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EP1795664B1 - Foam strip within an envelopping foil - Google Patents

Foam strip within an envelopping foil Download PDF

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Publication number
EP1795664B1
EP1795664B1 EP06124533.8A EP06124533A EP1795664B1 EP 1795664 B1 EP1795664 B1 EP 1795664B1 EP 06124533 A EP06124533 A EP 06124533A EP 1795664 B1 EP1795664 B1 EP 1795664B1
Authority
EP
European Patent Office
Prior art keywords
foam
strip
foam strip
film
compressed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP06124533.8A
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German (de)
French (fr)
Other versions
EP1795664A3 (en
EP1795664A2 (en
Inventor
Markus Dr. Komma
Rüdiger DANIEL
Jürgen Dr. Hess
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.)
Tremco CPG Germany GmbH
Original Assignee
Tremco Illbruck Produktion GmbH
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Application filed by Tremco Illbruck Produktion GmbH filed Critical Tremco Illbruck Produktion GmbH
Publication of EP1795664A2 publication Critical patent/EP1795664A2/en
Publication of EP1795664A3 publication Critical patent/EP1795664A3/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6812—Compressable seals of solid form
    • 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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E06B2001/626—Tightening or covering joints between the border of openings and the frame or between contiguous frames comprising expanding foam strips

Definitions

  • the invention relates to a foam strip with a wrapping film according to the features of the preamble of claim 1, wherein the foam strip is received in the wrapping film.
  • Foam strips of the type in question are known in particular as sealing strips or sealing elements, so on, especially in the construction sector for the sealing of building joints. So in this regard, for example, on the EP 1 131 525 Bl directed.
  • a sealing strip consisting of an elastically resilient foam strip is known, which is received in a compressed state in a provision of the foam strip enabling wrapping film, which latter is designed as a tear-open film. After appropriate opening of the wrapping film, the foam strip is delayed due to an intended impregnation back.
  • a foam strip is known which is accommodated in a wrapping film and impregnated for delayed recovery.
  • a foam gasket is known which has an unspecified air permeability. Also this foam element is impregnated for delayed recovery.
  • the invention has the object of specifying a foam strip with wrapping film, which is received in the wrapping film, wherein the structure is improved to the extent that this results in improved handling of the foam strip.
  • the compressed strip does not bulge in the direction transverse to the compression, which facilitates the handling of the strip taken compressed in the wrapper.
  • the edges of the rectangular cross-section can be completely rounded here.
  • the relevant radius is only a few millimeters, in particular 1 - 2 mm.
  • the proposed design of the foam strip achieves a compressed, enveloped position thereof in which the width of the foam strip measured transversely to the decompression or deployment direction substantially corresponds to the width in the uncompressed position. This can lead to a simplified handling, for example. When inserting the compressed foam strip in a building joint.
  • the foam strip is further adjusted so that it is resistant to driving rain even at a compression of only 10% (according to DIN 18543). Accordingly, the formation of the strip resulting after rupture of the wrapping film can amount to up to 90% of the original strip thickness. Accordingly, a non-compressed foam can be used, which is manufactured with a correspondingly smaller oversize.
  • the required watertightness is, for example, achieved at 50%, ie at up to half of the uncompressed, original thickness compressed strip.
  • the foam is a polyurethane foam. This can be impregnated with a flame-retardant resin, which also provides the desired default delay. In this regard, it proves to be particularly advantageous if the foam is a polyurethane-ether foam which has an increased proportion of closed pores.
  • the density of the foam is 25-100 kg / m 3 , preferably 33-80 kg / m 3 .
  • the compression hardness according to ISO 3386 (40%) is preferably 3.2 - 4.5 KPa.
  • the proposed foam strip 1 forms an elastically resilient sealing strip D.
  • the foam strip 1 is open-pored and consists in the illustrated embodiment of a polyurethane-ether foam.
  • the foam strip 1 is impregnated for delayed recovery, including as an impregnating agent, for example. Acrylate is used.
  • the foam strip 1 In the decompressed, original state, the foam strip 1 has a rectangular cross-section (see dash-dotted representation in FIG Fig. 2 ).
  • the compression lies in a plane parallel to the longer side of the rectangle.
  • the extending in the compression direction longer side corresponds in the illustrated embodiment about four times the measured transverse to the compression direction width x. This is about 20 mm in the illustrated embodiment.
  • the compressed foam strip 1 is in a volume reduction securing Eintaschung, which is achieved by a tear-wrapping film 2.
  • This consists of a foam strip 1 enclosing plastic film F, which also forms a extending in the longitudinal direction of the foam strip 1 tear-off 3.
  • the wrapping film 2 consists, for example, of a polypropylene material. Lying in the tear-open enclosure 2, the foam strip 2 is in the direction of its cross-sectional longitudinal side to about a quarter of its initial shape according to the dot-dashed line in FIG Fig. 2 pressed together.
  • the corner areas are light with a radius of a few millimeters, rounded in the illustrated embodiment by about 2 mm, according to which the compressed foam strip 1 further has a rectangular cross-sectional shape. This while maintaining the original width x of the Strip 1. Only the thickness y 'is compared with the uncompressed position (thickness y - see. Fig. 2 ) changed.
  • the compressed side walls 4 of the foam strip 1 continue to extend in cross section approximately at right angles to the width of the strip.
  • the choice of the foam which has an air permeability of, for example, 801 / m 2 s.
  • the wrapping film 2 is tubular shaped to retain the foam strip 1 in the compressed position; includes according to the foam strip 1 circulating.
  • the thus formed interior for receiving the compressed foam strip 1 is under a rollability of such a foam strip 1 or sealing strip D not hindering impingement (see Fig. 1 ).
  • the plastic film F enclosing the foam strip 1 is stuck against itself to form the tear-open enclosure 2.
  • This arrest is provided on a longitudinal side wall 4 approximately in the middle of its vertical extent in the compressed state over the entire length of the foam strip 1 and carries in the representations the reference numeral 5.
  • the arrest 5 realized by sewing, for example.
  • the corresponding seam 6 containing upper and lower thread in particular in the illustration in Fig. 3 to recognize.
  • the lower film section 9 extends over the lower broad side surface of the foam strip 1 beyond the entire back region of the foam strip 1, here the associated side wall 4 overlapping into the corner region facing away from the bottom region.
  • this lower film section 9 of the same material, in one piece over in the upper film section 8, wherein in the above-described corner region a perforation 10 is provided for the separation of upper and lower film section 8 and 9 respectively.
  • the upper film section 8 is reinforced by a second film layer 11. This extends from the perforation 10, starting in the root area of the tear-off tab 3, covering the seam 6.
  • Upper film section 8 and second film layer 11 are connected to each other over the entire surface, in particular by gluing.
  • the foam strip 1 is set secured against wandering against the plastic film F enclosing it.
  • the foam strip 1 is inside the wrapping film 2 arrested.
  • This adhesion is formed by gluing using a double-sided adhesive strip 12. This is glued on one side with the plastic film F and on the other side with the foam strip 1.
  • this has production-technological advantage, since the foam strip 2 lies exactly on the still open, i.e., still open envelope, that is, not led to the formation of the interior space. unfolded plan strips of plastic film F can hold.
  • sealing strip D is provided on the outside with a longitudinal adhesive strip 13.
  • a longitudinal adhesive strip 13 about this can be the sealing strip D on a designated object holders, such as.
  • the longitudinal adhesive strip 13 is a double-sided adhesive strip.
  • the longitudinal adhesive strip 13 is spatially overlapping to the inside arrest between the foam strip 1 and the plastic film F by the adhesive strip 12.
  • a three-layer laminate of good strength which still by a special Arm michsdorflite is increased.
  • reinforcing threads 18 are provided, which extend on the bottom side of the foam strip 1 between the associated adhesive strip 12 and the lower film section 9 in the longitudinal extent of the foam strip 1.
  • the proposed foam strip 1, as shown in the FIGS. 4 and 5 be used as a sealing strip D for sealing a building joint 16.
  • the foam strip 1 is fixed by means of the longitudinal adhesive strip 13 on the frame profile 14 or here on the strip 15, directed against the spaced to the bar 15 wall surface 17. At least until the completion of the positioning of the foam strip 1 is still in its compressed position in the wrapping film 2 tied up. Only then does the release take place.
  • the attachment 5 ruptures according to the perforation achieved by the sewing stitches 7, in which case preferably both tab sections formed by the film sections 8 and 9 are grasped.
  • the lower tab portion that is, the tab portion associated with the lower film portion 9 bonded to the frame profile 14 or the strip 15 via the longitudinal adhesive strip 13, tears off along the seam 6.
  • This section tears along the rear perforation 10, after which the entire upper film section 8 can be pulled out of the building joint 16, with simultaneous triggering of the foam provision in the direction on the associated wall surface 17th
  • This foam provision is retarded due to the mentioned impregnation.
  • the swelling of the foam is carried out accordingly over a longer period than foams that are not provided with such an impregnation.
  • Fig. 5 the position in which the swollen foam strip 1 with a restored thickness y "sealingly closes the structural joint 16.
  • a square cross section is achieved in this restored position of the foam strip 1.
  • the thickness y" further preferably corresponds at most to the width x.
  • the strip 1 accordingly experiences a return to about 50% of the original foam thickness y. Due to the selected foam properties sufficient driving rain protection is achieved even with such a compression. This is still present when the foam returns to about 90% of its original thickness. He has accordingly a driving rain, which is already achieved with a compression of only 10%, which can advantageously have a reduction of the initial height y and a corresponding reduction in material result.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)

Description

Die Erfindung betrifft einen Schaumstoffstreifen mit einer Umhüllungsfolie nach den Merkmalen des Oberbegriffs des Anspruches 1, wobei der Schaumstoffstreifen in der Umhüllungsfolie aufgenommen ist.The invention relates to a foam strip with a wrapping film according to the features of the preamble of claim 1, wherein the foam strip is received in the wrapping film.

Schaumstoffstreifen der in Rede stehenden Art sind insbesondere als Dichtungsstreifen oder Dichtungselemente bekannt, so weiter insbesondere im Baubereich zur Abdichtung von Bauwerksfugen. So wird diesbezüglich beispielsweise auf die EP 1 131 525 Bl verwiesen. Aus dieser ist ein Dichtstreifen, bestehend aus einem elastisch rückstellfähigem Schaumstoffstreifen bekannt, der in komprimiertem Zustand in einer die Rückstellung des Schaumstoffstreifens ermöglichenden Umhüllungsfolie aufgenommen ist, welch letztere als Aufreißfolie ausgebildet ist. Nach entsprechender Öffnung der Umhüllungsfolie stellt sich der Schaumstoffstreifen zufolge einer vorgesehenen Imprägnierung verzögert zurück.Foam strips of the type in question are known in particular as sealing strips or sealing elements, so on, especially in the construction sector for the sealing of building joints. So in this regard, for example, on the EP 1 131 525 Bl directed. For this purpose, a sealing strip, consisting of an elastically resilient foam strip is known, which is received in a compressed state in a provision of the foam strip enabling wrapping film, which latter is designed as a tear-open film. After appropriate opening of the wrapping film, the foam strip is delayed due to an intended impregnation back.

Aus der EP-A 1 131 525 ist ein Schaumstoffstreifen bekannt, der in einer Umhüllungsfolie aufgenommen ist und zur verzögerten Rückstellung imprägniert ist. Aus der EP-A 1 600 571 ist ein aus Schaumstoff bestehendes Dichtungselement bekannt mit einer im Einzelnen nicht spezifizierten Luftdurchlässigkeit. Auch dieses Schaumstoffelement ist zur verzögerten Rückstellung imprägniert.From the EP-A 1 131 525 a foam strip is known which is accommodated in a wrapping film and impregnated for delayed recovery. From the EP-A 1 600 571 For example, a foam gasket is known which has an unspecified air permeability. Also this foam element is impregnated for delayed recovery.

Ausgehend von dem genannten Stand der Technik beschäftigt sich die Erfindung mit der Aufgabe, einen Schaumstoffstreifen mit Umhüllungsfolie anzugeben, welcher in der Umhüllungsfolie aufgenommen ist, wobei der Aufbau soweit verbessert ist, dass hieraus zugleich eine verbesserte Handhabung des Schaumstoffstreifens resultiert.Based on the cited prior art, the invention has the object of specifying a foam strip with wrapping film, which is received in the wrapping film, wherein the structure is improved to the extent that this results in improved handling of the foam strip.

Diese Aufgabe ist beim Gegenstand des Anspruchs 1 gelöst, wobei darauf abgestellt ist, dass der eine Luftdurchlässigkeit von 80 - 150 1/m2s, gemessen nach DIN 53887 an einer 10mm dicken Probe bei 0,5mbar Unterdruck, aufweisende Schaumstoffstreifen bereits bei 10 - 60% Komprimierung seiner Dicke schlagregendicht ist. Der Schaumstoff ist offenzellig eingestellt, mit einer Luftdurchlässigkeit, die weiter bevorzugt im Bereich von 80 - 120 1/m2s liegt. Zufolge der erfindungsgemäßen Ausgestaltung sind die Rückstellkräfte des komprimiert in der Umhüllungsfolie aufgenommenen Schaumstoffstreifens so verringert, dass der eingepackte Streifen in dieser komprimierten Stellung einen der dekomprimierten Querschnittsform adäquaten Querschnitt aufweist, so in bevorzugter Ausgestaltung einen rechteckigen, bevorzugt annähernd quadratischen Querschnitt. Der komprimierte Streifen baucht nicht in Richtung quer zur Komprimierung aus, was die Handhabung des komprimiert in der Umhüllung gefassten Streifens erleichtert. Die Kanten des Rechteckquerschnitts können hierbei durchaus verrundet sein. Der diesbezügliche Radius beträgt jedoch nur wenige Millimeter, so insbesondere 1 - 2 mm. Die Dekomprimierung nach Aufreißen der Umhüllungsfolie erfolgt in bekannter Weise nur in einer Erstreckungsrichtung. Durch die vorgeschlagene Ausgestaltung des Schaumstoffstreifens wird eine komprimierte, umhüllte Stellung desselben erreicht, in der die quer zur Dekomprimierungs- bzw. Aufstellrichtung gemessene Breite des Schaumstoffstreifens der Breite in der unkomprimierten Stellung im Wesentlichen entspricht. Dies kann zu einer vereinfachten Handhabung bspw. beim Einsetzen des komprimierten Schaumstoffstreifens in eine Bauwerksfuge führen. Der Schaumstoffstreifen ist weiter so eingestellt, dass dieser bereits bei einer Komprimierung von nur 10 % schlagregendicht ist (nach DIN 18543). Die nach Aufreißen der Umhüllungsfolie resultierende Aufstellung des Streifens kann demzufolge bis zu 90 % der ursprünglichen Streifendicke betragen. Entsprechend kann ein nicht komprimierter Schaumstoff Verwendung finden, der mit einem entsprechend geringerem Übermaß gefertigt ist.This object is achieved in the subject matter of claim 1, which is based on the fact that the air permeability of 80 - 150 1 / m 2 s, measured according to DIN 53887 on a 10mm thick sample at 0.5mbar vacuum, having foam strips already at 10 - 60% compression of its thickness is driving rainproof. The foam is open-celled, with an air permeability which is more preferably in the range of 80-120 l / m 2 s. According to the embodiment of the invention, the restoring forces of the compressed recorded in the wrapping film Foam strip is reduced so that the wrapped strip in this compressed position has one of the decompressed cross-sectional shape adequate cross section, so in a preferred embodiment, a rectangular, preferably approximately square cross-section. The compressed strip does not bulge in the direction transverse to the compression, which facilitates the handling of the strip taken compressed in the wrapper. The edges of the rectangular cross-section can be completely rounded here. The relevant radius, however, is only a few millimeters, in particular 1 - 2 mm. The decompression after tearing open the wrapping film in a known manner only in one direction of extent. The proposed design of the foam strip achieves a compressed, enveloped position thereof in which the width of the foam strip measured transversely to the decompression or deployment direction substantially corresponds to the width in the uncompressed position. This can lead to a simplified handling, for example. When inserting the compressed foam strip in a building joint. The foam strip is further adjusted so that it is resistant to driving rain even at a compression of only 10% (according to DIN 18543). Accordingly, the formation of the strip resulting after rupture of the wrapping film can amount to up to 90% of the original strip thickness. Accordingly, a non-compressed foam can be used, which is manufactured with a correspondingly smaller oversize.

Die geforderte Schlagregendichtheit ist bspw. bei 50 %, also bei bis auf die Hälfte der unkomprimierten, ursprünglichen Dicke zusammengepresstem Streifen erreicht. Weiter ist in einer bevorzugten Ausgestaltung des Erfindungsgegenstandes vorgesehen, dass der Schaumstoff ein Polyurethan-Schaumstoff ist. Dieser kann mit einem flammhemmend eingestellten Kunstharz imprägniert sein, welcher zugleich die gewünschte Rückstellungsverzögerung bietet. Als besonders vorteilhaft erweist sich diesbezüglich, wenn der Schaumstoff ein Polyurethan-Ether-Schaumstoff ist, welcher einen erhöhten Anteil an geschlossenen Poren aufweist. Das Raumgewicht des Schaumstoffes beträgt 25 -100 kg/m3, bevorzugt 33 - 80 kg/m3. Die Stauchhärte nach ISO 3386 (40 %) beträgt bevorzugt 3,2 - 4,5 KPa.The required watertightness is, for example, achieved at 50%, ie at up to half of the uncompressed, original thickness compressed strip. Next is in a preferred embodiment of the subject invention provided that the foam is a polyurethane foam. This can be impregnated with a flame-retardant resin, which also provides the desired default delay. In this regard, it proves to be particularly advantageous if the foam is a polyurethane-ether foam which has an increased proportion of closed pores. The density of the foam is 25-100 kg / m 3 , preferably 33-80 kg / m 3 . The compression hardness according to ISO 3386 (40%) is preferably 3.2 - 4.5 KPa.

Nachstehend ist die Erfindung anhand der beigefügten Zeichnung, welche lediglich ein Ausführungsbeispiel darstellt, näher erläutert. Es zeigt:

Fig. 1
in perspektivischer Darstellung eine Rolle des erfindungsgemäßen, in einer Umhüllungsfolie im komprimierten Zustand gehalterten Schaumstoffstreifens;
Fig. 2
den Schnitt gemäß der Linie II - II in Fig. 1 mit in strichpunktierter Linienart wiedergegebener entkomprimierter Stellung des Schaumstoffstreifens;
Fig. 3
eine stark vergrößerte Schnittdarstellung des komprimierten Schaumstoffstreifens;
Fig. 4
in Schnittdarstellung eine Einbausituation mit dem in einer Bauwerksfuge festgelegten komprimierten Schaumstoffstreifen;
Fig. 5
eine der Fig. 4 entsprechende Darstellung, jedoch nach einem Aufreißen der Umhüllung und nachfolgender Rückstellung des Schaumstoffes;
Fig. 6
den Schaumstoffstreifen in perspektivischer Einzeldarstellung mit partiell aufgerissener Umhüllungsfolie.
The invention is explained in more detail below with reference to the attached drawing, which represents only one exemplary embodiment. It shows:
Fig. 1
a perspective view of a roll of the invention, held in a wrapping film in the compressed state gesalterten foam strip;
Fig. 2
the section according to the line II - II in Fig. 1 with decompressed position of the foam strip as indicated in dotted line fashion;
Fig. 3
a greatly enlarged sectional view of the compressed foam strip;
Fig. 4
in a sectional view of an installation situation with the specified in a building structure compressed foam strips;
Fig. 5
one of the Fig. 4 corresponding representation, but after tearing open the casing and subsequent recovery of the foam;
Fig. 6
the foam strip in perspective detail view with partially torn wrapping film.

Der vorgeschlagene Schaumstoffstreifen 1 formt einen elastisch rückstellfähigen Dichtstreifen D. Der Schaumstoffstreifen 1 ist offenporig und besteht in dem dargestellten Ausführungsbeispiel aus einem Polyurethan-Ether-Schaum.The proposed foam strip 1 forms an elastically resilient sealing strip D. The foam strip 1 is open-pored and consists in the illustrated embodiment of a polyurethane-ether foam.

Der Schaumstoffstreifen 1 ist zur verzögerten Rückstellung imprägniert, wozu als Imprägnierungsmittel bspw. Acrylat zur Anwendung kommt.The foam strip 1 is impregnated for delayed recovery, including as an impregnating agent, for example. Acrylate is used.

Im dekomprimierten, ursprünglichen Zustand weist der Schaumstoffstreifen 1 einen rechteckigen Querschnitt auf (siehe strichpunktierte Darstellung in Fig. 2). Die Komprimierung liegt in einer Ebene parallel zur längeren Seite des Rechtecks. Die in Komprimierrichtung verlaufende längere Seite entspricht in dem dargestellten Ausführungsbeispiel etwa dem Vierfachen der quer zur Komprimierungsrichtung gemessenen Breite x. Diese beträgt in dem dargestellten Ausführungsbeispiel etwa 20 mm.In the decompressed, original state, the foam strip 1 has a rectangular cross-section (see dash-dotted representation in FIG Fig. 2 ). The compression lies in a plane parallel to the longer side of the rectangle. The extending in the compression direction longer side corresponds in the illustrated embodiment about four times the measured transverse to the compression direction width x. This is about 20 mm in the illustrated embodiment.

Der komprimierte Schaumstoffstreifen 1 liegt in einer die Volumenverkleinerung sichernden Eintaschung ein, die durch eine Aufreiß-Umhüllungsfolie 2 erreicht ist. Diese besteht aus einer den Schaumstoffstreifen 1 einschließenden Kunststofffolie F, die zugleich eine sich in Längsrichtung des Schaumstoffstreifens 1 erstreckende Abreißlasche 3 ausbildet.The compressed foam strip 1 is in a volume reduction securing Eintaschung, which is achieved by a tear-wrapping film 2. This consists of a foam strip 1 enclosing plastic film F, which also forms a extending in the longitudinal direction of the foam strip 1 tear-off 3.

Die Umhüllungsfolie 2 besteht bspw. aus einem Polypropylen-Werkstoff. In der Aufreiß-Umhüllung 2 einliegend, ist der Schaumstoffstreifen 2 in Richtung seiner Querschnitts-Längsseite auf etwa ein Viertel seiner Ausgangsgestalt gemäß der strichpunktierten Darstellung in Fig. 2 zusammengedrückt. Die Eckbereiche sind leicht mit einem Radius von wenigen Millimetern, so in dem dargestellten Ausführungsbeispiel von etwa 2 mm verrundet, zufolge dessen der komprimierte Schaumstoffstreifen 1 weiterhin eine rechteckförmige Querschnittsgestalt aufweist. Dies unter Beibehaltung der auch ursprünglichen Breite x des Streifens 1. Lediglich die Dicke y' ist gegenüber der unkomprimierten Stellung (Dicke y - vgl. Fig. 2) verändert.The wrapping film 2 consists, for example, of a polypropylene material. Lying in the tear-open enclosure 2, the foam strip 2 is in the direction of its cross-sectional longitudinal side to about a quarter of its initial shape according to the dot-dashed line in FIG Fig. 2 pressed together. The corner areas are light with a radius of a few millimeters, rounded in the illustrated embodiment by about 2 mm, according to which the compressed foam strip 1 further has a rectangular cross-sectional shape. This while maintaining the original width x of the Strip 1. Only the thickness y 'is compared with the uncompressed position (thickness y - see. Fig. 2 ) changed.

Die komprimierten Seitenwände 4 des Schaumstoffstreifens 1 erstrecken sich im Querschnitt weiterhin etwa rechtwinklig zur Breitenerstreckung des Streifens.The compressed side walls 4 of the foam strip 1 continue to extend in cross section approximately at right angles to the width of the strip.

Dies ist erreicht durch die Wahl des Schaumstoffes, welcher eine Luftdurchlässigkeit von bspw. 801/m2s aufweist.This is achieved by the choice of the foam, which has an air permeability of, for example, 801 / m 2 s.

Die Umhüllungsfolie 2 ist zur Rückhaltung des Schaumstoffstreifens 1 in der komprimierten Stellung schlauchartig geformt; umfasst entsprechend den Schaumstoffstreifen 1 umlaufend. Der so gebildete Innenraum zur Aufnahme des komprimierten Schaumstoffstreifens 1 steht unter einer die Rollfähigkeit eines solchen Schaumstoffstreifens 1 bzw. Dichtstreifens D nicht behindernder Prallfüllung (siehe Fig. 1).The wrapping film 2 is tubular shaped to retain the foam strip 1 in the compressed position; includes according to the foam strip 1 circulating. The thus formed interior for receiving the compressed foam strip 1 is under a rollability of such a foam strip 1 or sealing strip D not hindering impingement (see Fig. 1 ).

Die den Schaumstoffstreifen 1 einschließende Kunststofffolie F ist zur Bildung der Aufreiß-Umhüllung 2 gegen sich selbst verhaftet. Diese Verhaftung ist einer Längsseitenwand 4 etwa mittig ihrer Höhenerstreckung im komprimierten Zustand über die gesamte Länge des Schaumstoffstreifens 1 vorgesehen und trägt in den Darstellungen das Bezugszeichen 5. Bevorzugt ist, wie auch dargestellt, die Verhaftung 5 durch eine Vernähung realisiert, bspw. in Form einer Abnaht. Die entsprechende Naht 6, enthaltend Ober- und Unterfaden, ist insbesondere in der Darstellung in Fig. 3 zu erkennen.The plastic film F enclosing the foam strip 1 is stuck against itself to form the tear-open enclosure 2. This arrest is provided on a longitudinal side wall 4 approximately in the middle of its vertical extent in the compressed state over the entire length of the foam strip 1 and carries in the representations the reference numeral 5. Preferably, as also shown, the arrest 5 realized by sewing, for example. In the form of a Abnaht. The corresponding seam 6 containing upper and lower thread, in particular in the illustration in Fig. 3 to recognize.

Die dabei auftretenden Nähstiche 7 bilden eine reihenförmige Perforation. Mittels dieser Verhaftung 5 wird ein den Schaumstoffstreifen 1 oberseitig überdeckender Folienabschnitt 8 mit einem den Schaumstoffstreifen 1 unterseitig abdeckenden Folienabschnitt 9 lösbar verbunden. Beide Folienabschnitte 8 und 9 erstrecken sich jenseits der Naht 6, dem Schaumstoffstreifen 1 abgewandt weiter zur Bildung der Abreißlasche 3.The occurring stitches 7 form a row-shaped perforation. By means of this arrest 5, a film section 8 covering the foam strip 1 on the upper side is detachably connected to a film section 9 covering the underside of the foam strip 1. Both foil sections 8 and 9 extend beyond the seam 6, facing away from the foam strip 1, to form the tear-off tab 3.

Der untere Folienabschnitt 9 erstreckt sich über die untere Breitseitenfläche des Schaumstoffstreifens 1 hinaus über den gesamten Rückenbereich des Schaumstoffstreifens 1, hier die zugeordnete Seitenwand 4 überdeckend bis in den dem Bodenbereich abgewandten Eckbereich. Hier geht dieser untere Folienabschnitt 9 materialeinheitlich, einstückig über in den oberen Folienabschnitt 8, wobei in dem vorbeschriebenen Eckbereich eine Perforation 10 vorgesehen ist, zur Trennung von oberem und unterem Folienabschnitt 8 bzw. 9.The lower film section 9 extends over the lower broad side surface of the foam strip 1 beyond the entire back region of the foam strip 1, here the associated side wall 4 overlapping into the corner region facing away from the bottom region. Here is this lower film section 9 of the same material, in one piece over in the upper film section 8, wherein in the above-described corner region a perforation 10 is provided for the separation of upper and lower film section 8 and 9 respectively.

Der obere Folienabschnitt 8 ist verstärkt durch eine zweite Folienlage 11. Diese erstreckt sich von der Perforation 10 ausgehend bis in den Wurzelbereich der Abreißlasche 3, die Naht 6 überdeckend.The upper film section 8 is reinforced by a second film layer 11. This extends from the perforation 10, starting in the root area of the tear-off tab 3, covering the seam 6.

Oberer Folienabschnitt 8 und zweite Folienlage 11 sind vollflächig miteinander verbunden, so insbesondere durch Verklebung.Upper film section 8 and second film layer 11 are connected to each other over the entire surface, in particular by gluing.

Der Schaumstoffstreifen 1 ist gegenüber der ihn umhüllenden Kunststofffolie F gegen Wandern gesichert festgelegt. Hierzu ist der Schaumstoffstreifen 1 innenseitig der Umhüllungsfolie 2 verhaftet. Diese Verhaftung ist durch Verkleben gebildet, wobei ein doppelseitig wirkender Klebestreifen 12 zur Anwendung kommt. Dieser ist auf der einen Seite mit der Kunststofffolie F und auf der anderen Seite mit dem Schaumstoffstreifen 1 verklebt. Dies hat zugleich fertigungstechnischen Vorteil, da sich bei noch offener, also nicht zur Bildung des Innenraumes geführter Umhüllung der Schaumstoffstreifen 2 exakt auf dem noch offenen, d.h. aufgefaltet planen Streifen der Kunststofffolie F haltern lässt.The foam strip 1 is set secured against wandering against the plastic film F enclosing it. For this purpose, the foam strip 1 is inside the wrapping film 2 arrested. This adhesion is formed by gluing using a double-sided adhesive strip 12. This is glued on one side with the plastic film F and on the other side with the foam strip 1. At the same time, this has production-technological advantage, since the foam strip 2 lies exactly on the still open, i.e., still open envelope, that is, not led to the formation of the interior space. unfolded plan strips of plastic film F can hold.

Zudem ist der Dichtstreifen D außenseitig mit einem Längsklebestreifen 13 versehen. Über diesen lässt sich der Dichtstreifen D an einem vorgesehenen Objekt haltern, wie bspw. an einem Rahmenprofil 14 oder einer damit verbundenen Leiste 15. In beiden Fällen kann es sich um Kunststoff-Profilmaterial handeln.In addition, the sealing strip D is provided on the outside with a longitudinal adhesive strip 13. About this can be the sealing strip D on a designated object holders, such as. On a frame section 14 or an associated bar 15. In both cases, it may be plastic profile material.

Auch der Längsklebestreifen 13 ist ein doppelseitig wirkender Klebestreifen. Der Längsklebestreifen 13 befindet sich räumlich in Überdeckung zur innenseitigen Verhaftung zwischen dem Schaumstoffstreifen 1 und der Kunststofffolie F durch den Klebestreifen 12. Auf diese Weise entsteht, einbezogen den die Aufreißumhüllung 2 bildenden Part, ein dreilagiges Laminat von guter Festigkeit, die noch durch eine besondere Armierungsmaßnahme erhöht ist. Hierzu sind Verstärkungsfäden 18 vorgesehen, die bodenseitig des Schaumstoffstreifens 1 zwischen dem zugeordneten Klebestreifen 12 und dem unteren Folienabschnitt 9 in Längserstreckung des Schaumstoffstreifens 1 verlaufen.The longitudinal adhesive strip 13 is a double-sided adhesive strip. The longitudinal adhesive strip 13 is spatially overlapping to the inside arrest between the foam strip 1 and the plastic film F by the adhesive strip 12. In this way, incorporated the tear-wrapping 2 forming part, a three-layer laminate of good strength, which still by a special Armierungsmaßnahme is increased. For this purpose reinforcing threads 18 are provided, which extend on the bottom side of the foam strip 1 between the associated adhesive strip 12 and the lower film section 9 in the longitudinal extent of the foam strip 1.

Der vorgeschlagene Schaumstoffstreifen 1 kann gemäß den Darstellungen in den Figuren 4 und 5 als Dichtstreifen D zur Dichtung einer Bauwerksfuge 16 herangezogen werden. Der Schaumstoffstreifen 1 ist mittels des Längsklebestreifens 13 an dem Rahmenprofil 14 bzw. hier an der Leiste 15 fixiert, gerichtet gegen die zu der Leiste 15 beabstandete Wandfläche 17. Zumindest bis zum Abschluss der Positionierungsarbeiten ist der Schaumstoffstreifen 1 weiterhin in seiner komprimierten Stellung in der Umhüllungsfolie 2 gefesselt. Erst hiernach erfolgt die Freigabe.The proposed foam strip 1, as shown in the FIGS. 4 and 5 be used as a sealing strip D for sealing a building joint 16. The foam strip 1 is fixed by means of the longitudinal adhesive strip 13 on the frame profile 14 or here on the strip 15, directed against the spaced to the bar 15 wall surface 17. At least until the completion of the positioning of the foam strip 1 is still in its compressed position in the wrapping film 2 tied up. Only then does the release take place.

Durch Zug an der Abreißlasche 3 reißt die Verhaftung 5 zufolge der durch die Nähstiche 7 erreichten Perforation, wobei bevorzugt hierbei beide durch die Folienabschnitte 8 und 9 gebildeten Laschenabschnitte erfasst werden. Insbesondere der untere Laschenabschnitt, d.h. der dem unteren, über den Längsklebestreifen 13 mit dem Rahmenprofil 14 bzw. mit der Leiste 15 verklebten Folienabschnitt 9 zugeordnete Laschenabschnitt reißt entlang der Naht 6 ab. Der obere Folienabschnitt 8 verbleibt an dessen Abreißlaschenabschnitt bedingt durch die laminatartige Verstärkung mittels der zweiten Folienlage 11. Dieser Abschnitt reißt entlang der rückwärtigen Perforation 10, wonach der gesamte obere Folienabschnitt 8 aus der Bauwerksfuge 16 herausgezogen werden kann, dies unter gleichzeitiger Auslösung der Schaumstoffrückstellung in Richtung auf die zugeordnete Wandfläche 17.By pulling on the tear-off tab 3, the attachment 5 ruptures according to the perforation achieved by the sewing stitches 7, in which case preferably both tab sections formed by the film sections 8 and 9 are grasped. In particular, the lower tab portion, that is, the tab portion associated with the lower film portion 9 bonded to the frame profile 14 or the strip 15 via the longitudinal adhesive strip 13, tears off along the seam 6. This section tears along the rear perforation 10, after which the entire upper film section 8 can be pulled out of the building joint 16, with simultaneous triggering of the foam provision in the direction on the associated wall surface 17th

Diese Schaumstoffrückstellung ist aufgrund der erwähnten Imprägnierung verzögernd eingestellt. Das Aufquellen des Schaumstoffes erfolgt entsprechend über einen längeren Zeitraum als bei Schaumstoffen, die nicht mit einer solchen Imprägnierung versehen sind.This foam provision is retarded due to the mentioned impregnation. The swelling of the foam is carried out accordingly over a longer period than foams that are not provided with such an impregnation.

In Fig. 5 ist die Stellung dargestellt, in welcher der aufgequollene Schaumstoffstreifen 1 mit einer rückgestellten Dicke y" die Bauwerksfuge 16 dichtend abschließt. Bevorzugt ist in dieser rückgestellten Stellung des Schaumstoffstreifens 1 ein quadratischer Querschnitt erreicht. Die Dicke y" entspricht weiter bevorzugt maximal der Breite x. Der Streifen 1 erfährt entsprechend eine Rückstellung auf etwa 50 % der ursprünglichen Schaumstoffdicke y. Durch die gewählten Schaumstoffeigenschaften ist bereits bei einer solchen Komprimierung ein ausreichender Schlagregenschutz erreicht. Dieser ist auch noch gegeben, wenn sich der Schaumstoff auf etwa 90 % der ursprünglichen Dicke zurückstellt. Er weist entsprechend eine Schlagregendichtigkeit auf, die bereits bei einer Komprimierung von nur 10 % erreicht wird, was in vorteilhafter Weise eine Reduzierung der Ausgangshöhe y und eine entsprechende Materialreduzierung zur Folge haben kann.In Fig. 5 the position in which the swollen foam strip 1 with a restored thickness y "sealingly closes the structural joint 16. Preferably, a square cross section is achieved in this restored position of the foam strip 1. The thickness y" further preferably corresponds at most to the width x. The strip 1 accordingly experiences a return to about 50% of the original foam thickness y. Due to the selected foam properties sufficient driving rain protection is achieved even with such a compression. This is still present when the foam returns to about 90% of its original thickness. He has accordingly a driving rain, which is already achieved with a compression of only 10%, which can advantageously have a reduction of the initial height y and a corresponding reduction in material result.

Claims (5)

  1. Foam strip with an enveloping foil, wherein said foam strip (1) is received in said enveloping foil (2), wherein further said foam strip (1) is impregnated for retarded restoring and has a rectangular cross section, characterized in that the foam strip having an air permeability of 80 - 150 I/m2s, measured according to DIN 53887 on a sample of 10 mm thickness at a negative pressure of 0.5 mbar, is driving rain-proof already at a compression of 10 - 60% of its thickness.
  2. Foam strip according to claim 1, characterized in that the foam is a polyurethane foam.
  3. Foam strip according to claim 1, characterized in that the foam is an ether-based polyurethane foam.
  4. Foam strip according to any one of the preceding claims, characterized in that the foam has a volumetric weight of 25 - 100 kg/m3.
  5. Foam strip according to any one of the preceding claims, characterized in that the foam has a compression stress value according to ISO 3386 (40%) of 3.2 - 4.5 KPa.
EP06124533.8A 2005-12-07 2006-11-22 Foam strip within an envelopping foil Active EP1795664B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005058414A DE102005058414A1 (en) 2005-12-07 2005-12-07 Foam strips picked up in a wrapping film

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EP1795664A2 EP1795664A2 (en) 2007-06-13
EP1795664A3 EP1795664A3 (en) 2008-09-03
EP1795664B1 true EP1795664B1 (en) 2015-01-28

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DE19944611A1 (en) * 1999-09-17 2001-03-22 Illbruck Gmbh Sealing strips for sealing a joint
DE102008025019A1 (en) * 2008-04-28 2009-10-29 Tremco Illbruck Produktion Gmbh Window frame, method for installing a window, foam sealing tape, method for sealing a window frame and container with foam sealing tape
DK2138664T3 (en) * 2008-06-23 2015-07-13 Iso Chemie Gmbh pre-compressed sealant
DE202010005431U1 (en) 2010-05-11 2011-10-12 Tremco Illbruck Produktion Gmbh In a building joint insertable heating element and sealing element
DE202010008331U1 (en) 2010-08-23 2011-11-29 Tremco Illbruck Produktion Gmbh Foam sealing tape
DE102016111284A1 (en) * 2016-06-20 2017-12-21 Tremco Illbruck Produktion Gmbh sealing tape
DE102017105033A1 (en) * 2017-03-09 2018-09-13 Tremco Illbruck Produktion Gmbh Liner wrapped sealing tape
DE102018114770A1 (en) * 2018-06-20 2019-12-24 tremco illbruck GmbH Foil device, in particular facade foil
DE102023102930A1 (en) 2023-02-07 2024-08-08 Tremco CPG Germany GmbH Activated sealing tape
DE102023102931A1 (en) 2023-02-07 2024-08-08 Tremco CPG Germany GmbH Activated sealing tape

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EP0688382B1 (en) * 1993-03-10 1999-01-13 Illbruck GmbH Joint sealing strip

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DE7201185U (en) * 1972-04-06 W Cordes Kg Ironing machine, hot iron or the like
DE19944611A1 (en) * 1999-09-17 2001-03-22 Illbruck Gmbh Sealing strips for sealing a joint
DE20019519U1 (en) * 2000-11-17 2001-01-11 VITO Irmen GmbH & Co KG, 53424 Remagen Sealing strip
DE20306687U1 (en) * 2003-04-29 2004-09-02 Iso-Chemie Gmbh sealing tape
ATE328168T1 (en) * 2004-05-27 2006-06-15 Iso Chemie Gmbh SEALING ELEMENT
DE202004014188U1 (en) * 2004-05-27 2005-01-05 Iso-Chemie Gmbh Sealing element consisting of a soft foam material, with a specified maximum air transfer rate, is constituted so that after compression it undergoes a delayed uniform recovery

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EP0688382B1 (en) * 1993-03-10 1999-01-13 Illbruck GmbH Joint sealing strip

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Title
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Also Published As

Publication number Publication date
EP1795664A3 (en) 2008-09-03
DE202006020528U1 (en) 2008-11-13
EP1795664A2 (en) 2007-06-13
DE102005058414A1 (en) 2007-06-14

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