EP3058159B1 - Supply roll for a sealing strip - Google Patents

Supply roll for a sealing strip Download PDF

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Publication number
EP3058159B1
EP3058159B1 EP14805167.5A EP14805167A EP3058159B1 EP 3058159 B1 EP3058159 B1 EP 3058159B1 EP 14805167 A EP14805167 A EP 14805167A EP 3058159 B1 EP3058159 B1 EP 3058159B1
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EP
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Prior art keywords
film
supply roll
self
adhesive layer
sealing
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EP14805167.5A
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German (de)
French (fr)
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EP3058159A1 (en
EP3058159B2 (en
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Horst RESCH
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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
    • 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
    • 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 supply roll for a sealing tape made of an open-cell foam having a winding core for the contiguous under a radial compressive load windings of precompressed, provided on one side with a self-adhesive layer and on the opposite side with a film sealing tape.
  • Pre-compressed sealing tapes made of open-cell foam are usually used to seal joints.
  • the delayed recovery of the pre-compressed sealing tapes allows for ease of assembly because these sealing tapes can be inserted into the joints in a still compressed condition with appropriate clearance before the sealing tapes, due to their inherent elasticity, inflate with air filling their pores and seal against the joint walls ,
  • the sealing tapes are provided on one side with a self-adhesive layer, through which they are glued to one of the opposing joint walls.
  • the self-adhesive layer of the sealing tapes would stick together the turns of the sealing tapes wound up into supply rolls, the self-adhesive layers are covered with a cover foil which must be pulled off before the sealing tapes are to be sealed into joints, which requires an additional work step for the installation of such sealing tapes.
  • the supply rolls of precompressed sealing tapes cause a radial compressive load of the adjacent turns to prevent premature expansion of the sealing tapes, the supply rolls are enclosed with a sheath which prevents elastic recovery of the precompressed sealing tapes rolled up on a core.
  • the document DE-A-2410121 shows such a supply roll.
  • the disadvantage here is that the remaining on a winding core remaining sealing strip elastically expands after removal of the shell of the supply roll, if the remaining roll of tape is not secured by a cuff before elastic recovery of the sealing tape occurs.
  • the widening of the sealing strip takes place only by a detachment of the cover from the groove edges and the sealing strip.
  • the self-adhesive layers of the sealing tape and the cover when winding the provided with the cover sealing tape cause no sticking of the turns of the wound sealing tape and thus complicate the unwinding
  • the cover is provided on the side facing away from the sealing tape with an adhesive-repellent layer.
  • it is difficult to wind the sealing tape provided with such a cover sheet under a compression to a supply roll because in the region of the sealing tape above the edges of the cover result in different winding diameter, the compression of the sealing tape in the supply roll can be maintained over the cover film only as long as the supply roll is prevented by a sleeve or the like.
  • the invention is therefore based on the object, a supply roll for a sealing strip of an open-cell foam in such a way that not only easy handling for laying achieved, but also ensured by simple means that after removing a portion of the sealing strip from a supply roll the sealing tape of the remaining roll remains under a radial compressive stress necessary for the compression.
  • the invention solves the problem set by the fact that the zugfest trained, laminated on the sealing tape, preferably air-permeable film on the self-adhesive layer of each adjacent winding releasably adheres.
  • the supply roll for such a sealing strip does not require a widening preventive covering, so that a residual supply of the sealing strip is held on the supply roll without additional measures in the pre-compressed state, if the film is formed sufficiently tensile strength to a radial expansion of the supply roll preventing stretching to prevent in the circumferential direction. Since the effect of the tensile film within the winding roll is limited to the width range of the sealing tape, a widening of the film across the width of the sealing strip is not useful.
  • An air-tight cover film impairs the air filling of the pores of the elastically resetting sealing tape.
  • the film is preferably formed on the side opposite the self-adhesive layer of the sealing strip permeable to air.
  • a sealing tape according to the invention thus needs to be withdrawn only in the required length of the supply roll by the adhesive forces between the self-adhesive layer and the film of the adjacent tape turns are overcome to stick the precompressed sealing tape with a delayed elastic recovery in the joint to be sealed can. Since the self-adhesive layer is released when removing the sealing strip from the supply roll, the sealing strip can be introduced directly into the joint to be sealed.
  • the air permeability of the film on the opposite side of the self-adhesive tape side can be achieved in different ways, because it's all about ensuring the preferably delayed access of air to the compressed, open-cell foam. Particularly simple construction conditions arise in this context when the film is formed as a perforated film.
  • the tensile film comes to rest on the outside of the turns, so that the sealing strip is subjected in the region of each outermost turn of the supply roll under a compressive stress counteracting the free expansion.
  • the film can be fire retardant be equipped or made of an intumescent material, whereby the behavior of the sealing strip can be improved in case of fire.
  • the adhesive forces between the film and the self-adhesive layer must provide for a shear-resistant connection of the adjacent windings of the supply roll, which are exposed due to the elastic precompression of a radial compressive load, without preventing the withdrawal of the sealing tape from the supply roll. However, this does not mean that after peeling no adhesive residues may be present on the film. If the adhesive forces between the self-adhesive layer and the film exceed the internal binding forces of the self-adhesive layer, a thin self-adhesive layer will remain on the film when the sealing tape is removed from the supply roll, so that the removed sealing tape allows bonding to the adjacent joint walls on both sides.
  • the partially withdrawn from the supply roll and in the withdrawn length elastically recovered seal tape 1 is made of an open-cell foam 2, which is provided on one side of the sealing tape 1 with a self-adhesive layer 3 and on the opposite side a film 4, with respect their adhesion properties in conjunction with the self-adhesive layer 3 is formed so that a releasable adhesion is achieved.
  • Such a sealing tape 1 is wound on a winding core 5 under precompression, the self-adhesive layer 3 coming to rest on the inside and the film 4 on the outside of the adjacent turns 6 of the supply roll.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Adhesive Tapes (AREA)
  • Gasket Seals (AREA)
  • Building Environments (AREA)

Description

Technisches GebietTechnical area

Die Erfindung bezieht sich auf eine Vorratsrolle für ein Dichtungsband aus einem offenporigen Schaumstoff mit einem Wickelkern für die unter einer radialen Druckbelastung aneinanderliegenden Windungen des vorkomprimierten, auf einer Seite mit einer Selbstklebeschicht und auf der gegenüberliegenden Seite mit einer Folie versehenen Dichtungsbands.The invention relates to a supply roll for a sealing tape made of an open-cell foam having a winding core for the contiguous under a radial compressive load windings of precompressed, provided on one side with a self-adhesive layer and on the opposite side with a film sealing tape.

Vorkomprimierte Dichtungsbänder aus einem offenporigen Schaumstoff werden üblicherweise zur Abdichtung von Fugen eingesetzt. Die verzögerte Rückstellung der vorkomprimierten Dichtungsbänder erlaubt eine einfache Montage, weil diese Dichtungsbänder in einem noch komprimierten Zustand mit entsprechendem Spiel in die Fugen eingebracht werden können, bevor sich die Dichtungsbänder zufolge ihrer Eigenelastizität unter Auffüllung Ihrer Poren mit Luft aufweiten und sich dichtend an die Fugenwände anlegen. Zur Befestigung in den Fugen sind die Dichtungsbänder auf einer Seite mit einer Selbstklebeschicht versehen, über die sie an einer der einander gegenüberliegenden Fugenwände angeklebt werden. Da die Selbstklebeschicht der Dichtungsbänder die Windungen der zu Vorratsrollen aufgewickelten Dichtungsbänder verkleben würden, werden die Selbstklebeschichten mit einer Deckfolie abgedeckt, die vor dem Einsetzen der Dichtungsbänder in abzudichtende Fugen abgezogen werden muss, was für die Montage solcher Dichtungsbänder einen zusätzlichen Arbeitsschritt erfordert. Da die Vorratsrollen aus vorkomprimierten Dichtungsbändern eine radiale Druckbelastung der aneinanderliegenden Windungen bedingen, um ein vorzeitiges Aufweiten der Dichtungsbänder zu unterbinden, werden die Vorratsrollen mit einer Hülle umschlossen, die ein elastisches Rückstellen der vorkomprimierten, auf einem Kern aufgerollten Dichtungsbänder verhindert. Das Dokument DE-A-2410121 zeigt eine derartige Vorratsrolle. Nachteilig dabei ist, dass sich das auf einem Wickelkern verbleibende restliche Dichtungsband nach einem Entfernen der Hülle von der Vorratsrolle elastisch aufweitet, wenn die verbleibende Bandrolle nicht durch eine Manschette gesichert wird, bevor eine elastische Rückstellung des Dichtungsbands erfolgt.Pre-compressed sealing tapes made of open-cell foam are usually used to seal joints. The delayed recovery of the pre-compressed sealing tapes allows for ease of assembly because these sealing tapes can be inserted into the joints in a still compressed condition with appropriate clearance before the sealing tapes, due to their inherent elasticity, inflate with air filling their pores and seal against the joint walls , For attachment in the joints, the sealing tapes are provided on one side with a self-adhesive layer, through which they are glued to one of the opposing joint walls. Since the self-adhesive layer of the sealing tapes would stick together the turns of the sealing tapes wound up into supply rolls, the self-adhesive layers are covered with a cover foil which must be pulled off before the sealing tapes are to be sealed into joints, which requires an additional work step for the installation of such sealing tapes. Since the supply rolls of precompressed sealing tapes cause a radial compressive load of the adjacent turns to prevent premature expansion of the sealing tapes, the supply rolls are enclosed with a sheath which prevents elastic recovery of the precompressed sealing tapes rolled up on a core. The document DE-A-2410121 shows such a supply roll. The disadvantage here is that the remaining on a winding core remaining sealing strip elastically expands after removal of the shell of the supply roll, if the remaining roll of tape is not secured by a cuff before elastic recovery of the sealing tape occurs.

Um vorkomprimierte Dichtungsbänder nicht nur mit einer Fugenwand, sondern mit den beiden einander gegenüberliegenden Wänden einer abzudichtenden Fuge verkleben zu können, ist es bekannt ( EP 2 514 901 A1 ), die Dichtungsbänder auf ihren beiden einander gegenüberliegenden Seiten mit je einer Selbstklebeschicht zu versehen, sodass beim rückstellenden Aufweiten des Dichtungsbands innerhalb einer Fuge beide Seiten des Dichtungsbands selbstklebend an die Fugenwände angedrückt werden. Diese Selbstklebeschichten werden über abziehbare Deckfolien geschützt, was hinsichtlich der radialen Druckbelastung der aneinanderliegenden Windungen wiederum eine entsprechende Umhüllung der Vorratsrollen bedingt.In order to be able to bond precompressed sealing tapes not only with a joint wall, but with the two opposite walls of a joint to be sealed, it is known (US Pat. EP 2 514 901 A1 ), To provide the sealing tapes on its two opposite sides, each with a self-adhesive layer, so that when resetting the expansion of the sealing strip within a joint both sides of the sealing tape are pressed self-adhesive to the joint walls. These self-adhesive layers are protected by peelable cover films, which in turn causes a corresponding envelope of the supply rolls in terms of the radial pressure load of the adjacent turns.

Schließlich ist es bekannt ( DE10104992 A1 ), zur Abdichtung der Fuge zwischen zwei Halbsparren einer Dachkonstruktion ein vorkomprimiertes Dichtungsband einzusetzen, das auf einer Seite mit einer Selbstklebeschicht versehen ist und auf der gegenüberliegenden Seite eine ablösbare Abdeckfolie trägt, die seitlich über das Dichtungsband vorsteht und in den beiden seitlich vorstehenden Bereichen eine Selbstklebeschicht aufweist, sodass das vorkomprimierte Dichtungsband in eine Nut der Halbsparren eingesetzt und mit Hilfe der über die Nutränder vorstehenden, mit einer Selbstklebeschicht versehenen Folienbereichen innerhalb der Nut in einem vorkomprimierten Zustand festgehalten werden kann, um ein vorzeitiges Aufweiten des vorkomprimierten Dichtungsbands zu unterbinden. Das Aufweiten des Dichtungsbands erfolgt erst durch ein Ablösen der Abdeckfolie von den Nuträndern und dem Dichtungsband. Damit die Selbstklebeschichten des Dichtungsbands und der Abdeckfolie beim Aufwickeln des mit der Abdeckfolie versehenen Dichtungsbandes keine Verklebung der Windungen des aufgewickelten Dichtungsbands bedingen und damit das Abwickeln erschweren, ist die Abdeckfolie auf der dem Dichtungsband abgewandten Seite mit einer klebstoffabweisenden Schicht versehen. Abgesehen davon, dass es schwierig ist, das mit einer solchen Abdeckfolie versehene Dichtungsband unter einer Komprimierung zu einer Vorratsrolle aufzuwickeln, weil sich im Bereich der über das Dichtungsband vorstehenden Ränder der Abdeckfolie unterschiedliche Wickeldurchmesser ergeben, kann über die Abdeckfolie die Komprimierung des Dichtungsbands in der Vorratsrolle nur solange aufrechterhalten werden, solange die Vorratsrolle durch eine Manschette oder dgl. an einer Aufweitung gehindert wird.Finally, it is known ( DE10104992 A1 ), for sealing the joint between two half-rafters of a roof construction to use a precompressed sealing strip which is provided on one side with a self-adhesive layer and on the opposite side carries a removable cover sheet projecting laterally over the sealing strip and in the two laterally projecting areas a self-adhesive layer so that the pre-compressed sealing tape can be inserted into a groove of the half-rafters and held within the groove in a pre-compressed state by means of the self-adhesive layer protruding over the groove edges, to prevent premature expansion of the precompressed sealing tape. The widening of the sealing strip takes place only by a detachment of the cover from the groove edges and the sealing strip. Thus, the self-adhesive layers of the sealing tape and the cover when winding the provided with the cover sealing tape cause no sticking of the turns of the wound sealing tape and thus complicate the unwinding, the cover is provided on the side facing away from the sealing tape with an adhesive-repellent layer. Apart from the fact that it is difficult to wind the sealing tape provided with such a cover sheet under a compression to a supply roll, because in the region of the sealing tape above the edges of the cover result in different winding diameter, the compression of the sealing tape in the supply roll can be maintained over the cover film only as long as the supply roll is prevented by a sleeve or the like. At a widening.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt somit die Aufgabe zugrunde, eine Vorratsrolle für ein Dichtungsband aus einem offenporigen Schaumstoff so auszugestalten, dass nicht nur eine einfache Handhabung für das Verlegen erreicht, sondern auch mit einfachen Mitteln sichergestellt wird, dass nach einem Abziehen eines Teils des Dichtungsbands von einer Vorratsrolle das Dichtungsband der Restrolle unter einer für die Komprimierung notwendigen radialen Druckspannung verbleibt.The invention is therefore based on the object, a supply roll for a sealing strip of an open-cell foam in such a way that not only easy handling for laying achieved, but also ensured by simple means that after removing a portion of the sealing strip from a supply roll the sealing tape of the remaining roll remains under a radial compressive stress necessary for the compression.

Ausgehend von einer Vorratsrolle der eingangs geschilderten Art, löst die Erfindung die gestellte Aufgabe dadurch, dass die zugfest ausgebildete, auf das Dichtungsband aufkaschierte, vorzugsweise luftdurchlässige Folie an der Selbstklebeschicht der jeweils anliegenden Windung lösbar haftet.Starting from a supply roll of the type described above, the invention solves the problem set by the fact that the zugfest trained, laminated on the sealing tape, preferably air-permeable film on the self-adhesive layer of each adjacent winding releasably adheres.

Durch das Vorsehen einer zugfest ausgebildeten Folie auf der der Selbstklebeschicht gegenüberliegenden Seite des Dichtungsbands wird sichergestellt, dass die einzelnen Windungen des Dichtungsbands sich nicht in Umfangsrichtung gegeneinander verschieben können, weil die Selbstklebeschicht des Dichtungsbands an der Folie lösbar haftet, die ja nicht mit einer klebstoffabweisenden Schicht versehen ist. Die Selbstklebeschicht auf der Innenseite der Windungen hält somit die Folie auf der Außenseite der jeweils anliegenden inneren Windung schubfest fest. Aufgrund der zugfesten Ausbildung der Folie kann sich keine für eine elastisch aufweitende Rückstellung ausreichende Längendehnung des vorkomprimierten Dichtungsbands ergeben. Dies bedeutet, dass die Vorratsrolle für ein solches Dichtungsband keiner eine aufweitende Rückstellung verhindernden Umhüllung bedarf, sodass ein Restvorrat des Dichtungsbands auf der Vorratsrolle ohne zusätzliche Maßnahmen im vorkomprimierten Zustand gehalten wird, wenn die Folie ausreichend zugfest ausgebildet ist, um eine ein radiales Aufweiten der Vorratsrolle verhindernde Dehnung in Umfangsrichtung zu unterbinden. Da die Wirkung der zugfesten Folie innerhalb der Wickelrolle auf den Breitenbereich des Dichtungsbands beschränkt ist, ist eine Verbreiterung der Folie über die Breite des Dichtungsbands nicht sinnvoll.By providing a tensile film formed on the side opposite the self-adhesive layer side of the sealing strip ensures that the individual turns of the sealing strip can not move in the circumferential direction against each other, because the self-adhesive layer of the sealing tape releasably adheres to the film, which is not with an adhesive repellent layer is provided. The self-adhesive layer on the inside of the turns thus holds the film on the outside of each adjacent inner turn shear resistant. Due to the tensile strength of the film formation can not be sufficient for an elastically expanding recovery sufficient elongation of the precompressed gasket tape. This means that the supply roll for such a sealing strip does not require a widening preventive covering, so that a residual supply of the sealing strip is held on the supply roll without additional measures in the pre-compressed state, if the film is formed sufficiently tensile strength to a radial expansion of the supply roll preventing stretching to prevent in the circumferential direction. Since the effect of the tensile film within the winding roll is limited to the width range of the sealing tape, a widening of the film across the width of the sealing strip is not useful.

Eine luftdichte Abdeckfolie, wie sie für Selbstklebeschichten üblich ist, beeinträchtigt die Luftfüllung der Poren des sich elastisch rückstellenden Dichtungsbands. Aus diesem Grunde wird die Folie auf der der Selbstklebeschicht gegenüberliegenden Seite des Dichtungsbands vorzugsweise luftdurchlässig ausgebildet. Für die Verarbeitung braucht ein erfindungsgemäßes Dichtungsband somit lediglich in der benötigten Länge von der Vorratsrolle abgezogen zu werden, indem die Haftkräfte zwischen der Selbstklebeschicht und der Folie der aneinanderliegenden Bandwindungen überwunden werden, um das vorkomprimierte Dichtungsband mit einer verzögerten elastischen Rückstellung in die abzudichtende Fuge einkleben zu können. Da die Selbstklebeschicht beim Abziehen des Dichtungsbands von der Vorratsrolle freigegeben wird, kann das Dichtungsband unmittelbar in die abzudichtende Fuge eingebracht werden.An air-tight cover film, as is customary for self-adhesive coatings, impairs the air filling of the pores of the elastically resetting sealing tape. For this reason, the film is preferably formed on the side opposite the self-adhesive layer of the sealing strip permeable to air. For processing a sealing tape according to the invention thus needs to be withdrawn only in the required length of the supply roll by the adhesive forces between the self-adhesive layer and the film of the adjacent tape turns are overcome to stick the precompressed sealing tape with a delayed elastic recovery in the joint to be sealed can. Since the self-adhesive layer is released when removing the sealing strip from the supply roll, the sealing strip can be introduced directly into the joint to be sealed.

Die Luftdurchlässigkeit der Folie auf der der Selbstklebeschicht gegenüberliegenden Bandseite kann auf unterschiedlichen Wegen erreicht werden, weil es ja nur darum geht, den vorzugsweise verzögerten Luftzutritt zum komprimierten, offenporigen Schaumstoff zu gewährleisten. Besonders einfache Konstruktionsverhältnisse ergeben sich in diesem Zusammenhang, wenn die Folie als Lochfolie ausgebildet ist.The air permeability of the film on the opposite side of the self-adhesive tape side can be achieved in different ways, because it's all about ensuring the preferably delayed access of air to the compressed, open-cell foam. Particularly simple construction conditions arise in this context when the film is formed as a perforated film.

Ist das Dichtungsband auf der Innenseite der Windungen mit der Selbstklebeschicht versehen, so kommt die zugfeste Folie auf der Außenseite der Windungen zu liegen, sodass das Dichtungsband auch im Bereich der jeweils äußersten Windung der Vorratsrolle unter einer dem freien Aufweiten entgegenwirkenden Druckspannung unterworfen wird.If the sealing strip on the inside of the turns provided with the self-adhesive layer, the tensile film comes to rest on the outside of the turns, so that the sealing strip is subjected in the region of each outermost turn of the supply roll under a compressive stress counteracting the free expansion.

Mit dem Vorsehen einer Folie auf der der Selbstklebeschicht gegenüberliegenden Bandseite eröffnen sich verschiedene Möglichkeiten, die Eigenschaften des Dichtungsbands durch eine entsprechende Wahl des Werkstoffs der Folie an unterschiedliche Anforderungen anzupassen. So kann die Folie beispielsweise brandhemmend ausgerüstet sein oder aus einem intumeszenten Werkstoff bestehen, wodurch das Verhalten des Dichtungsbands im Brandfall verbessert werden kann.With the provision of a film on the band side opposite the self-adhesive layer, various possibilities open up for adapting the properties of the sealing band to different requirements by a suitable choice of the material of the film. For example, the film can be fire retardant be equipped or made of an intumescent material, whereby the behavior of the sealing strip can be improved in case of fire.

Die Haftkräfte zwischen der Folie und der Selbstklebeschicht müssen für eine schubfeste Verbindung der aneinanderliegenden, aufgrund der elastischen Vorkomprimierung einer radialen Druckbelastung ausgesetzten Windungen der Vorratsrolle sorgen, ohne das Abziehen des Dichtungsbands von der Vorratsrolle zu verhindern. Dies bedeutet jedoch nicht, dass nach dem Abziehen keine Kleberückstände auf der Folie vorhanden sein dürfen. Übersteigen die Haftkräfte zwischen der Selbstklebeschicht und der Folie die inneren Bindungskräfte der Selbstklebeschicht, so wird beim Abziehen des Dichtungsbands von der Vorratsrolle eine dünne Selbstklebeschicht auf der Folie verbleiben, sodass das abgezogene Dichtungsband auf beiden Seiten eine Verklebung mit den anliegenden Fugenwänden ermöglicht.The adhesive forces between the film and the self-adhesive layer must provide for a shear-resistant connection of the adjacent windings of the supply roll, which are exposed due to the elastic precompression of a radial compressive load, without preventing the withdrawal of the sealing tape from the supply roll. However, this does not mean that after peeling no adhesive residues may be present on the film. If the adhesive forces between the self-adhesive layer and the film exceed the internal binding forces of the self-adhesive layer, a thin self-adhesive layer will remain on the film when the sealing tape is removed from the supply roll, so that the removed sealing tape allows bonding to the adjacent joint walls on both sides.

Kurze Beschreibung der ZeichnungShort description of the drawing

In der Zeichnung ist der Erfindungsgegenstand beispielsweise dargestellt, und zwar wird eine erfindungsgemäße Vorratsrolle für ein Dichtungsband in einer schematischen, zum Teil aufgerissenen Seitenansicht gezeigt.In the drawing, the subject invention is illustrated, for example, and indeed a supply roll according to the invention for a sealing strip in a schematic, partially torn side view is shown.

Weg zur Ausführung der ErfindungWay to carry out the invention

Das zum Teil von der Vorratsrolle abgezogene und im Bereich der abgezogenen Länge elastisch rückgestellte Dichtungsband 1 ist aus einem offenporigen Schaumstoff 2 gefertigt, der auf einer Seite des Dichtungsbands 1 mit einer Selbstklebeschicht 3 versehen ist und auf der gegenüberliegenden Seite eine Folie 4 aufweist, die hinsichtlich ihrer Haftungseigenschaften in Verbindung mit der Selbstklebeschicht 3 so ausgebildet ist, dass eine lösbare Haftung erreicht wird. Ein solches Dichtungsband 1 wird unter einer Vorkomprimierung auf einen Wickelkern 5 aufgewickelt, wobei die Selbstklebeschicht 3 auf der Innenseite und die Folie 4 auf der Außenseite der aneinanderliegenden Windungen 6 der Vorratsrolle zu liegen kommen. Dies bedeutet, dass die jeweils innenliegende Selbstklebeschicht 3 der äußeren zweier aneinanderliegenden Windungen 6 an die außenliegende Folie 4 der inneren dieser Windungen 6 mit der Wirkung haftend angedrückt wird, dass zwischen diesen Windungen 6 keine Verschiebung in Umfangsrichtung möglich ist. Da die Folie 4 zugfest ausgebildet ist, wird das vorkomprimierte Dichtungsband 1 innerhalb der Vorratsrolle unter einer radialen Druckspannung gehalten, die einer elastischen, aufweitenden Rückstellung des Dichtungsbands 1 entgegensteht. Das Dichtungsband 1 kann daher in der jeweils benötigten Länge von der Vorratsrolle abgezogen werden, ohne dass das restliche Dichtungsband 1 der Vorratsrolle einer Rückstellgefahr unterworfen wird.The partially withdrawn from the supply roll and in the withdrawn length elastically recovered seal tape 1 is made of an open-cell foam 2, which is provided on one side of the sealing tape 1 with a self-adhesive layer 3 and on the opposite side a film 4, with respect their adhesion properties in conjunction with the self-adhesive layer 3 is formed so that a releasable adhesion is achieved. Such a sealing tape 1 is wound on a winding core 5 under precompression, the self-adhesive layer 3 coming to rest on the inside and the film 4 on the outside of the adjacent turns 6 of the supply roll. This means that the respective inner self-adhesive layer 3 of the outer two adjacent turns 6 to the outer foil 4 of the inner these turns 6 is pressed with the effect adhering to that between these turns 6 no displacement in the circumferential direction is possible. Since the film 4 is formed tensile strength, the precompressed sealing strip 1 is held within the supply roll under a radial compressive stress, which precludes an elastic, expanding provision of the sealing strip 1. The sealing strip 1 can therefore be deducted from the supply roll in the respectively required length, without the rest of the sealing strip 1 of the supply roll being subjected to a return risk.

Das von der Vorratsrolle abgezogene Dichtungsband 1, dessen elastische Rückstellung in an sich bekannter Weise verzögert abläuft, kann unmittelbar in eine abzudichtende Fuge eingebracht werden, weil die Selbstklebeschicht 3 beim Abziehen des Dichtungsbands 1 von der Vorratsrolle freigegeben wird. Wegen der Luftdurchlässigkeit der Folie 4 wird die elastische Aufweitung des Dichtungsbands 1 unter einer Luftbefüllung der Poren des Schaumstoffs 2 nicht behindert. Hängt die Luftdurchlässigkeit der Folie 4 von der Temperatur oder der Luftfeuchtigkeit ab, so kann in vorteilhafter Weise auf Umweltbedingungen Rücksicht genommen werden.The withdrawn from the supply roll sealing tape 1, the elastic return expires in a conventional manner delayed, can be introduced directly into a joint to be sealed, because the self-adhesive layer 3 is released when removing the sealing tape 1 from the supply roll. Because of the air permeability of the film 4, the elastic expansion of the sealing strip 1 under an air filling of the pores of the foam 2 is not hindered. If the air permeability of the film 4 depends on the temperature or the air humidity, then environmental conditions can be taken into account in an advantageous manner.

Claims (6)

  1. Supply roll for a sealing tape (1) consisting of an open-cell foam (2), having a winding core (5) for the windings (6) - which adjoin one other when under radial compressive loading - of the pre-compressed sealing tape (1) provided on one side with a self-adhesive layer (3) and on the opposite side with a film (4), characterised in that the preferably air-permeable film (4) formed so as to guarantee tensile strength and laminated on the sealing tape (1) releasably adheres to the self-adhesive layer (3) of the respectively adjoining winding (6).
  2. Supply roll as claimed in claim 1, characterised in that the sealing tape (1) is provided on the inner side of the windings (6) with the self-adhesive layer (3).
  3. Supply roll as claimed in claim 1 or 2, characterised in that the film (4) is formed as a perforated film.
  4. Supply roll as claimed in any one of claims 1 to 3, characterised in that the film (4) is provided so as to be fire-retardant.
  5. Supply roll as claimed in any one of claims 1 to 4, characterised in that the film (4) is formed from an intumescent material.
  6. Supply roll as claimed in any one of claims 1 to 5, characterised in that the adhesive forces between the self-adhesive layer (3) and the film (4) exceed the internal binding forces of the self-adhesive layer (3).
EP14805167.5A 2013-10-14 2014-10-14 Supply roll for a sealing strip Active EP3058159B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50661/2013A AT514581B1 (en) 2013-10-14 2013-10-14 Supply roll for a sealing tape
PCT/AT2014/050246 WO2015054716A1 (en) 2013-10-14 2014-10-14 Supply roll for a sealing strip

Publications (3)

Publication Number Publication Date
EP3058159A1 EP3058159A1 (en) 2016-08-24
EP3058159B1 true EP3058159B1 (en) 2017-06-28
EP3058159B2 EP3058159B2 (en) 2021-01-20

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Family Applications (1)

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EP14805167.5A Active EP3058159B2 (en) 2013-10-14 2014-10-14 Supply roll for a sealing strip

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EP (1) EP3058159B2 (en)
AT (1) AT514581B1 (en)
WO (1) WO2015054716A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT518547B1 (en) * 2016-11-17 2017-11-15 Horst Dipl Ing Resch Supply roll for a sealing tape
AT519552B1 (en) * 2017-04-12 2018-08-15 Compriband Dichtungen Ges M B H To a supply roll wound sealing tape

Citations (9)

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DE2410121A1 (en) 1974-03-02 1975-09-18 Irbit Holding Ag Winding method for strips of elastically compressable material - intermediate lining foil return tension produces compression pressure
EP1473419A2 (en) 2003-04-29 2004-11-03 ISO-Chemie GmbH Sealing strip
EP1936247A1 (en) 2006-12-18 2008-06-25 ISO-Chemie GmbH Sealing tape made of soft foam
EP2107176A1 (en) 2008-03-31 2009-10-07 ISO-Chemie GmbH Sealing tape made of soft foam
DE102009013107A1 (en) 2008-05-13 2009-11-19 Tremco Illbruck Produktion Gmbh Foam sealing tape
US20100170186A1 (en) 2005-12-27 2010-07-08 Mitek Holdings, Inc. Weatherproofing backer for window and door installation
EP2514901A1 (en) 2011-04-19 2012-10-24 Tremco illbruck Produktion GmbH Sealing strip
EP2620566A2 (en) 2012-01-27 2013-07-31 Tremco illbruck Produktion GmbH Sealing tape
DE202013104268U1 (en) 2013-09-18 2015-01-09 Tremco Illbruck Produktion Gmbh sealing tape

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DE1935857C3 (en) * 1969-07-15 1978-03-30 Odenwald-Chemie Gmbh, 6901 Schoenau Method for providing permanently elastic sealing tape in the form of a roll
DE3407995C2 (en) * 1984-03-03 1994-08-11 Irbit Research & Consulting Ag Foam sealing tape and its use
DE10104992A1 (en) * 2001-02-03 2002-08-08 Illbruck Gmbh Roof-insulating element for insulating the rafter region extends between parallel rafters

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Publication number Priority date Publication date Assignee Title
DE2410121A1 (en) 1974-03-02 1975-09-18 Irbit Holding Ag Winding method for strips of elastically compressable material - intermediate lining foil return tension produces compression pressure
EP1473419A2 (en) 2003-04-29 2004-11-03 ISO-Chemie GmbH Sealing strip
US20100170186A1 (en) 2005-12-27 2010-07-08 Mitek Holdings, Inc. Weatherproofing backer for window and door installation
EP1936247A1 (en) 2006-12-18 2008-06-25 ISO-Chemie GmbH Sealing tape made of soft foam
EP2107176A1 (en) 2008-03-31 2009-10-07 ISO-Chemie GmbH Sealing tape made of soft foam
DE102009013107A1 (en) 2008-05-13 2009-11-19 Tremco Illbruck Produktion Gmbh Foam sealing tape
EP2514901A1 (en) 2011-04-19 2012-10-24 Tremco illbruck Produktion GmbH Sealing strip
EP2620566A2 (en) 2012-01-27 2013-07-31 Tremco illbruck Produktion GmbH Sealing tape
DE202013104268U1 (en) 2013-09-18 2015-01-09 Tremco Illbruck Produktion Gmbh sealing tape
EP2851478A1 (en) 2013-09-18 2015-03-25 Tremco illbruck Produktion GmbH Sealing strip

Also Published As

Publication number Publication date
AT514581B1 (en) 2015-02-15
AT514581A4 (en) 2015-02-15
WO2015054716A1 (en) 2015-04-23
EP3058159A1 (en) 2016-08-24
EP3058159B2 (en) 2021-01-20

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