• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A supply roll for a sealing strip (1) made of an open-celled flexible foam (2) having on one side a self-adhesive layer (3) and on the opposite side a cover layer, with a winding core (5) on which the precompressed sealing strip ( 1) under a radial compressive load in several turns (6) is wound, which are releasably connected to each other by the self-adhesive layer (3). In order to ensure advantageous design conditions, it is proposed that the cover layer comprise, at least in the longitudinal direction of the sealing strip (1) extending, tensile strains (7), between which passage openings (8) for the flexible foam (2) are provided.
    公开号:AT518547A4
    申请号:T51046/2016
    申请日:2016-11-17
    公开日:2017-11-15
    发明作者:
    申请人:Horst Dipl Ing Resch；
    IPC主号:
    专利说明:

    The invention relates to a supply roll for a sealing tape made of an open-celled flexible foam having on one side a self-adhesive layer and on the opposite side a cover layer, with a winding core on which the precompressed sealing strip is wound under a radial compressive load in several turns, the are releasably connected together by the self-adhesive layer.
    Pre-compressed sealing tapes made of an open-cell flexible 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 flanks , For attachment to one of the two joint edges, the sealing tapes are provided on one side with a self-adhesive layer.
    These precompressed sealing tapes are offered in the form of supply rolls in which the sealing tape wrapped in a plurality of turns onto a winding core is held on the winding core by means of a sleeve under radial pressure as long as the collar is not detached from the supply roll for unwinding the sealing tape. In order to ensure that, after a partial withdrawal of the sealing strip from the supply roll, the sealing strip of the remaining roll remains under a radial compressive stress necessary for the compression, it is known (WO 2015/054716 A1)
    Seal tape on the opposite side of the self-adhesive layer to be provided with a cover layer of a tensile film to which the self-adhesive layer of each adjacent winding releasably adheres, so that the individual turns of the sealing strip can not move in the circumferential direction against each other, with the result that the still not removed from the supply roll residual supply of the sealing strip is held without additional wrapping of the remaining supply roll in the pre-compressed state. Prerequisite, however, is a film with a sufficient tensile strength, which can hardly be ensured with conventional plastic films. In addition, in particular films having a higher tensile strength have a significant resistance to deformation relative to localized shape changes across the strip surface, whereby a tight application of the sealing strip on the film facing the joint edge is endangered by the Vorkomprimierung bias of the porous open-cell foam, if this joint flank Has depressions and elevations.
    The invention is therefore an object of the invention to provide a supply roll for a pre-compressed sealing strip, which can be handled not only without jeopardizing its Vorkomprimierung within the remaining remaining supply roll from the supply roll, but also a close concern to the joint edge on the opposite side of the self-adhesive tape side ensures.
    Starting from a supply roll of the type described above, the invention achieves the stated object in that the cover layer extends at least in the longitudinal direction of the sealing strip extending, tensile strength strands between which passage openings are provided for the flexible foam.
    The use of a cover layer extending in the longitudinal direction of the sealing strip, arranged at a mutual distance, tensile strains brings about a film with the effect that the open cell foam can pass through the openings between these strands, so that the dense system of the sealing strip on an uneven Joint edge is determined not by the deformation resistance of the cover layer, but by the deformation resistance of the open-cell soft foam whose surface can follow even smaller local irregularities of a joint edge even at relatively low contact pressure. The required for the cohesion of the supply roll tensile strength of the cover layer, in particular in the longitudinal direction of the sealing strip is ensured by the running in the tape longitudinal direction, tensile strands of the cover layer. For the solution of the task, unconnected, parallel strands are sufficient as a cover layer. However, such strands are not easy to handle. It is therefore advisable to connect the tensile strands to a grid or a net. Through the mesh of this grid or network, the soft foam can create enough to bumps on the joint flanks.
    The cross connections between the running in the tape longitudinal direction, tensile strength strands such grids or nets need not exhibit any special tensile strength and serve essentially only for cohesion of tensile longitudinal strands.
    In contrast to a cover layer made of a film, the grid or mesh only covers the surface of the flexible foam projected onto the grid or net surface to a small extent, preferably at most half. This means that the soft foam can pass through the openings of the grid or mesh meshes in a sufficient for the tight application of a joint edge extent. Although, within the supply roll, the soft foam of the one turn through the grid or mesh is pressed against the self-adhesive layer of the adjacent turn, the self-adhesive layer surprisingly readily loosens the soft foam of the adjacent turn of the seal tape when unwinding the seal tape from the supply roll, because obviously the soft foam is retained by the grid opposite the self-adhesive layer. If a small proportion of the self-adhesive layer sticks in a surface layer of the flexible foam, this does not matter. On the contrary, this circumstance can support the permanent application of the flexible foam to the joint flank through the grid or net.
    The material used for the grids or nets may vary. Particularly good design conditions, however, arise when using grids or nets with strands of glass fibers, which bring advantages in terms of tensile strength and aging resistance. The shape of the grid or nets is not decisive if only sufficient tensile strength, in particular in the longitudinal direction of the sealing strip and a corresponding mesh width, is ensured. Thus, mesh or nets in the form of woven, knitted or laid can be used as cover layer. However, it is necessary to ensure that the cover layer forming grid or mesh can not move within the supply roll against the soft foam of the sealing strip, because otherwise the dimensional stability of the supply roll and thus the precompression of the sealing strip would no longer be guaranteed. For this purpose, the mesh or mesh of the cover layer may be bonded to the flexible foam of the sealing tape by providing the mesh or mesh with an adhesive layer. But it is also a shear-resistant connection between the grid or mesh and the flexible foam by an impregnating agent of the flexible foam possible if this impregnating agent shows sufficient adhesive effect, as is the case with impregnating agents based on acrylate and / or methacrylate. In this connection, it should be considered that, due to the elastic prestressing of the flexible foam resulting from precompression, a mechanical interlock between the meshes of the mesh or net and the flexible foam results, in particular in the direction of thrust.
    In the drawing, the subject invention is shown, for example. Show it
    Fig. 1 shows a supply roll according to the invention for a sealing strip in a partially torn, schematic side view and
    Fig. 2 shows the sealing strip fragmentary in a simplified plan view of the side with the cover layer of a grid.
    The partially unwound from the supply roll and elastically recovered in the region of the withdrawn length sealing strip 1 is made of an open cell foam 2, which is provided on one side of the sealing strip 1 with a self-adhesive layer 3 and on the opposite side a cover layer, for example, a grid 4th having. This sealing tape 1 is wound on a winding core 5 in a plurality of turns 6 under precompression, the self-adhesive layer 3 coming to rest on the inside and the grid 4 on the outside of the adjacent turns 6 of the supply roll.
    Within the supply roll thus the respective inner self-adhesive layer 3 of the outer two adjacent turns 6 is adhered to the outer grid 4 and the flexible foam 2 between the grid meshes of the inner of these turns 6 with the effect that no shift in the circumferential direction between these turns 6 is possible , Since the grid 4 at least in the longitudinal direction of the sealing strip 1 tensile strains 7, 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 unwound 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.
    Despite the adhesion of the self-adhesive layer 3 of the outer turns 6 to the whipped foam parts between the grid meshes of each adjacent inner turns 6, the sealing strip 1 can be unwound easily from the supply roll, because the flexible foam 2 is retained by the grid 4, so that the self-adhesive layer 3 of each outermost turn 6 dissolves in unwinding of the sealing strip 1 from the supply roll due to the effective Abziehkräfte easily from the adherent outer surface of the adjacent inner winding 6. After unwinding the sealing strip 1 from the supply roll, it can be introduced into a joint in a still partially compressed state and adhered by means of the self-adhesive layer 3 on the joint edge, before the flexible foam 2 on the opposite side through the passage openings 8 of the grid mesh close to the create opposite joint edge.
    权利要求:
    Claims (6)
    [1]
    claims
    1. supply roll for a sealing strip (1) of an open-celled flexible foam (2) having on one side a self-adhesive layer (3) and on the opposite side a cover layer, with a winding core (5) on which the precompressed sealing strip (1) is wound under a radial compressive load in several turns (6), which are detachably connected together by the self-adhesive layer (3), characterized in that the cover layer, at least in the longitudinal direction of the sealing strip (1) extending, tensile strains (7), between which Passage openings (8) are provided for the flexible foam (2).
    [2]
    2. Supply roll according to claim 1, characterized in that the tension-resistant strands (7) are connected to a grid (4) or a network.
    [3]
    3. supply roll according to claim 2, characterized in that the grid (4) or network of the cover layer covering the grid or net surface projected surface of the flexible foam (2) of the sealing strip (1) at most half.
    [4]
    4. Supply roll according to one of claims 1 to 3, characterized in that the tension-resistant strands (7) of the cover layer are made of glass fibers.
    [5]
    5. Supply roll according to one of claims 2 to 4, characterized in that the grid (4) or network of the cover layer with the flexible foam (2) of the sealing strip (1) is glued.
    [6]
    6. Supply roll according to one of claims 1 to 5, characterized in that the flexible foam (2) of the sealing strip (1) is impregnated with an impregnating agent based on acrylate and / or methacrylate polymers.
    类似技术:
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    同族专利:
    公开号 | 公开日
    EP3323969B1|2019-04-24|
    EP3323969A1|2018-05-23|
    AT518547B1|2017-11-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    EP0399952A1|1989-05-25|1990-11-28|HUBER & SUHNER AG KABEL-, KAUTSCHUK-, KUNSTSTOFF-WERKE|Strip for making a construction watertight|
    EP1213430A2|2000-12-06|2002-06-12|Illbruck GmbH|Strip-like connecting element|
    EP1959064A1|2007-02-14|2008-08-20|ISO-Chemie GmbH|Resettable sealing tape|
    DE202005019080U1|2005-12-06|2006-04-20|Röttger, Wilhelm|Joints sealing band for between window frame and brickwork e.g. wall, has carrier layer, which is reinforced on side with elongated grid, perforated plate or fabric and coated with adhesive layer e.g. butyl rubber|
    EP2192068B1|2008-11-27|2012-06-06|Peter Kassmannhuber|Device for handling a pre-compressed compression band|
    DE102008063371A1|2008-12-30|2009-12-31|Henkel Ag & Co. Kgaa|Longitudinal molded part for sealing through holes in construction area, particularly for sealing between frames of lockable opening in wall of building, comprises two opposite longitudinally extending side walls, and lower side|
    AT514581B1|2013-10-14|2015-02-15|Resch Horst Dipl Ing|Supply roll for a sealing tape|EP3851624A1|2020-01-20|2021-07-21|ISO-Chemie GmbH|Sealing tape roll|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA51046/2016A|AT518547B1|2016-11-17|2016-11-17|Supply roll for a sealing tape|ATA51046/2016A| AT518547B1|2016-11-17|2016-11-17|Supply roll for a sealing tape|
    EP17197030.4A| EP3323969B1|2016-11-17|2017-10-18|Storage reel with sealing band|
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