intérieure (7) en matière plastique, lesquelles sont assemblées solidement, la paroi extérieure (6) présentant une épaisseur de paroi de 0,04 à 0,1 mm et la paroi intérieure (7) présentant une épaisseur de paroi de 0,15 à 0,5 mm.
  2. Tube d'entretoisement selon la revendication 1,
    caractérisé en ce que
    le tube d'entretoisement (1) est produit par formage par laminage, en particulier à partir d'une lamelle de paroi de profilé (29) à deux couches, et soudé longitudinalement, dans la zone de deux arêtes longitudinales (12), par un cordon de soudure longitudinal (11).
  3. Tube d"'entretoisement selon la revendication 2,
    caractérisé en ce que
    les deux arêtes longitudinales (12) sont repliées pour obtenir des joues de rebord (13), lesquelles sont soudées ensemble au moyen du cordon de soudure longitudinal (11) ou le cordon de soudure longitudinal (11) est réalisé sous la forme d'un cordon de soudure à recouvrement ou d'un cordon de soudure bord à bord.
  4. Tube d'entretoisement selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la paroi intérieure (7) et la paroi extérieure (6) sont collées ensemble, en particulier au moyen d'une colle fusible (23), la colle fusible (23) étant avantageusement une colle thermofusible (23), de préférence une colle en polyuréthane à 1 composant, dont les matières de base sont en particulier des prépolylnères en polyuréthane présentant des groupes isocyanates.
  5. Tube d'entretoisement selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la paroi extérieure (6) présente une épaisseur de paroi de 0,05 à 0,08 mm.
  6. Tube d'entretoisement selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la paroi intérieure (7) présente une épaisseur de paroi de 0,3 mm.
  7. Tube d'entretoisement selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la matière plastique de la paroi intérieure (7) est une matière plastique putrescente et/ou une matière plastique constituée de matières premières renouvelables et présente de préférence les propriétés de matériau suivantes (alternativelnent ou cumulativement) : Norme de préférence Résistance à la traction DIN EN ISO 527-1:1996-04 40 à 60 45 à 55 σM [MPa] Extension εM [%] DIN EN ISO 527-1:1996-04 2 à 2,8 2,3 à 2,5 Contrainte de rupture σB [MPa] DIN EN ISO 527-1:1996-04 20 à 30 23 à 27 Allongement à la rupture εM [%] DIN EN ISO 527-1:1996-04 7 à 10 9 à 9,8 Module d'élasticité de traction E [MPa] DIN EN ISO 527-1:1996-04 2600 à 2800 2720 à 2780 Résilience (23 °C) acU [kJm2] EN ISO 179-1:2006-05 50 à 65 55 à 60 Indice de fusion (190 °C/2, 16 kg) [g/lmin] DIN ISO 1133:2005-09 3 à 5 4 à 4,5 Masse volumique [g/cm3] 1 à 1,3 1,2 à 1,25
  8. Vitrage isolant pourvu de deux vitres parallèle l'une à l'autre et espacées l'une de l'autre, entre lesquelles se situe un espace intermédiaire, et pourvu d'un cadre d'entretoisement périphérique disposé dans l'espace intermédiaire, ce cadre étant constitué d'un ou de plusieurs tubes d'entretoisement, un tube d'entretoisement (14) présentant une paroi de profilé (2) pourvue de deux parois latérales (17), les parois latérales (17) reposant sur les vitres et étant reliées à celles-ci de manière étanche à l'humidité et à l'air au moyen d'un adhésif,
    caractérisé en ce que
    le tube d'entretoisement (14) ou les tubes d'entretoisement (14) sont réalisés selon l'une quelconque des revendications précédentes.
  9. Dispositif de production, en particulier continue, d'un tube d'entretoisement (14) selon l'une quelconque des revendications 1 à 7, comprenant
    a) avantageusement un dispositif de découpage de lame métallique permettant de découper une bande métallique, en particulier une bande d'acier inoxydable ou une bande d'aluminium, en plusieurs lames longitudinales métalliques (10) parallèles les unes aux autres, en particulier des lames d'acier inoxydable ou des lames d'aluminium,
    b) avantageusement un dispositif de découpage de lames de matière plastique pennettant de découper une bande de matière plastique en plusieurs lames longitudinales de matière plastique (9) parallèles les unes aux autres,
    c) un dispositif de collage permettant de coller la lame métallique (10) à la lame de matière plastique (9) pour former une lame de paroi de profilé (29) pourvue de deux arêtes longitudinales (12) latérales,
    d) avantageusement un dispositif d'entaillage ou d'estampage permettant de ménager des nervures longitudinales (32) dans une face supérieure de lame de matière plastique (9a) de la lame de matière plastique (9) orientée en éloignement de la lame métallique (10),
    e) un dispositif de roulage permettant de façonner la lame de paroi de profilé (29) pour obtenir un profilé creux sans fin (38) fendu dans le sens longitudinal, dont les zones présentant les arêtes longitudinales (12) sont contiguës,
    f) un dispositif de soudage (37) permettant de produire un cordon de soudure longitudinal (11) par soudage des deux zones présentant les arêtes longitudinales (12),
    g) avantageusement un dispositif de calibrage permettant de calibrer la forme de section du profilé creux sans fin (38), et
    h) un dispositif de sectionnement permettant de sectionner le profilé creux sans fin (38) en tubes d'entretoisement (14) d'une longueur prédéfinie.
  10. Dispositif selon la revendication 9,
    caractérisé en ce que
    le dispositif de collage comprend un dispositif d'application de colle (21), lequel présente un réservoir de colle (22) pouvant être chauffé destiné à loger une colle fusible liquide (23), un cylindre applicateur (24) pouvant être entraîné autour d'un axe de rotation horizontal, un cylindre de contre-pression (25) pouvant être entraîné dans un sens de rotation inverse et lui-aussi autour d'un axe de rotation horizontal, ainsi qu'avantageusement deux racloirs (26, 27), à savoir un racloir de dosage (26) et un racloir de fermeture (27).
  11. Dispositif selon la revendication 9 ou 10,
    caractérisé en ce que
    le dispositif d'entaillage comprend des moyens permettant de ménager des nervures longitudinales (32) par ultrasons, le dispositif d'entaillage comprenant de préférence un dispositif de production d'ultrasons, une sonotrode permettant d'amener les vibrations produites à la lame de matière plastique (9) à estamper et un cylindre d'enclume pouvant être entraîné autour d'un axe de rotation horizontal et destiné à transporter la lame de paroi de profilé (29), la sonotrode étant de préférence une sonotrode fixe ou rotative.
  12. Dispositif selon l'une quelconque des revendications 9 à 11, caractérisé en ce que
    le dispositif de soudage (37) comprend un dispositif de production de faisceau laser et des moyens permettant de dévier un faisceau laser (34) et d'orienter le faisceau laser (34) sur les zones à souder du profilé creux sans fin (38), le faisceau laser (34) étant conçu de préférence de telle manière qu'il forme avec un dispositif de transport (35), dans lequel le profilé creux sans fin (38) à souder peut être transporté, un angle α de 8 à 25°, de préférence de 10 à 15°.
  13. Procédé de production, en particulier continue, d'un tube d'entretoisement (14) selon l'une quelconque des revendications 1 à 7, de préférence au moyen d'un dispositif selon l'une quelconque des revendications 9 à 12, comprenant les étapes de procédé suivantes :
    a) avantageusement le découpage d'une bande métallique, en particulier d'une bande d'acier inoxydable ou d'une bande d'aluminium, en plusieurs lames longitudinales métalliques (10) parallèles les unes aux autres, en particulier en lames d'acier inoxydable ou en lames d'aluminium,
    b) avantageusement le découpage d'une bande de matière plastique en plusieurs lames longitudinales de matière plastique (9) parallèles les unes aux autres,
    c) le collage de la lame métallique (10) à la lame de matière plastique (9) pour former une lame de paroi de profilé (29) pourvue de deux arêtes longitudinales (12) latérales,
    d) avantageusement la formation de nervures longitudinales (32) dans une face supérieure de lame de matière plastique (9a) de la lame de matière plastique (9) orientée à distance de la lame métallique (10),
    e) le formage par laminage de la lame de paroi de profilé (29) pour obtenir un profilé creux sans fin (38) fendu dans le sens longitudinal, selon lequel les deux zones présentant les arêtes longitudinales (12) sont contiguës, la lame de paroi de profilé (29) étant fléchie de telle manière que la lame métallique (10) forme une paroi extérieure (6) et la lame de matière plastique (9) forme une paroi intérieure (7) du profilé creux sans fin (38),
    f) la production d'un cordon de soudure longitudinal (11) par soudage des zones présentant les deux arêtes longitudinales (12),
    g) avantageusement le calibrage du profilé creux sans fin (38) pour obtenir la fonne de section définitive de ce dernier, et
    h) le sectionnement du profilé creux sans fin (38) en tubes d'entretoisement (14) d'une longueur définie.
  14. Procédé selon la revendication 13,
    caractérisé en ce que
    pour le collage, on utilise une colle fusible (23), laquelle est avantageusement une colle thermofusible (23), de préférence une colle en polyuréthane à 1 composant, dont les matières de base sont en particulier des prépolymères en polyuréthane présentant des groupes isocyanates.
  15. Procédé selon la revendication 13 ou 14,
    caractérisé en ce que,
    pour le collage, la colle (23) est appliquée sur une face supérieure de lame métallique (10a) ou une face inférieure de lame en matière plastique (9b) puis la lame en matière plastique (9) est disposée par une face inférieure de lame en matière plastique (9b) sur la face supérieure de lame métallique (10a) recouverte de colle et les lames (9 ; 10) sont de préférence pressées l'une contre l'autre, la colle fusible (23) étant appliquée de préférence en continu au moyen d'un cylindre applicateur (24) sur la face supérieure de lame métallique (10a) ou sur la face inférieure de lame en matière plastique (9b).
  16. Procédé selon l'une quelconque des revendications 13 à 15, caractérisé en ce que
    les nervures longitudinales (32) sont produites par chauffage de la matière plastique par ultrasons et impression des nervures longitudinales (32) dans le matériau chauffé.
  17. Procédé selon l'une quelconque des revendications 13 à 16, caractérisé en ce que
    lors du fonnage par laminage, la lame de paroi de profilé (29) est infléchie par compression ou recourbée dans la zone des nervures longitudinales (32), de telle sorte que les arêtes infléchies (33) du profilé creux sans fin (38) se situent dans la zone des nervures longitudinales (32).
  18. Procédé selon l'une quelconque des revendications 13 à 17, caractérisé en ce que
    le soudage par faisceau laser s'effectue au moyen d'un faisceau laser (34) orienté vers le matériau à souder, un faisceau laser (34) qui forme un angle α de 8 à 25°, de préférence de 10 à 15°, avec une direction de transport (35) dans laquelle le profilé creux sans fin (38) est transporté étant avantageusement utilisé.
EP09170826.3A 2008-10-20 2009-09-21 Profilé creux, notamment tuyau d'écartement pour un vitrage isolant et dispositif et procédé de fabrication du profilé creux Not-in-force EP2177702B1 (fr)

Applications Claiming Priority (1)

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DE102008052318A DE102008052318A1 (de) 2008-10-20 2008-10-20 Hohlprofil, insbesondere Abstandhalterrohr für eine Isolierverglasung, sowie Vorrichtung und Verfahren zur Herstellung des Hohlprofils

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EP2177702A1 EP2177702A1 (fr) 2010-04-21
EP2177702B1 true EP2177702B1 (fr) 2015-03-18

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US (1) US8484912B2 (fr)
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US8359801B2 (en) 2010-08-02 2013-01-29 Usg Interiors, Llc Grid runner
USD641501S1 (en) 2010-08-12 2011-07-12 Usg Interiors, Inc. Suspended ceiling grid tee assembly
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DE102010056128A1 (de) * 2010-12-22 2012-06-28 Glaswerke Arnold Gmbh & Co. Kg Abstandhalter für Isolierglaseinheiten und Verfahren zu dessen Herstellung
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EP2177702A1 (fr) 2010-04-21
DE202008017865U1 (de) 2010-09-23
DE102008052318A1 (de) 2010-04-22
US20100107529A1 (en) 2010-05-06
US8484912B2 (en) 2013-07-16

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