EP2166190B1 - Seal profile band, in particular facade seal belt - Google Patents

Seal profile band, in particular facade seal belt Download PDF

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Publication number
EP2166190B1
EP2166190B1 EP20090158963 EP09158963A EP2166190B1 EP 2166190 B1 EP2166190 B1 EP 2166190B1 EP 20090158963 EP20090158963 EP 20090158963 EP 09158963 A EP09158963 A EP 09158963A EP 2166190 B1 EP2166190 B1 EP 2166190B1
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EP
European Patent Office
Prior art keywords
sealing
profile band
lip
strip
sealing profile
Prior art date
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EP20090158963
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German (de)
French (fr)
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EP2166190A3 (en
EP2166190A2 (en
Inventor
Wolfgang Bartelt
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Individual
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Individual
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    • 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
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
    • E06B7/23—Plastic, sponge rubber, or like strips or tubes
    • E06B7/2301—Plastic, sponge rubber, or like strips or tubes without an integrally formed part for fixing the edging
    • 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
    • E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
    • E06B3/62—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats
    • E06B2003/627—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats with specific characteristics concerning the material
    • E06B2003/6276—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats with specific characteristics concerning the material with parts of differing nature, e.g. hardness

Definitions

  • the present invention relates to a sealing element, in particular a facade sealing tape for sealing facades, e.g. for sealing a gap between a plate-shaped element, e.g. a glass sheet or a panel, and a holding profile holding the glass pane or the panel, in the form of a sealing profile strip, which has a Einschnipsmann for clipping into a groove of the holding profile and a sealing region, wherein the sealing region a main sealing lip and a labyrinth seal with labyrinth sealing lips for sealing engagement having on the plate-shaped element.
  • a facade sealing tape for sealing facades, e.g. for sealing a gap between a plate-shaped element, e.g. a glass sheet or a panel, and a holding profile holding the glass pane or the panel, in the form of a sealing profile strip, which has a Einschnipsmann for clipping into a groove of the holding profile and a sealing region, wherein the sealing region a main sealing lip and a labyrin
  • Such a seal is from the DE 20 2006 019 055 U1 known.
  • the DE 20 2006 019 055 U1 discloses a window in which window panes are inserted into a holding profile made of metal, in particular aluminum and held in this at its edge, in particular clamped. Between the holding profile and the window panes, a seal is arranged in each case, which seals the gap between the holding profile and the window panes.
  • These seals are each a sealing profile strip, which has a Einschnips advisor and opposite a sealing area. The Einclipsrau is clipped into a groove of the retaining profile or engaged in this.
  • the sealing area has a main seal lip and a labyrinth seal with a plurality of labyrinth seal lips, with both the main seal lip and the labyrinth seal lips sealingly bearing against the windowpane.
  • the main sealing lip is arranged so that it is visible in the installed state to the outside and visually obscured the labyrinth seal lips.
  • Such seals are common in the market. They are integrally formed and made of a relatively hard material without gas inclusions, in particular of solid EPDM (ethylene-propylene-diene rubber).
  • the DE 298 13 471 U1 shows a glass seal in the form of a Koextrusionsformteils with a substantially uniform cross section, which has a base made of solid flexible plastic, such as EPDM, and a sealing member made of foamed compressible plastic.
  • the base part and the sealing part are connected to one another at an interface.
  • the base part has an anchoring part and an elongate rib, wherein the rib protrudes into the sealing part, so that the amount by which the sealing part can be compressed by the base part is limited by the protruding rib.
  • the sealing part is preferably arranged around a head area of the base part and has a substantially semicircular outer profile.
  • Object of the present invention is to provide a sealing element, in particular a facade sealing strip of the type mentioned above, which ensures a reduced heat transfer value (U value) when installed, the sealing element should be easy and safe to install and inexpensive to produce.
  • the sealing profile strip according to the invention is in particular a facade sealing strip for sealing facades, for example for sealing a gap between a plate-shaped element, for example a glass pane or a panel, and a holding profile holding the plate-shaped element, and has one side parallel to a longitudinal central axis of the sealing profile strip extending Einclipsang for clipping into a groove of the retaining profile and on the other side a sealing region, wherein the sealing region has a main sealing lip and a labyrinth seal with multiple labyrinth seal lips for sealing engagement with the plate-shaped element.
  • the sealing area has a, in particular profiled, sealing strip of a closed-cell elastomer with gas inclusions or sponge rubber, which has the labyrinth seal
  • the sealing profile strip has a pressure punch-like Druckkraftübertragungswulst, which is arranged opposite the Einschnipsmann and extending into the sealing strip inside.
  • the labyrinth sealing lips are arranged downstream of the main sealing lip in a circumferential direction of the sealing profile strip and arranged adjacent to one another in the circumferential direction of the sealing profile strip and in a band width direction, the main sealing lip projecting beyond the labyrinth sealing lips on the other side.
  • the sealing strip on the other side on a sealing surface on which the labyrinth sealing lips are arranged wherein preferably 2 to 10, preferably 3 to 5 labyrinth sealing lips are provided.
  • the Druckkraftübertragungswulst, the Einschnipsance and the main sealing lip are made in one piece and consist of a solid plastic.
  • the sealing strip extends along a lip end face of the main sealing lip up to another lip end edge of the main sealing lip.
  • the sealing strip is vulcanized to the main sealing lip, in particular to a lip inner surface of the main sealing lip and the Druckkraftübertragungswulst.
  • the sealing element 1 according to the invention is a long stretched formed sealing strip 2 with a longitudinal central axis 2a.
  • the seal 1 serves in particular as a facade seal for sealing facades, for example for sealing a gap between a plate-shaped element 16, for example a glass pane or a panel, and a holding element holding the plate-shaped element 16.
  • the sealing profile strip 2 has on one side or holding profile side a clip strip or a clip foot strip 3 for clipping or latching into a groove of a holding profile, in particular a metal profile rail, preferably made of aluminum (not shown) ,
  • the sealing profile strip 2 On an opposite side, ie on the other side or on the plate side, the sealing profile strip 2 has a sealing region 17.
  • the Einclipsor 3 is known per se and designed as a hollow profile strip.
  • the Einschnipsor 3 has a longitudinal central axis 2a perpendicular Leistenerstreckungsachse 4, a perpendicular end wall 5, two side walls 6 and a bottom wall 7 and two laterally adjoining the end wall 5, laterally projecting locking lugs 8.
  • the Einschnipsor 3 thus has a mushroom-shaped cross-section.
  • the Einschnipsarm 3 also consists in a conventional manner of a relatively hard, less elastic material to ensure a good and tamper-proof grip of the seal 1 in the holding profile.
  • the material of the clip strip 3 has an elastic modulus of 4.5 N / mm 2 to 5.5 N / mm 2 .
  • the material of the clip strip 3 is a solid plastic, ie one Plastic with a homogeneous structure without gas inclusions or cells, preferably a solid elastomer and / or a solid thermoplastic, in particular solid EPDM or solid TPE or PVC (polyvinyl chloride) with plasticizer, wherein the material has a Shore A hardness of 30 ° to 80 °, preferably 40 ° to 60 °.
  • the material of the clip strip 3 preferably has a density of 1.2 to 1.4 g / cm 2 , preferably 1.2 to 1.3 g / cm 2 .
  • the sealing profile strip 2, in particular the sealing region 17 at least one, preferably two shoulder walls 9a, 9b, which connect on both sides of the clip strip 3, in particular the bottom wall 7, and are preferably designed in one piece with this.
  • a main sealing lip 10 likewise part of the sealing region 17, adjoins the one shoulder wall 9a.
  • the main sealing lip 10 extends away from the shoulder wall 9a, preferably initially parallel to the foot extension axis 4.
  • the main sealing lip 10 is preferably integrally formed on the shoulder wall 9a, that is designed in one piece with this.
  • the main sealing lip 10 expediently an arcuate course, wherein a lip outer surface 11 is concave.
  • the main sealing lip 10 also has a lip inner surface 13 which is convex. That is, the main seal lip 10 bends away from the longitudinal central axis 2a.
  • one of the shoulder wall 9a opposite lip end region 12 is aligned substantially radially to the longitudinal central axis 2a.
  • a per se known, projecting cover lip 14 is also formed.
  • the cover 14 serves as a screen to cover the retaining profile.
  • the sealing region 17 also has a profiled sealing strip 15 of relatively soft, yielding material.
  • the sealing strip 15 consists of rubber-elastic and / or elastic and reversibly recoverable material.
  • the sealing region 15 consists of a closed-cell elastomer with gas inclusions or, in particular foamed, sponge rubber. It is preferably EPDM (ethylene-propylene-diene monomer or ethylene-propylene terpolymer or ethylene-propylene-diene rubber) or TPE (thermoplastic elastomers), wherein the Shore A hardness of the material is preferably 5 ° to 25 °, preferably 10 ° to 20 °.
  • the material of the sealing strip 15 expediently has an modulus of elasticity (elastic modulus) ⁇ 5.5 N / mm 2 , preferably ⁇ 5 N / mm 2 , in particular from 4.5 to 5.5 N / mm 2 .
  • the modulus of elasticity is preferably ⁇ 5 N / mm 2 .
  • the material of the sealing strip 15 preferably has a density of 0.55 to 0.85 g / cm 2 , preferably 0.65 to 0.7 g / cm 2 .
  • the sealing strip 15 is arranged in the direction of the Leistenerstreckungsachse 4 opposite to Einschnipsmann 3.
  • the sealing strip 15 is thus arranged on the plate side.
  • the sealing strip 15 connects both on the inside to the main sealing lip 10 and to the two shoulder walls 9a, 9b.
  • the sealing strip 15 is arranged in particular on Schulterwandungsinnen vom 18 and according to the invention on the inner lip surface 13 of the main sealing lip 10 and fixedly connected to these, in particular glued to these or vulcanized together.
  • the sealing strip 15 also has on the plate side a sealing surface 19 on which a plurality, preferably 2 to 10, preferably 3 to 5, labyrinth sealing lips 20 of a labyrinth seal are provided.
  • the sealing surface 19 is arranged opposite to the clip strip 3 directed away from the latter and preferably extends in a direction to the longitudinal central axis 2a and to Lever extension axis 4 vertical belt width direction 21.
  • the labyrinth seal lips 20 close in the circumferential direction of the sealing profile strip 2 to the main seal lip 10, so these are downstream, and are arranged in the circumferential direction and in the bandwidth direction 21 in succession or adjacent to each other.
  • the main sealing lip 10 projects beyond the labyrinth sealing lips 20 in the uninstalled state on the plate side, ie in a direction parallel to the strip extension direction 4, and is arranged in the installed state so that it is visible from the outside and visually covers the labyrinth sealing lips.
  • the lip end region 12 projects beyond the labyrinth seal lips 20 on the plate side.
  • the lip end region 12 on the inner surface of the lip 13, ie on the plate side likewise has the rubber-elastic material of the sealing strip 15.
  • the sealing strip 15 thus extends along the lip inner surface 13 as far as a lip end edge 22.
  • the main sealing lip 10 consists of the same material as the Einschnipsance 3 and the shoulder walls 9a, 9b, wherein the main sealing lip 10 is reversibly deformable and bendable so that it rests sealingly on the element 16 in the installed state.
  • the main sealing lip 10 preferably has a hook-like projection edge or undercut edge 34, for reasons of manufacturing technology in particular, due to the tool flow at the lip end edge 22.
  • the undercut edge 34 extends away from the inner surface of the lip 13 and is integrally formed thereon.
  • the main sealing lip 10 is seen from the outside in a sealing direction 23, the first sealant, which prevents the ingress of moisture.
  • the labyrinth sealing lips 20 are arranged downstream of the main sealing lip 10 in the sealing direction 23 and serve for additional sealing and ensure a wide bearing surface of the sealing profile strip 2 on the plate-shaped element 16 to be sealed, so that the sealing profile strip 2 rests against the plate-shaped element 16 in a tip-safe manner.
  • Adjoining the sealing surface 19 in the circumferential direction is a suitably flat, outer strip side surface 24, which preferably extends parallel to the strip extension axis 4 and parallel to the longitudinal center axis 2a.
  • the sealing strip 15 expediently also extends at least as far as the shoulder wall 9b, preferably slightly beyond the shoulder wall 9b, and has a protrusion 25 which has been raised to the clip strip 3 and extends along a shoulder wall side edge 26 of the shoulder wall 9b. At least the sealing strip 15 thus extends in the bandwidth direction 21 over the width of the two shoulder walls 9a, 9b.
  • the sealing strip 15 is firmly connected in the region of the projection 25 with the shoulder wall side edge 26, in particular glued to this or vulcanized together with this.
  • the projection 25 terminates flush with a shoulder wall outer surface 27 of the shoulder wall 9b, so that a first planar support edge surface 28 perpendicular to the base extension axis 4 is formed by the projection 25 and the shoulder wall outer surface 27.
  • the shoulder wall outer surface 27 of the other shoulder wall 9a forms a second abutment edge surface 28b which is coplanar with the first abutment surface 28a.
  • the sealing strip 15 made of rubber-elastic material is achieved in a particularly advantageous manner that the seal 1 according to the invention has a significantly lower heat transfer value, ie a significantly lower heat transfer than the known seal.
  • the resilient material which is provided on the one hand on the inner lip surface 13, and from which the labyrinth seal lips 20 are made, fits much better to the sealed plate-shaped element 16 ( Fig. 1 ), so that the seal 1 according to the invention seals and insulates significantly better than the known seal.
  • Particularly advantageous for the thermal insulation or thermal insulation is also the closed-cell nature of the material of the sealing strip 15.
  • the sealing profile strip 2 also has a Druckkraftübertragungswulst or Druckkraftzentri mecanicswulst or Druckkraftabilitywulst 29 extending parallel to the longitudinal central axis 2a.
  • the Druckkraftübertragungswulst 29 connects to the bottom wall 7 of the Einschnipsance 3 and extends from this in a direction parallel to the Leistenerstreckungsachse 4 direction away, ie to the plate-shaped element 16 and to a plate side.
  • the Druckkraftschreibungswulst 29 is directed away in a direction parallel to the strip extension axis 4 direction of the Einschnipsador 3 and extends into the sealing strip 15 inside.
  • the Druckkraftübertragungswulst 29 is disposed in a recess 30 of the sealing strip 15.
  • the Druckkraftübertragungswulst 29 tapers plate side and expediently has a triangular cross-section.
  • the Druckkraftübertragungswulst 29 two lateral edges 31, which merge into one another via a rounded edge 32.
  • the edge 32 may also be formed flattened (not shown). The edge 32 ends plate-side preferably at the level at which the labyrinth seal lips 20 begin or something before.
  • the Druckkraftübertragungswulst 29 extends on the plate side to the level at which the labyrinth seal lips 20 begins or ends, especially in a direction parallel to the Leistenerstreckungsachse 4 direction, something, in particular 0 to 1.0 mm in front.
  • the pressure-force transfer bead 29 preferably extends at least over the entire width of the clip-in strip 3 in the width direction, ie, viewed parallel to the belt width direction 21.
  • the pressure-punch-like Druckkraftübertragungswulst 29 serves for a targeted transmission and application of mounting pressure on the Einschnipsance 3 during assembly of the seal 1 according to the invention, in which the Einschnipsmann 3 is clipped or snapped against a defined locking resistance in the groove of the holding profile.
  • the edge 32 of the Druckkraftübertragungswulstes 29 is applied to the assembly of the sealing surface 19 forth, so the plate side with the mounting pressure in a direction parallel to the Leistenerstreckungscardi 4 direction.
  • this is done by means of a pressure roller which has a roll axis parallel to the belt width direction 21 and rolls around the roll axis on the sealing surface 19 and the main sealing lip 10 on the inside.
  • the Druckkraftübertragungswulst 29 is made of a less elastic material as the sealing strip 15.
  • the material of the pressure force transmission bead 29 has an E-modulus of 4.5 N / mm 2 to 5.5 N / mm 2 .
  • the pressure force transmission bead 29 consists of solid EPDM, in particular with a hardness Shore A of 30 ° to 80 °, preferably 40 ° to 60 °.
  • the Druckkraftübertragungswulst 29 thus consists according to the invention of the material of the clip strip. 3
  • the Druckkraftübertragungswulst 29, the Einschnipsance 3 and the main sealing lip 10, and preferably the shoulder walls 9a, 9b are integrally formed.
  • the entire sealing profile strip 2 is preferably produced by extrusion, so it is extruded.
  • the Druckkraftübertragungswulst 29 but also fulfills a function in the installed state. Because when pressure on the sealing profile strip 2 by the plate-shaped element 16, e.g. Due to wind power, it is prevented that the sealing profile strip 2 is pressed uncontrollably and unevenly together, since the sealing profile strip 2, in particular the compliant sealing strip 15 can be compressed in a direction parallel to the Leistenerstreckungsachse 4 direction only to the edge 32 of the bead 29. Because the Druckkraftübertragungswulst 29 and the Einschnipsmann 3, which is supported on the holding profile, bring a counterforce. As a result, the plate-shaped element 16, which is usually arranged between two seals 1 (not shown), held stable and tilt-proof between the two seals 1. In addition, there is no gap between one of the two seals 1 and the element 16 to be sealed.
  • the stretch assurance 33 is a vulcanized into the Druckkraftübertragungswulst 29, in a conventional manner surface-treated thread extending parallel to the longitudinal center axis 2a.
  • the stretch assurance 33 acts as a reinforcement and prevents overstretching of the sealing profile strip 2 during assembly.
  • the seal according to the invention is due to the two-part design on the one hand from the elastomeric material in the sealing area and on the other hand created from the less elastic material for the Einschnipsmann and by providing the Druckkraftübertragungswulstes a seal that has excellent sealing properties, is easy and safe to install and the one ensures good grip of the plate-shaped element between two seals according to the invention or a seal according to the invention and an otherwise designed seal for generating the back pressure.
  • the seal according to the invention is simple, inexpensive and quickly produced by extrusion.

Description

Die vorliegende Erfindung betrifft ein Dichtelement, insbesondere eine Fassadendichtungsband zur Abdichtung von Fassaden, z.B. zur Abdichtung eines Spaltes zwischen einem plattenförmigem Element, z.B. einer Glasscheibe oder einem Paneel, und einem die Glascheibe bzw. das Paneel haltenden Halteprofil, in Form eines Dichtungsprofilbandes, das eine Einclipsleiste zum Einclipsen in eine Nut des Halteprofils und einen Dichtbereich aufweist, wobei der Dichtbereich eine Hauptdichtungslippe und eine Labyrinthdichtung mit Labyrinthdichtungslippen zur dichtenden Anlage an dem plattenförmigen Element aufweist.The present invention relates to a sealing element, in particular a facade sealing tape for sealing facades, e.g. for sealing a gap between a plate-shaped element, e.g. a glass sheet or a panel, and a holding profile holding the glass pane or the panel, in the form of a sealing profile strip, which has a Einschnipsleiste for clipping into a groove of the holding profile and a sealing region, wherein the sealing region a main sealing lip and a labyrinth seal with labyrinth sealing lips for sealing engagement having on the plate-shaped element.

Eine derartige Dichtung ist aus der DE 20 2006 019 055 U1 bekannt. Die DE 20 2006 019 055 U1 offenbart ein Fenster, bei dem Fensterscheiben in ein Halteprofil aus Metall, insbesondere Aluminium eingesetzt und in diesem an ihrem Rand gehaltert, insbesondere festgeklemmt werden. Zwischen dem Halteprofil und den Fensterscheiben ist jeweils eine Dichtung angeordnet, die den Spalt zwischen dem Halteprofil und den Fensterscheiben abdichtet. Bei diesen Dichtungen handelt es sich jeweils um ein Dichtungsprofilband, das eine Einclipsleiste und gegenüberliegend einen Dichtbereich aufweist. Die Einclipsleiste ist in eine Nut des Halteprofils eingeclipst bzw. in dieser eingerastet. Der Dichtbereich weist eine Hauptdichtungslippe und eine Labyrinthdichtung mit mehreren Labyrinthdichtungslippen auf, wobei sowohl die Hauptdichtungslippe als auch die Labyrinthdichtungslippen an den Fensterscheiben dichtend anliegen. Die Hauptdichtungslippe ist dabei so angeordnet, dass sie im eingebauten Zustand nach außen hin sichtbar ist und die Labyrinthdichtungslippen optisch verdeckt.Such a seal is from the DE 20 2006 019 055 U1 known. The DE 20 2006 019 055 U1 discloses a window in which window panes are inserted into a holding profile made of metal, in particular aluminum and held in this at its edge, in particular clamped. Between the holding profile and the window panes, a seal is arranged in each case, which seals the gap between the holding profile and the window panes. These seals are each a sealing profile strip, which has a Einschnipsleiste and opposite a sealing area. The Einclipsleiste is clipped into a groove of the retaining profile or engaged in this. The sealing area has a main seal lip and a labyrinth seal with a plurality of labyrinth seal lips, with both the main seal lip and the labyrinth seal lips sealingly bearing against the windowpane. The main sealing lip is arranged so that it is visible in the installed state to the outside and visually obscured the labyrinth seal lips.

Solche Dichtungen sind auf dem Markt verbreitet. Sie sind einstückig ausgebildet und bestehen aus einem relativ harten Material ohne Gaseinschlüsse, insbesondere aus Solid-EPDM (Ethylen-Propylen-Dien-Kautschuk).Such seals are common in the market. They are integrally formed and made of a relatively hard material without gas inclusions, in particular of solid EPDM (ethylene-propylene-diene rubber).

Aus der DE 298 13 471 U1 geht eine Glasdichtung in Form eines Koextrusionsformteils mit einem im wesentlichen gleichförmigen Querschnitt hervor, die ein Basisteil aus festem flexiblem Kunststoff, z.B. EPDM, und einen Dichtungsteil aus geschäumtem kompressiblem Kunststoff aufweist. Dabei sind der Basisteil und der Dichtungsteil an einer Schnittstelle miteinander verbunden. Gemäß der DE 298 13 471 U1 weist der Basisteil einen Verankerungsteil und eine längliche Rippe auf, wobei die Rippe in den Dichtungsteil hineinragt, so dass der Betrag, um den der Dichtungsteil durch den Basisteil zusammengedrückt werden kann, durch die hervorstehende Rippe begrenzt ist. Das Dichtungsteil ist vorzugsweise um einen Kopfbereich des Basisteils herum angeordnet und weist ein im Wesentlichen halbkreisförmiges Außenprofil auf.From the DE 298 13 471 U1 shows a glass seal in the form of a Koextrusionsformteils with a substantially uniform cross section, which has a base made of solid flexible plastic, such as EPDM, and a sealing member made of foamed compressible plastic. In this case, the base part and the sealing part are connected to one another at an interface. According to the DE 298 13 471 U1 For example, the base part has an anchoring part and an elongate rib, wherein the rib protrudes into the sealing part, so that the amount by which the sealing part can be compressed by the base part is limited by the protruding rib. The sealing part is preferably arranged around a head area of the base part and has a substantially semicircular outer profile.

Aufgabe der vorliegenden Erfindung ist die Bereitstellung eines Dichtungselementes, insbesondere eines Fassadendichtungsbandes der oben genannten Art, das im eingebauten Zustand einen verringerten Wärmedurchgangswert (U-Wert) gewährleistet, wobei das Dichtungselement einfach und sicher montierbar sein soll und kostengünstig herstellbar sein soll.Object of the present invention is to provide a sealing element, in particular a facade sealing strip of the type mentioned above, which ensures a reduced heat transfer value (U value) when installed, the sealing element should be easy and safe to install and inexpensive to produce.

Diese Aufgabe wird durch die Merkmale von Anspruch 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den sich anschließenden Unteransprüchen gekennzeichnet.This object is solved by the features of claim 1. Advantageous developments of the invention are characterized in the subsequent subclaims.

Das erfindungsgemäße Dichtungsprofilband ist insbesondere ein Fassadendichtungsband zur Abdichtung von Fassaden, z.B. zur Abdichtung eines Spaltes zwischen einem plattenförmigem Element, z.B. einer Glasscheibe oder einem Paneel, und einem das plattenförmige Element haltenden Halteprofil, und weist einseitig eine sich parallel zu einer Längsmittelachse des Dichtungsprofilbandes erstreckende Einclipsleiste zum Einclipsen in eine Nut des Halteprofils und andernseitig einen Dichtbereich auf, wobei der Dichtbereich eine Hauptdichtungslippe und eine Labyrinthdichtung mit mehreren Labyrinthdichtungslippen zur dichtenden Anlage an dem plattenförmigen Element aufweist. Zudem weist der Dichtbereich einen, insbesondere profilierten, Dichtstreifen aus einem geschlossenzelligen Elastomer mit Gaseinschlüssen oder Moosgummi auf, der die Labyrinthdichtung aufweist, und das Dichtungsprofilband weist einen druckstempelartigen Druckkraftübertragungswulst auf, der gegenüberliegend zur Einclipsleiste angeordnet ist und der sich in den Dichtstreifen hinein erstreckt. Dabei sind die Labyrinthdichtungslippen in eine Umfangsrichtung des Dichtungsprofilbandes der Hauptdichtungslippe nachgeordnet und jeweils in Umfangsrichtung des Dichtungsprofilbandes und in eine Bandbreitenrichtung zueinander benachbart angeordnet, wobei die Hauptdichtungslippe die Labyrinthdichtungslippen andernseitig überragt.The sealing profile strip according to the invention is in particular a facade sealing strip for sealing facades, for example for sealing a gap between a plate-shaped element, for example a glass pane or a panel, and a holding profile holding the plate-shaped element, and has one side parallel to a longitudinal central axis of the sealing profile strip extending Einclipsleiste for clipping into a groove of the retaining profile and on the other side a sealing region, wherein the sealing region has a main sealing lip and a labyrinth seal with multiple labyrinth seal lips for sealing engagement with the plate-shaped element. In addition, the sealing area has a, in particular profiled, sealing strip of a closed-cell elastomer with gas inclusions or sponge rubber, which has the labyrinth seal, and the sealing profile strip has a pressure punch-like Druckkraftübertragungswulst, which is arranged opposite the Einschnipsleiste and extending into the sealing strip inside. In this case, the labyrinth sealing lips are arranged downstream of the main sealing lip in a circumferential direction of the sealing profile strip and arranged adjacent to one another in the circumferential direction of the sealing profile strip and in a band width direction, the main sealing lip projecting beyond the labyrinth sealing lips on the other side.

Vorzugsweise weist der Dichtstreifen andernseitig eine Dichtfläche auf, an der die Labyrinthdichtungslippen angeordnet sind, wobei vorzugsweise 2 bis 10, bevorzugt 3 bis 5 Labyrinthdichtungslippen vorgesehen sind.Preferably, the sealing strip on the other side on a sealing surface on which the labyrinth sealing lips are arranged, wherein preferably 2 to 10, preferably 3 to 5 labyrinth sealing lips are provided.

Zudem sind erfindungsgemäß der Druckkraftübertragungswulst, die Einclipsleiste und die Hauptdichtungslippe einstückig ausgeführt und bestehen aus einem Solidkunststoff. Außerdem erstreckt sich der Dichtstreifen erfindungsgemäß an einer Lippenendfläche der Hauptdichtungslippe entlang bis zu einer andernseitigen Lippenendkante der Hauptdichtungslippe.In addition, according to the invention the Druckkraftübertragungswulst, the Einschnipsleiste and the main sealing lip are made in one piece and consist of a solid plastic. In addition, according to the invention, the sealing strip extends along a lip end face of the main sealing lip up to another lip end edge of the main sealing lip.

Zweckmäßigerweise ist der Dichtstreifen an die Hauptdichtungslippe, insbesondere an eine Lippeninnenfläche der Hauptdichtungslippe und den Druckkraftübertragungswulst anvulkanisiert.Appropriately, the sealing strip is vulcanized to the main sealing lip, in particular to a lip inner surface of the main sealing lip and the Druckkraftübertragungswulst.

Im Folgenden wird die Erfindung anhand einer Zeichnung beispielhaft näher erläutert. Es zeigt:

Figur 1:
Einen Querschnitt des erfindungsgemäßen Dichtungsprofilbandes im nicht eingebauten Zustand und im eingebauten Zustand (gestrichelt)
In the following the invention will be explained in more detail by way of example with reference to a drawing. It shows:
FIG. 1:
A cross section of the sealing strip according to the invention in the non-installed state and in the installed state (dashed)

Bei der erfindungsgemäßen Dichtung bzw. dem erfindungsgemäßen Dichtungselement 1 (Fig. 1) handelt es sich um ein lang gestreckt ausgebildetes Dichtungsprofilband 2 mit einer Längsmittelachse 2a. Die Dichtung 1 dient insbesondere als Fassadendichtung zur Abdichtung von Fassaden, z.B. zur Abdichtung eines Spaltes zwischen einem plattenförmigem Element 16, z.B. einer Glasscheibe oder einem Paneel, und einem das plattenförmige Element 16 haltenden Halteprofil. Das Dichtungsprofilband 2 weist dazu einseitig bzw. halteprofilseitig eine sich in Richtung der Längsmittelachse 2a erstreckende Einclipsleiste bzw. eine Einclipsfußleiste 3 zum Einclipsen bzw. Einrasten in eine dafür vorgesehene Nut eines Halteprofils, insbesondere einer Profilschiene aus Metall, bevorzugt aus Aluminium (nicht dargestellt) auf. An einer gegenüberliegenden Seite, also andernseitig bzw. plattenseitig weist das Dichtungsprofilband 2 einen Dichtbereich 17 auf.In the seal according to the invention or the sealing element 1 according to the invention ( Fig. 1 ) is a long stretched formed sealing strip 2 with a longitudinal central axis 2a. The seal 1 serves in particular as a facade seal for sealing facades, for example for sealing a gap between a plate-shaped element 16, for example a glass pane or a panel, and a holding element holding the plate-shaped element 16. To this end, the sealing profile strip 2 has on one side or holding profile side a clip strip or a clip foot strip 3 for clipping or latching into a groove of a holding profile, in particular a metal profile rail, preferably made of aluminum (not shown) , On an opposite side, ie on the other side or on the plate side, the sealing profile strip 2 has a sealing region 17.

Die Einclipsleiste 3 ist an sich bekannt und als Hohlprofilband ausgebildet. Die Einclipsleiste 3 weist eine zur Längsmittelachse 2a senkrechte Leistenerstreckungsachse 4, eine dazu senkrechte Stirnwandung 5, zwei Seitenwandungen 6 und eine Bodenwandung 7 sowie zwei sich seitlich an die Stirnwandung 5 anschließende, seitlich abstehende Rastnasen 8 auf. Die Einclipsleiste 3 weist somit einen pilzförmigen Querschnitt auf.The Einclipsleiste 3 is known per se and designed as a hollow profile strip. The Einschnipsleiste 3 has a longitudinal central axis 2a perpendicular Leistenerstreckungsachse 4, a perpendicular end wall 5, two side walls 6 and a bottom wall 7 and two laterally adjoining the end wall 5, laterally projecting locking lugs 8. The Einschnipsleiste 3 thus has a mushroom-shaped cross-section.

Die Einclipsleiste 3 besteht zudem in an sich bekannter Weise aus einem relativ harten, weniger elastischen Material, um einen guten und kippsicheren Halt der Dichtung 1 im Halteprofil zu gewährleisten. Insbesondere weist das Material der Einclipsleiste 3 ein E-Modul (Elastizitätsmodul) von 4,5 N/mm2 bis 5,5 N/mm2 auf. Erfindungsgemäß handelt es sich bei dem Material der Einclipsleiste 3 um einen Solid-Kunststoff, also einen Kunststoff mit homogener Struktur ohne Gaseinschlüsse bzw. Zellen, vorzugsweise einen Solid-Elastomer und/oder einen Solid-Thermoplasten, insbesondere Solid-EPDM oder Solid-TPE oder PVC (Polyvinylchlorid) mit Weichmacher, wobei das Material eine Härte Shore-A von 30° bis 80°, bevorzugt 40° bis 60° aufweist. Des Weiteren weist das Material der Einclipsleiste 3 vorzugsweise eine Dichte von 1,2 bis 1,4 g/cm2, bevorzugt 1,2 bis 1,3 g/cm2 auf.The Einschnipsleiste 3 also consists in a conventional manner of a relatively hard, less elastic material to ensure a good and tamper-proof grip of the seal 1 in the holding profile. In particular, the material of the clip strip 3 has an elastic modulus of 4.5 N / mm 2 to 5.5 N / mm 2 . According to the invention, the material of the clip strip 3 is a solid plastic, ie one Plastic with a homogeneous structure without gas inclusions or cells, preferably a solid elastomer and / or a solid thermoplastic, in particular solid EPDM or solid TPE or PVC (polyvinyl chloride) with plasticizer, wherein the material has a Shore A hardness of 30 ° to 80 °, preferably 40 ° to 60 °. Furthermore, the material of the clip strip 3 preferably has a density of 1.2 to 1.4 g / cm 2 , preferably 1.2 to 1.3 g / cm 2 .

Außerdem weist das Dichtungsprofilband 2, insbesondere der Dichtbereich 17 zumindest eine, vorzugsweise zwei Schulterwandungen 9a;9b auf, die sich beidseits an die Einclipsleiste 3, insbesondere die Bodenwandung 7, anschließen und vorzugsweise einstückig mit dieser ausgeführt sind. An die eine Schulterwandung 9a schließt sich in Umfangsrichtung des Dichtungsprofilbandes 2 gesehen eine Hauptdichtungslippe 10, ebenfalls als Teil des Dichtbereichs 17, an. Die Hauptdichtungslippe 10 erstreckt sich von der Schulterwandung 9a, vorzugsweise zunächst parallel zur Fußerstreckungsachse 4, weg. Die Hauptdichtungslippe 10 ist vorzugsweise an die Schulterwandung 9a angeformt, also mit dieser einstückig ausgeführt. Um die Dichtfunktion zu gewährleisten weist die Hauptdichtungslippe 10 zweckmäßigerweise einen bogenförmigen Verlauf auf, wobei eine Lippenaußenfläche 11 konkav ist. Die Hauptdichtungslippe 10 weist zudem eine Lippeninnenfläche 13 auf, die konvex ist. Das heißt, die Hauptdichtungslippe 10 biegt sich von der Längsmittelachse 2a weg. Insbesondere ist ein der Schulterwandung 9a gegenüberliegender Lippenendbereich 12 im wesentlichen radial zur Längsmittelachse 2a ausgerichtet.In addition, the sealing profile strip 2, in particular the sealing region 17 at least one, preferably two shoulder walls 9a, 9b, which connect on both sides of the clip strip 3, in particular the bottom wall 7, and are preferably designed in one piece with this. As seen in the circumferential direction of the sealing profile strip 2, a main sealing lip 10, likewise part of the sealing region 17, adjoins the one shoulder wall 9a. The main sealing lip 10 extends away from the shoulder wall 9a, preferably initially parallel to the foot extension axis 4. The main sealing lip 10 is preferably integrally formed on the shoulder wall 9a, that is designed in one piece with this. To ensure the sealing function, the main sealing lip 10 expediently an arcuate course, wherein a lip outer surface 11 is concave. The main sealing lip 10 also has a lip inner surface 13 which is convex. That is, the main seal lip 10 bends away from the longitudinal central axis 2a. In particular, one of the shoulder wall 9a opposite lip end region 12 is aligned substantially radially to the longitudinal central axis 2a.

An einer äußeren Kante, an der die Schulterwandung 9a und die Hauptdichtungslippe 10 ineinander übergehen, ist zudem eine an sich bekannte, abstehende Abdecklippe 14 angeformt. Die Abdecklippe 14 dient als Sichtschutz zum Abdecken des Halteprofils.At an outer edge on which the shoulder wall 9a and the main sealing lip 10 merge into one another, a per se known, projecting cover lip 14 is also formed. The cover 14 serves as a screen to cover the retaining profile.

Gemäß der Erfindung weist der Dichtbereich 17 zudem einen profilierten Dichtstreifen 15 aus relativ weichem, nachgiebigem Material auf. Insbesondere besteht der Dichtstreifen 15 aus gummielastischem und/oder elastisch und reversibel rückverformbarem Material. Gemäß der Erfindung besteht der Dichtbereich 15 aus einem geschlossenzelligen Elastomer mit Gaseinschlüssen oder aus, insbesondere geschäumtem, Moosgummi. Bevorzugt handelt es sich dabei um EPDM (Ethylen-Propylen-Dien-Monomer oder auch Ethylen-Propylen-terpolymer oder auch Ethylen-Propylen-Dien-Kautschuk) oder TPE (Thermoplastische Elastomere), wobei die Shore-A Härte des Materials vorzugsweise 5° bis 25°, bevorzugt 10° bis 20° beträgt. Zudem weist das Material des Dichtstreifens 15 zweckmäßigerweise einen E-Modul (Elastizitäts-Modul) ≤ 5,5 N/mm2, bevorzugt ≤ 5 N/mm2, insbesondere von 4,5 bis 5,5 N/mm2 auf. Im Falle des Moosgummis liegt der E-Modul bevorzugt bei ≤ 5 N/mm2. Des Weiteren weist das Material des Dichtstreifens 15 vorzugsweise eine Dichte von 0,55 bis 0,85 g/cm2, bevorzugt 0,65 bis 0,7 g/cm2 auf.According to the invention, the sealing region 17 also has a profiled sealing strip 15 of relatively soft, yielding material. In particular, the sealing strip 15 consists of rubber-elastic and / or elastic and reversibly recoverable material. According to the invention, the sealing region 15 consists of a closed-cell elastomer with gas inclusions or, in particular foamed, sponge rubber. It is preferably EPDM (ethylene-propylene-diene monomer or ethylene-propylene terpolymer or ethylene-propylene-diene rubber) or TPE (thermoplastic elastomers), wherein the Shore A hardness of the material is preferably 5 ° to 25 °, preferably 10 ° to 20 °. In addition, the material of the sealing strip 15 expediently has an modulus of elasticity (elastic modulus) ≦ 5.5 N / mm 2 , preferably ≦ 5 N / mm 2 , in particular from 4.5 to 5.5 N / mm 2 . In the case of the foam rubber, the modulus of elasticity is preferably ≦ 5 N / mm 2 . Furthermore, the material of the sealing strip 15 preferably has a density of 0.55 to 0.85 g / cm 2 , preferably 0.65 to 0.7 g / cm 2 .

Der Dichtstreifen 15 ist in Richtung der Leistenerstreckungsachse 4 gegenüberliegend zur Einclipsleiste 3 angeordnet. Der Dichtstreifen 15 ist also plattenseitig angeordnet. Des Weiteren schließt sich der Dichtstreifen 15 sowohl innenseitig an die Hauptdichtungslippe 10 als auch an die beiden Schulterwandungen 9a;9b an. Der Dichtstreifen 15 ist insbesondere an Schulterwandungsinnenflächen 18 und gemäß der Erfindung an der Lippeninnenfläche 13 der Hauptdichtungslippe 10 angeordnet und mit diesen fest verbunden, insbesondere an diesen angeklebt oder mit diesen zusammen vulkanisiert.The sealing strip 15 is arranged in the direction of the Leistenerstreckungsachse 4 opposite to Einschnipsleiste 3. The sealing strip 15 is thus arranged on the plate side. Furthermore, the sealing strip 15 connects both on the inside to the main sealing lip 10 and to the two shoulder walls 9a, 9b. The sealing strip 15 is arranged in particular on Schulterwandungsinnenflächen 18 and according to the invention on the inner lip surface 13 of the main sealing lip 10 and fixedly connected to these, in particular glued to these or vulcanized together.

Der Dichtstreifen 15 weist zudem plattenseitig eine Dichtfläche 19 auf, an der mehrere, vorzugsweise 2 bis 10, bevorzugt 3 bis 5, Labyrinthdichtungslippen 20 einer Labyrinthdichtung vorgesehen sind. Die Dichtfläche 19 ist gegenüberliegend zur Einclipsleiste 3 von dieser weg gerichtet angeordnet und erstreckt sich bevorzugt in eine zur Längsmittelachse 2a und zur Leistenerstreckungsachse 4 senkrechte Bandbreitenrichtung 21. Die Labyrinthdichtungslippen 20 schließen sich in Umfangsrichtung des Dichtungsprofilbands 2 gesehen an die Hauptdichtungslippe 10 an, sind also dieser nachgeordnet, und sind in Umfangsrichtung und in Bandbreitenrichtung 21 hintereinander bzw. zueinander benachbart angeordnet. Die Hauptdichtungslippe 10 überragt die Labyrinthdichtungslippen 20 im nicht eingebauten Zustand plattenseitig, also in einer zur Leistenerstreckungsrichtung 4 parallelen Richtung und ist im eingebauten Zustand so angeordnet, dass sie von außen sichtbar ist und die Labyrinthdichtungslippen optisch abdeckt. Insbesondere überragt der Lippenendbereich 12 die Labyrinthdichtungslippen 20 plattenseitig. Dabei weist auch der Lippenendbereich 12 an der Lippeninnenfläche 13, also plattenseitig, ebenfalls das gummielastische Material des Dichtstreifens 15 auf. Der Dichtstreifen 15 erstreckt sich also an der Lippeninnenfläche 13 entlang bis zu einer Lippenendkante 22. Dadurch wird im eingebauten Zustand eine homogene Spannungsverteilung im Dichtstreifen 15 erreicht und z.B. Abrisse des Dichtstreifens 15 von dem übrigen Dichtungsprofilband 2, insbesondere der Hauptdichtungslippe 10, vermieden. Die übrige Hauptdichtungslippe 10 besteht dabei aus demselben Material wie die Einclipsleiste 3 und die Schulterwandungen 9a;9b, wobei die Hauptdichtungslippe 10 reversibel verformbar und so biegbar ist, dass sie im eingebauten Zustand an dem Element 16 dichtend anliegt. Des Weiteren weist die Hauptdichtungslippe 10 vorzugsweise aus insbesondere fertigungstechnischen Gründen aufgrund des Werkzeugflusses an der Lippenendkante 22 eine hakenartige Vorsprungskante bzw. Hinterschnittkante 34 auf. Die Hinterschnittkante 34 erstreckt sich von der Lippeninnenfläche 13 weg und ist an diese angeformt. Dadurch wird unter anderem auch eine definierte Anlage der Hauptdichtungslippe 10 an dem abzudichtenden Element 16 gewährleistet, da die Hinterschnittkante 34 an dem Element 16 anliegt.The sealing strip 15 also has on the plate side a sealing surface 19 on which a plurality, preferably 2 to 10, preferably 3 to 5, labyrinth sealing lips 20 of a labyrinth seal are provided. The sealing surface 19 is arranged opposite to the clip strip 3 directed away from the latter and preferably extends in a direction to the longitudinal central axis 2a and to Lever extension axis 4 vertical belt width direction 21. The labyrinth seal lips 20 close in the circumferential direction of the sealing profile strip 2 to the main seal lip 10, so these are downstream, and are arranged in the circumferential direction and in the bandwidth direction 21 in succession or adjacent to each other. The main sealing lip 10 projects beyond the labyrinth sealing lips 20 in the uninstalled state on the plate side, ie in a direction parallel to the strip extension direction 4, and is arranged in the installed state so that it is visible from the outside and visually covers the labyrinth sealing lips. In particular, the lip end region 12 projects beyond the labyrinth seal lips 20 on the plate side. In this case, the lip end region 12 on the inner surface of the lip 13, ie on the plate side, likewise has the rubber-elastic material of the sealing strip 15. The sealing strip 15 thus extends along the lip inner surface 13 as far as a lip end edge 22. In the installed state, a homogeneous stress distribution in the sealing strip 15 is achieved and, for example, the tear strip 15 is prevented from tearing off the remaining sealing profile strip 2, in particular the main sealing lip 10. The rest of the main sealing lip 10 consists of the same material as the Einschnipsleiste 3 and the shoulder walls 9a, 9b, wherein the main sealing lip 10 is reversibly deformable and bendable so that it rests sealingly on the element 16 in the installed state. Furthermore, the main sealing lip 10 preferably has a hook-like projection edge or undercut edge 34, for reasons of manufacturing technology in particular, due to the tool flow at the lip end edge 22. The undercut edge 34 extends away from the inner surface of the lip 13 and is integrally formed thereon. As a result, inter alia, a defined contact of the main sealing lip 10 on the element 16 to be sealed is ensured, since the undercut edge 34 bears against the element 16.

Die Hauptdichtungslippe 10 ist von außen in eine Dichtungsrichtung 23 gesehen das erste Dichtmittel, das das Eindringen von Feuchtigkeit verhindert. Die Labyrinthdichtungslippen 20 sind der Hauptdichtungslippe 10 in Dichtungsrichtung 23 nachgeordnet und dienen zur zusätzlichen Abdichtung und sorgen für eine breite Auflagefläche des Dichtungsprofilbands 2 an dem abzudichtenden plattenförmigen Element 16, so dass das Dichtungsprofilband 2 kippsicher an dem plattenförmigen Element 16 anliegt.The main sealing lip 10 is seen from the outside in a sealing direction 23, the first sealant, which prevents the ingress of moisture. The labyrinth sealing lips 20 are arranged downstream of the main sealing lip 10 in the sealing direction 23 and serve for additional sealing and ensure a wide bearing surface of the sealing profile strip 2 on the plate-shaped element 16 to be sealed, so that the sealing profile strip 2 rests against the plate-shaped element 16 in a tip-safe manner.

An die Dichtfläche 19 schließt sich in Umfangsrichtung eine, zweckmäßigerweise ebene, äußere Streifenseitenfläche 24 an, die sich vorzugsweise parallel zur Leistenerstreckungsachse 4 und parallel zur Längsmittelachse 2a erstreckt. In Bandbreitenrichtung 21 erstreckt sich der Dichtstreifen 15 zweckmäßigerweise zudem zumindest bis zur Schulterwandung 9b, bevorzugt etwas über die Schulterwandung 9b hinaus und weist einen zur Einclipsleiste 3 hingerichteten Vorsprung 25 auf, der sich entlang einer Schulterwandungsseitenkante 26 der Schulterwandung 9b erstreckt. Zumindest erstreckt sich der Dichtstreifen 15 somit in Bandbreitenrichtung 21 gesehen über die Breite der beiden Schulterwandungen 9a,9b. Insbesondere ist der Dichtstreifen 15 im Bereich des Vorsprungs 25 mit der Schulterwandungsseitenkante 26 fest verbunden, insbesondere an diese angeklebt oder mit dieser zusammen vulkanisiert. Der Vorsprung 25 schließt dabei halteprofilseitig bündig mit einer Schulterwandungsaußenfläche 27 der Schulterwandung 9b ab, so dass von dem Vorsprung 25 und der Schulterwandungsaußenfläche 27 eine erste ebene, zur Fußerstreckungsachse 4 senkrechte Auflagekantenfläche 28 gebildet wird. Die Schulterwandungsaußenfläche 27 der anderen Schulterwandung 9a bildet eine zweite Anlagekantenfläche 28b, die zur ersten Anlagefläche 28a koplanar ist. Mit den Anlageflächen 28a;28b liegt das Dichtungsprofilband 2 im eingebauten Zustand auf dem Halteprofil in an sich bekannter Weise auf.Adjoining the sealing surface 19 in the circumferential direction is a suitably flat, outer strip side surface 24, which preferably extends parallel to the strip extension axis 4 and parallel to the longitudinal center axis 2a. In the strip width direction 21, the sealing strip 15 expediently also extends at least as far as the shoulder wall 9b, preferably slightly beyond the shoulder wall 9b, and has a protrusion 25 which has been raised to the clip strip 3 and extends along a shoulder wall side edge 26 of the shoulder wall 9b. At least the sealing strip 15 thus extends in the bandwidth direction 21 over the width of the two shoulder walls 9a, 9b. In particular, the sealing strip 15 is firmly connected in the region of the projection 25 with the shoulder wall side edge 26, in particular glued to this or vulcanized together with this. In this case, the projection 25 terminates flush with a shoulder wall outer surface 27 of the shoulder wall 9b, so that a first planar support edge surface 28 perpendicular to the base extension axis 4 is formed by the projection 25 and the shoulder wall outer surface 27. The shoulder wall outer surface 27 of the other shoulder wall 9a forms a second abutment edge surface 28b which is coplanar with the first abutment surface 28a. With the contact surfaces 28a, 28b the sealing profile strip 2 is in the installed state on the retaining profile in a conventional manner.

Durch den Dichtstreifen 15 aus gummielastischem Material wird in besonders vorteilhafter Weise erreicht, dass die erfindungsgemäße Dichtung 1 einen deutlich geringeren Wärmedurchgangswert, also einen deutlich niedrigeren Wärmedurchgang als die bekannte Dichtung aufweist. Denn das nachgiebige Material, das einerseits an der Lippeninnenfläche 13 vorgesehen ist, und aus dem auch die Labyrinthdichtungslippen 20 bestehen, schmiegt sich deutlich besser an das abzudichtende plattenförmige Element 16 an (Fig. 1), so dass die erfindungsgemäße Dichtung 1 deutlich besser als die bekannte Dichtung dichtet und isoliert. Besonders vorteilhaft für die Wärmeisolation bzw. Wärmedämmung ist auch die Geschlossenzelligkeit des Materials des Dichtstreifens 15.By the sealing strip 15 made of rubber-elastic material is achieved in a particularly advantageous manner that the seal 1 according to the invention has a significantly lower heat transfer value, ie a significantly lower heat transfer than the known seal. Because the resilient material, which is provided on the one hand on the inner lip surface 13, and from which the labyrinth seal lips 20 are made, fits much better to the sealed plate-shaped element 16 ( Fig. 1 ), so that the seal 1 according to the invention seals and insulates significantly better than the known seal. Particularly advantageous for the thermal insulation or thermal insulation is also the closed-cell nature of the material of the sealing strip 15.

Gemäß der Erfindung weist das Dichtungsprofilband 2 zudem einen sich parallel zur Längsmittelachse 2a erstreckenden Druckkraftübertragungswulst bzw. Druckkraftzentrierungswulst bzw. Druckkraftaufnahmewulst 29 auf. Der Druckkraftübertragungswulst 29 schließt sich an die Bodenwandung 7 der Einclipsleiste 3 an und erstreckt sich von dieser in einer zur Leistenerstreckungsachse 4 parallelen Richtung weg, also zum plattenförmigen Element 16 bzw. zu einer Plattenseite hin. Der Druckkraftübertragungswulst 29 ist in einer zur Leistenerstreckungsachse 4 parallelen Richtung von der Einclipsleiste 3 weggerichtet und erstreckt sich in den Dichtstreifen 15 hinein. Insbesondere ist der Druckkraftübertragungswulst 29 in einer Ausnehmung 30 des Dichtstreifens 15 angeordnet. Vorzugsweise verjüngt sich der Druckkraftübertragungswulst 29 dabei plattenseitig und weist zweckmäßigerweise einen dreieckigen Querschnitt auf. Insbesondere weist der Druckkraftübertragungswulst 29 zwei seitliche Flanken 31 auf, die über eine abgerundete Kante 32 ineinander übergehen. Die Kante 32 kann aber auch abgeflacht ausgebildet sein (nicht dargestellt). Die Kante 32 endet dabei plattenseitig vorzugsweise auf der Höhe, auf der die Labyrinthdichtungslippen 20 beginnen oder etwas davor. Infolgedessen erstreckt sich der Druckkraftübertragungswulst 29 plattenseitig bis auf die Höhe, auf der die Labyrinthdichtungslippen 20 beginnen oder endet, insbesondere in einer zur Leistenerstreckungsachse 4 parallelen Richtung gesehen, etwas, insbesondere 0 bis 1,0 mm davor. Des Weiteren erstreckt sich der Druckkraftübertragungswulst 29 vorzugsweise zumindest über die gesamte Breite der Einclipsleiste 3 in Breitenrichtung, also parallel zur Bandbreitenrichtung 21 gesehen.According to the invention, the sealing profile strip 2 also has a Druckkraftübertragungswulst or Druckkraftzentrierungswulst or Druckkraftaufnahmewulst 29 extending parallel to the longitudinal central axis 2a. The Druckkraftübertragungswulst 29 connects to the bottom wall 7 of the Einschnipsleiste 3 and extends from this in a direction parallel to the Leistenerstreckungsachse 4 direction away, ie to the plate-shaped element 16 and to a plate side. The Druckkraftübertragungswulst 29 is directed away in a direction parallel to the strip extension axis 4 direction of the Einschnipsleiste 3 and extends into the sealing strip 15 inside. In particular, the Druckkraftübertragungswulst 29 is disposed in a recess 30 of the sealing strip 15. Preferably, the Druckkraftübertragungswulst 29 tapers plate side and expediently has a triangular cross-section. In particular, the Druckkraftübertragungswulst 29 two lateral edges 31, which merge into one another via a rounded edge 32. The edge 32 may also be formed flattened (not shown). The edge 32 ends plate-side preferably at the level at which the labyrinth seal lips 20 begin or something before. As a result, the Druckkraftübertragungswulst 29 extends on the plate side to the level at which the labyrinth seal lips 20 begins or ends, especially in a direction parallel to the Leistenerstreckungsachse 4 direction, something, in particular 0 to 1.0 mm in front. Furthermore, the pressure-force transfer bead 29 preferably extends at least over the entire width of the clip-in strip 3 in the width direction, ie, viewed parallel to the belt width direction 21.

Der druckstempelartige Druckkraftübertragungswulst 29 dient zum einen zur gezielten Übertragung und Aufbringung der Montagedruckkraft auf die Einclipsleiste 3 bei der Montage der erfindungsgemäßen Dichtung 1, bei der die Einclipsleiste 3 gegen einen definierten Rastwiderstand in die Nut des Halteprofils eingeclipst bzw. eingerastet wird. Die Kante 32 des Druckkraftübertragungswulstes 29 wird dazu bei der Montage von der Dichtfläche 19 her, also plattenseitig mit der Montagedruckkraft in einer zur Leistenerstreckungsrichtung 4 parallelen Richtung beaufschlagt. Insbesondere erfolgt dies mittels einer Druckwalze, die eine zur Bandbreitenrichtung 21 parallele Rollachse aufweist und um die Rollachse auf der Dichtfläche 19 und der Hauptdichtungslippe 10 innenseitig abrollt. Mittels des Druckkraftübertragungswulstes 29 wird dabei eine Montagehöhe definiert und festgelegt, da der Dichtstreifen 15 und auch die Hauptdichtungslippe 10 nur bis zum Druckkraftübertragungswulst 29 eingedrückt werden können, da der Druckkraftübertragungswulst 29 und die Einclipsleiste 3 eine Gegenkraft zur Montagedruckkraft aufbringen. Dadurch ist eine gleichmäßige Kraftaufbringung auf die Einclipsleiste 3 und somit eine automatisierte Montage der erfindungsgemäßen Dichtung 1 möglich.The pressure-punch-like Druckkraftübertragungswulst 29 serves for a targeted transmission and application of mounting pressure on the Einschnipsleiste 3 during assembly of the seal 1 according to the invention, in which the Einschnipsleiste 3 is clipped or snapped against a defined locking resistance in the groove of the holding profile. The edge 32 of the Druckkraftübertragungswulstes 29 is applied to the assembly of the sealing surface 19 forth, so the plate side with the mounting pressure in a direction parallel to the Leistenerstreckungsrichtung 4 direction. In particular, this is done by means of a pressure roller which has a roll axis parallel to the belt width direction 21 and rolls around the roll axis on the sealing surface 19 and the main sealing lip 10 on the inside. By means of the Druckkraftübertragungswulstes 29 while a mounting height is defined and set, since the sealing strip 15 and the main sealing lip 10 can be pressed only to the Druckkraftübertragungswulst 29, since the Druckkraftübertragungswulst 29 and the Einschnipsleiste 3 apply a counterforce to the mounting pressure. As a result, a uniform force application to the clip strip 3 and thus an automated assembly of the seal 1 according to the invention is possible.

Um die Montagedruckkraft übertragen zu können, besteht der Druckkraftübertragungswulst 29 aus einem weniger elastischen Material wie der Dichtstreifen 15. Insbesondere weist das Material des Druckkraftübertragungswulstes 29 ein E-Modul von 4,5 N/mm2 bis 5,5 N/mm2 auf. Erfindungsgemäß besteht der Druckkraftübertragungswulst 29 aus Solid-EPDM, insbesondere mit einer Härte Shore-A von 30° bis 80°, bevorzugt 40° bis 60°. Der Druckkraftübertragungswulst 29 besteht also erfindungsgemäß aus dem Material der Einclipsleiste 3.In order to transmit the mounting pressure, the Druckkraftübertragungswulst 29 is made of a less elastic material as the sealing strip 15. In particular, the material of the pressure force transmission bead 29 has an E-modulus of 4.5 N / mm 2 to 5.5 N / mm 2 . According to the invention, the pressure force transmission bead 29 consists of solid EPDM, in particular with a hardness Shore A of 30 ° to 80 °, preferably 40 ° to 60 °. The Druckkraftübertragungswulst 29 thus consists according to the invention of the material of the clip strip. 3

Um u. a. die Herstellung zu vereinfachen, sind der Druckkraftübertragungswulst 29, die Einclipsleiste 3 und die Hauptdichtungslippe 10, sowie vorzugsweise die Schulterwandungen 9a;9b einstückig ausgebildet. Zudem wird das gesamte Dichtungsprofilband 2 vorzugsweise durch Extrusion hergestellt, ist also extrudiert.To u. a. To simplify the production, the Druckkraftübertragungswulst 29, the Einschnipsleiste 3 and the main sealing lip 10, and preferably the shoulder walls 9a, 9b are integrally formed. In addition, the entire sealing profile strip 2 is preferably produced by extrusion, so it is extruded.

Der Druckkraftübertragungswulst 29 erfüllt aber auch im eingebauten Zustand eine Funktion. Denn bei Druck auf das Dichtungsprofilband 2 durch das plattenförmige Element 16, z.B. aufgrund von Windkraft, wird verhindert, dass das Dichtungsprofilband 2 unkontrolliert und ungleichmäßig zusammen gedrückt wird, da das Dichtungsprofilband 2, insbesondere der an sich nachgiebige Dichtstreifen 15, in einer zur Leistenerstreckungsachse 4 parallelen Richtung lediglich bis zur Kante 32 des Wulstes 29 zusammengedrückt werden können. Denn der Druckkraftübertragungswulst 29 und die Einclipsleiste 3, die sich am Halteprofil abstützt, bringen eine Gegenkraft auf. Dadurch wird das plattenförmige Element 16, das üblicherweise zwischen zwei Dichtungen 1 angeordnet ist (nicht dargestellt), stabil und kippsicher zwischen den beiden Dichtungen 1 gehalten. Zudem entsteht kein Spalt zwischen einer der beiden Dichtungen 1 und dem abzudichtenden Element 16.The Druckkraftübertragungswulst 29 but also fulfills a function in the installed state. Because when pressure on the sealing profile strip 2 by the plate-shaped element 16, e.g. Due to wind power, it is prevented that the sealing profile strip 2 is pressed uncontrollably and unevenly together, since the sealing profile strip 2, in particular the compliant sealing strip 15 can be compressed in a direction parallel to the Leistenerstreckungsachse 4 direction only to the edge 32 of the bead 29. Because the Druckkraftübertragungswulst 29 and the Einschnipsleiste 3, which is supported on the holding profile, bring a counterforce. As a result, the plate-shaped element 16, which is usually arranged between two seals 1 (not shown), held stable and tilt-proof between the two seals 1. In addition, there is no gap between one of the two seals 1 and the element 16 to be sealed.

Des Weiteren ist es aufgrund des Vorhandenseins des Druckkraftübertragungswulst 29 aus dem weniger elastischen Material möglich, eine Strecksicherung 33 vorzusehen. Bei der Strecksicherung 33 handelt es sich um einen in den Druckkraftübertragungswulst 29 einvulkanisierten, in an sich bekannter Weise oberflächenbehandelten Faden, der sich parallel zur Längsmittelachse 2a erstreckt. Die Strecksicherung 33 wirkt als Bewehrungsmittel und verhindert eine Überstreckung des Dichtungsprofilbandes 2 bei Montage.Furthermore, due to the presence of the compressive force transfer bead 29 of the less elastic material, it is possible to provide an anti-stretch device 33. The stretch assurance 33 is a vulcanized into the Druckkraftübertragungswulst 29, in a conventional manner surface-treated thread extending parallel to the longitudinal center axis 2a. The stretch assurance 33 acts as a reinforcement and prevents overstretching of the sealing profile strip 2 during assembly.

Mit der erfindungsgemäßen Dichtung wird aufgrund der zweiteiligen Ausführung einerseits aus dem gummielastischen Material im Dichtbereich und andererseits aus dem weniger elastischen Material für die Einclipsleiste und durch das Vorsehen des Druckkraftübertragungswulstes eine Dichtung geschaffen, die hervorragende Dichtungseigenschaften aufweist, einfach und sicher zu montieren ist und die einen guten Halt des plattenförmigen Elements zwischen zwei erfindungsgemäßen Dichtungen oder einer erfindungsgemäßen Dichtung und einer anderweitig gestalteten Dichtung zur Erzeugung des Gegendrucks gewährleistet. Zudem ist die erfindungsgemäße Dichtung einfach, kostengünstig und schnell durch Extrusion herstellbar.With the seal according to the invention is due to the two-part design on the one hand from the elastomeric material in the sealing area and on the other hand created from the less elastic material for the Einschnipsleiste and by providing the Druckkraftübertragungswulstes a seal that has excellent sealing properties, is easy and safe to install and the one ensures good grip of the plate-shaped element between two seals according to the invention or a seal according to the invention and an otherwise designed seal for generating the back pressure. In addition, the seal according to the invention is simple, inexpensive and quickly produced by extrusion.

Claims (14)

  1. A sealing profile band (2), in particular facade sealing band for sealing off facades, e.g. for sealing off a gap between a plate-shaped element (16), e.g. a pane of glass or a panel, and a holding profile which holds the plate-shaped element (16), which profile has on one side a clip-in bar (3) extending parallel to a longitudinal central axis (2a) of the sealing profile band (2) for clipping into a groove in the holding profile, and on the other side a sealing region (17), the sealing region (17) having a main sealing lip (10) and a labyrinth seal with a plurality of labyrinth seal lips (20) for lying in sealing manner against the plate-shaped element (16), the labyrinth seal lips (20) succeeding the main sealing lip (10) in a peripheral direction of the sealing profile band (2) and being arranged in each case in the peripheral direction of the sealing profile band (2) and being arranged adjacent to one another in a band width direction (21), and the main sealing lip (10) projecting across the labyrinth seal lips (20) on the other side, characterised in that
    a) the sealing region (17) has an, in particular profiled, sealing strip (15) made of a closed-celled elastomer with gas inclusions or foam rubber, which has the labyrinth seal, and
    b) the sealing profile band (2) has a plunger-like pressure-force transmission bead (29), which is arranged opposite the clip-in bar (3) and extends into the sealing strip (15),
    c) the pressure-force transmission bead (29), the clip-in bar (3) and the main sealing lip (12) being made in one piece and consisting of a solid plastics material, and
    d) the sealing strip (15) extends on an inner lip surface (13) of the main sealing lip (10) along as far as a lip end edge (12) of the main sealing lip (10) which is on the other side.
  2. A sealing profile band according to Claim 1, characterised in that the sealing strip (15) consists of EPDM (ethylene/propylene/diene monomer or alternatively ethylene/propylene terpolymer or alternatively ethylene/propylene/diene rubber) or TPE.
  3. A sealing profile band according to Claim 1 and/or 2, characterised in that the Shore A hardness of the material of the sealing strip (15) is 5° to 25°, preferably 10° to 20°.
  4. A sealing profile band according to one or more of the preceding claims, characterised in that the pressure-force transmission bead (29) is arranged in a recess (30) in the sealing strip (15).
  5. A sealing profile band according to one or more of the preceding claims, characterised in that the pressure-force transmission bead (29) is tapered on the other side and expediently has a triangular cross-section, the pressure-force transmission bead (29) preferably having two lateral flanks (31) which merge into one another via a preferably rounded-off or flattened-off edge (32).
  6. A sealing profile band according to one or more of the preceding claims, characterised in that the pressure-force transmission bead (29) on the other side extends up to the height at which the labyrinth seal lips (20) begin or ends at a distance before the latter, in particular 0 to 1.0 mm before the latter.
  7. A sealing profile band according to one or more of the preceding claims, characterised in that the pressure-force transmission bead (29) consists of a less elastic material than the sealing strip (15).
  8. A sealing profile band according to one or more of the preceding claims, characterised in that the pressure-force transmission bead (29) consists of a solid plastics material, preferably a solid elastomer and/or a solid thermoplastic material, in particular solid EPDM or solid TPE or PVC with plasticiser.
  9. A sealing profile band according to Claim 7 and/or 8, characterised in that the material of the pressure-force transmission bead (29) has a Shore A hardness of 30° to 80°, preferably 40° to 60°.
  10. A sealing profile band according to one or more of the preceding claims, characterised in that the sealing profile band (2) has a stretch protection means (33), the stretch protection means (33) preferably being a thread vulcanised into the pressure-force transmission bead (29) which extends parallel to the longitudinal central axis (2a) of the sealing profile band (2).
  11. A sealing profile band according to one of the preceding claims, characterised in that the sealing region (17) has at least one, preferably two, shoulder walls (9a; 9b) which adjoin the clip-in bar (3), in particular a base wall (7) of the clip-in bar (3), on both sides and preferably are embodied in one piece therewith.
  12. A sealing profile band according to Claim 11, characterised in that the main sealing lip (10) adjoins the one shoulder wall (9a) in the peripheral direction of the sealing profile band (2), the main sealing lip (10) being directed away from the shoulder wall (9a) and the clip-in bar (3).
  13. A sealing profile band according to Claim 11 and/or 12, characterised in that the sealing strip (15), viewed in the band width direction (21), extends at least over the width of the two shoulder walls (9a; 9b).
  14. A sealing profile band according to one or more of Claims 11 to 13, characterised in that the sealing strip (15) is arranged on inner shoulder-wall surfaces (18) of the two shoulder walls (9a; 9b) and on the inner lip surface (13) of the main sealing lip (10) and is securely connected to said inner surfaces, in particular is glued thereto or is vulcanised together therewith.
EP20090158963 2008-07-23 2009-04-28 Seal profile band, in particular facade seal belt Active EP2166190B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810034347 DE102008034347B4 (en) 2008-07-23 2008-07-23 Sealing profile strip, in particular facade sealing strip

Publications (3)

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EP2166190A2 EP2166190A2 (en) 2010-03-24
EP2166190A3 EP2166190A3 (en) 2010-04-14
EP2166190B1 true EP2166190B1 (en) 2013-01-16

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EP20090158963 Active EP2166190B1 (en) 2008-07-23 2009-04-28 Seal profile band, in particular facade seal belt

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DE (2) DE202008017626U1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008017626U1 (en) 2008-07-23 2010-04-22 Bartelt, Wolfgang Sealing profile strip, in particular facade sealing strip
DE202010000444U1 (en) 2010-03-23 2011-08-08 SCHÜCO International KG weatherstrip
DE102013101384A1 (en) 2013-02-12 2014-08-14 Khs Gmbh View window of an enclosure, lip seal for use in this window and housing
CN103485694A (en) * 2013-10-21 2014-01-01 哈尔滨森鹰窗业股份有限公司 Sealing rubber strip for aluminum-coated wood window
DE102014103655A1 (en) * 2014-03-18 2015-09-24 Deflex-Dichtsysteme Gmbh Sealing profile and glazing system with sealing profile
DE202015104830U1 (en) * 2015-09-11 2016-12-14 Semperit Ag Holding sealing strip
DE202016106250U1 (en) 2016-11-09 2016-11-22 WP Systems GmbH sealing arrangement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9302103U1 (en) * 1993-02-13 1993-04-01 Schueco International Kg, 4800 Bielefeld, De
DE4326115A1 (en) * 1993-08-04 1995-02-09 Hubert Funk Profile seal for windows, and process and apparatus for fitting it
GB2327972B (en) * 1997-07-31 2001-11-28 Vitamol Ltd Glazing gasket
DE29814787U1 (en) * 1998-08-18 1999-12-30 Semperit Ag Holding Wien String-shaped glazing gasket
DE202006011255U1 (en) * 2006-07-19 2006-11-23 Raico Bautechnik Gmbh Support seal especially for sealing glass in windows has first sealing profile adjoining glass and separate second sealing profile adjoining frame and connected to first profile through adhesive or touch and close connector
DE202006019055U1 (en) 2006-12-18 2008-04-30 SCHÜCO International KG window
DE202008017626U1 (en) 2008-07-23 2010-04-22 Bartelt, Wolfgang Sealing profile strip, in particular facade sealing strip

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Publication number Publication date
EP2166190A3 (en) 2010-04-14
DE102008034347A1 (en) 2010-02-04
DE102008034347B4 (en) 2012-07-26
EP2166190A2 (en) 2010-03-24
DE202008017626U1 (en) 2010-04-22

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