EP2743416A2 - Ruban d'étanchéité doté de bandes fonctionnelles - Google Patents

Ruban d'étanchéité doté de bandes fonctionnelles Download PDF

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Publication number
EP2743416A2
EP2743416A2 EP13196676.4A EP13196676A EP2743416A2 EP 2743416 A2 EP2743416 A2 EP 2743416A2 EP 13196676 A EP13196676 A EP 13196676A EP 2743416 A2 EP2743416 A2 EP 2743416A2
Authority
EP
European Patent Office
Prior art keywords
layer
sealing strip
foam
sealing
functional
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.)
Granted
Application number
EP13196676.4A
Other languages
German (de)
English (en)
Other versions
EP2743416B1 (fr
EP2743416A3 (fr
Inventor
Andreas Malzahn
Michael Pronold
Markus Komma
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 Illbruck GmbH
Original Assignee
Tremco Illbruck Produktion GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tremco Illbruck Produktion GmbH filed Critical Tremco Illbruck Produktion GmbH
Publication of EP2743416A2 publication Critical patent/EP2743416A2/fr
Publication of EP2743416A3 publication Critical patent/EP2743416A3/fr
Application granted granted Critical
Publication of EP2743416B1 publication Critical patent/EP2743416B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/948—Fire-proof sealings or joints
    • 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
    • E04B2001/6818—Joints with swellable parts
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
    • E06B3/62—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats
    • E06B2003/6297—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats for glazing panels of special shape, e.g. with undulating or U-shaped cross-section

Definitions

  • the invention relates to a joint sealing strip for sealing a building joint according to the preamble of claim 1.
  • a sealing tape is for example from the DE 20 2010 008 322 U1 known.
  • the sealing strip has a wave profile with two height regions arranged on one broad side and a low region arranged therebetween, wherein an insert part is arranged at the low region, which comprises a material which swells with respect to heat or moisture, for example an intumescent material such as expandable graphite or a water-swelling material such as bentonite.
  • the functional material layer is designed here as a round cord, which is held in position by the two height regions of the sealing band.
  • Generic joint sealing strips with a body made of a resilient soft foam material are usually compressed in height used in the joint, for example between two wall components. Upon recovery of the flexible foam material, the joint is filled and sealed against drafts and driving rain.
  • the functional position changes when mounting the sealing strip their position which is the functionality of the joint sealing strip with respect to a seal against environmental influences such as heat or moisture (water) in generic sealing tapes can affect.
  • the functional material layer can change its position due to the increase in volume.
  • the volume of an intumescent material may increase by a factor ⁇ 10 of ⁇ 30 when exposed to heat, so that considerable forces act on the functional material layer already at the beginning of the increase in volume.
  • the invention has for its object to provide a sealing tape which meets the above requirements reinforced and is easy and inexpensive to produce.
  • the object is achieved by a joint sealing tape according to claim 1, wherein the fixing means for fixing the position of the functional material layer (hereinafter also "functional position").
  • the fixing means is provided as a component which is additional to the sealing band body, at least one or preferably both of the components being preferably provided at the same time as fastening means for the sealing band on one of the two components forming the joint.
  • the two components are in particular wall components and / or ceiling components.
  • the two components can also be other components that fulfill F60 or F90 conditions in particular, or composite panels, in particular mineral solid components such as concrete or stone slabs or bricks.
  • the construction according to the invention of the joint sealing strip thus simultaneously fixes the functional material layer to the respective component by means of the fixing means, preferably also when environmental influences begin to act n of heat or water, in which there is already a significant increase in volume of the functional position.
  • the reliability of the blocking effect of the functional position is thus significantly improved and the sealing tape is easy to produce.
  • the functional material layer is arranged on one of the broad sides of the sealing strip, wherein the fixing means extends at least partially over the broad side of the functional layer and is fixed relative thereto, and particularly preferably also the fixing means is fixed relative to or on the carcass broadside.
  • the fixing means can be fixed in position in this case zugkraftaufianad on the body. On the one hand this results in a secure position fixation of the functional position of the sealing band body, on the other hand, the sealing tape is simple and inexpensive to produce, for example by depositing the individual layers of body material, functional position and fixative each other and fixing them together.
  • the fixing means overlaps or covers (preferably completely) the functional layer on the side opposite the foam body.
  • a plurality of functional layers can be determined by means of the fixing means side by side.
  • the functional layers are then already securely fixed to the corresponding sealing band body (which constitutes a part of the preform).
  • the preform can be divided into a plurality of sealing tapes, for example, be cut up, for example by dividing a cylindrical, roller-shaped preform into a plurality of sealing tape discs with rolled-up sealing tape. Possibly.
  • the assembly can also be done after the division of the preform.
  • the fixing means may be fixed to the functional layer and / or on the body.
  • the fixation can in each case be positive and / or positive fit and / or material fit, in particular cohesively.
  • the fixing means is fixed to the functional material layer and / or to the body by a suitable adhesive, for example by a self-adhesive layer, which may be general.
  • a sealing tape is also easy and inexpensive to produce.
  • the sealing tape can be fixed to the fixing means on which the functional material layer is already fastened or fixed.
  • the fixing means can be fixed to the sealing strip, preferably fixed in position so as to absorb tensile force, the functional material layer is already fixed to the sealing band body or to the fixing means.
  • the fixing agent thus serves at the same time as an assembly aid in the production of sealing tape.
  • the fixing means and the fastening means formed as part of the same are thus preferably handled as a unitary element, for example when mounting the fixing means on the functional layer and / or on the body.
  • the fixing agent is preferably constructed as a multilayer composite material.
  • the composite material particularly preferably comprises a layer of a foam material, for example of the foam material of the sealing band body or of a different foam material.
  • the material properties of the further foam layer may differ from the foam material of the sealing strip body, in particular with regard to the stiffness or compressibility, and / or the air permeability and / or the impregnation.
  • the impregnation may differ from that of the foam material of the body, in particular with respect to a delayed-setting impregnation.
  • the stiffness of the further foam layer may be greater or smaller than that of the sealing band body.
  • the foam material of the further foam layer may have a greater or lesser air permeability determined with a Frank tester 21443 according to DIN EN ISO 9237, as the material of the sealing band body. This makes it possible to adapt the further foam layer to the sealing conditions of the joint, regardless of the properties of the functional layer, which is particularly adapted to the requirements for sealing or blocking against external environmental influences, but possibly also independent of the properties of the foam body. If the further foam layer has a lower rigidity (in particular bending stiffness) than the foam body of the sealing strip, so this can better adapt to bumps, for example, a masonry reveal, with a higher hardness, this can serve as a fastener of the sealing tape, for example, on a frame member.
  • the functional position (position of under heat or water swelling functional material) on the side opposite the body by a further foam layer at least partially or completely covered.
  • the further foam layer may extend over a part of the width or the entire width of the sealing strip.
  • the sealing strip bears against the component to be sealed with a foam area which may have a significantly higher rigidity (flexural rigidity) than the foam body material, eg greater than or equal to the factor 2-5 or greater / equal to 10-20 (bending stiffness, for example, measured as vertical deflection of a 10 cm free supernatant of a clamped sealing strip away from the clamping point with the same cross section thereof (square cross section of 1 cm 2 or possibly other cross section corresponding flexural rigidity), or in the case of a protrusion of 15 cm, the sealing to the sealing strip contact surface is thus not provided by the functional position in these areas, so that it can be optimized independently of a sealing function with regard to its function determination e consist of one under the conditions of use (for example, in compression of the sealing tape to 30% of its initial volume in the fully free relaxed state) non-compressible material (which is generally within the scope of the invention), which would thus not or only to a
  • the additional foam layer can also serve as a fixative for the functional position of the sealing tape or the foam body and is equipped such that the functional position is securely fixed in position during the manufacture of the sealing tape to the body, in particular when dividing a preform having a plurality of sealing strip widths, and the further foam layer in the manufacturing process serves as a cover layer for the functional layer and provides a substantially uniform surface.
  • the further foam layer can be integrally formed on the sealing band body.
  • the whre foam layer is formed as a separate part relative to the foam body, which is thus independent of this manageable in the production of sealing tape.
  • the further foam layer has a fixing means, by means of which the functional position is fixed in position relative to or on the sealing band body.
  • This fixing means may extend over part of the width of the further foam layer or over its entire width.
  • the fixing means on a longitudinally and preferably also in the transverse direction continuous intermediate layer in the form of a fabric or carrier layer such as a film to which the (self) adhesive may be attached.
  • the intermediate layer can be designed to absorb tensile force, in particular when the functional position begins to increase in volume under environmental influences.
  • the fixing means is preferably designed such that this causes at least a significant fixation effect at the beginning of increasing the volume of the functional layer.
  • the inventive design of the sealing tape has also proven otherwise advantageous because it is advantageous in terms of manufacturing technology and fixed in position the functional position.
  • the further foam layer and / or the fixing means over the length of the sealing strip on a constant cross-section preferably, the foam body over the length of the sealing strip has a constant cross-section, which in each case can generally apply within the scope of the invention.
  • the fixing means are each preferably fixed to the broad side of the sealing band body, particularly preferably only at this.
  • the narrow sides are here in the installation position the interior of the room or the room exterior facing sealing band sides.
  • the fixing agent may be formed in particular as an adhesive layer, in particular as a double-sided self-adhesive layer or double-sided self-adhesive tape, wherein the 2nd adhesive layer may represent the sealing tape fastening means on the component to be sealed, that is arranged on the outside of the sealing tape. Possibly. the second adhesive layer can also serve to attach a foam layer or the like. This can generally apply in the context of the invention.
  • the further foam layer may have an optionally additional fixing means, by means of which the functional position relative to the or on the sealing band body is fixed in position.
  • the fixing means may extend over a portion or the entire width of the functional layer.
  • the fixing agent may be an adhesive layer, in particular self-adhesive layer or double-sided self-adhesive layer.
  • the further foam layer which may apply to all embodiments within the scope of the invention, at least partially or completely of a flexible foam.
  • the flexible foam is preferably both manually and under the installation conditions of the sealing strip, for example when it is compressed to 15% of its initial height (initial volume) at complete free relaxed state compressible.
  • the flexible foam is particularly preferably formed resilient.
  • the flexible foam can be made of the same material as the sealing band body, or of another soft foam material.
  • the material of the further foam layer may have a greater or lesser flexural rigidity than the material of the foam body, under test conditions stated above.
  • the material of the further foam layer may independently of this or in combination herewith have a greater or lesser compression modulus or compressive strength, for example under pressure loading of the respective layer with a weight of 100 g per cm 2.
  • the further foam layer may at least partially or completely consist of a rigid foam material which is not compressible manually or under installation conditions of the sealing strip in the joint (ie at a compression of the sealing tape to 30% of its initial height (initial volume) with completely free relaxed sealing strip) is or will be.
  • the further foam layer may in this case have fastening means for fixing the sealing strip to one of the two components forming the joint, for example grooves, projections or other positive and / or non-positive fastening means. These fastening means may be adapted to fix the sealing tape to the frame member to which corresponding fastening means are provided. This may be the case in particular in the case of a water-swelling functional layer.
  • the rigid foam material is preferably closed-pore, that is not permeable to water. With fire protection tapes, such a hard foam layer may generally be missing.
  • the sealing strip is thus preferably formed such that the further foam layer, the functional position on the
  • Foam body fixed in position optionally in addition to a further fixing means for fixing the position of the functional position on the body.
  • the otherwise given fastening means can in particular fix the functional layer directly to the foam body, for example in the form of a self-adhesive layer.
  • the further foam layer can be spaced at completely free relaxed sealing band in the region of one or both narrow sides in height from the body to form a gap or gap, which may have the height of the functional position.
  • the sealing strip can in this case be designed such that when compression of the same to 30% of its height at completely free relaxed state between plane-parallel planes, which can generally be considered in the context of the invention as a reference for a sealing arrangement of the sealing strip in a joint, the gap or Gap is closed.
  • the further foam layer may in this case be fastened, for example, to the functional layer, wherein laterally, ie toward the narrow sides, regions of the further foam layer projecting beyond the functional layer are not fastened to the sealing band body when the sealing strip is completely free-relaxed.
  • the functional position is buffered against the contact surface of the respective component or against the joint wall by a flexible material. Due to the fact that one or both of the regions of the further foam layer laterally projecting beyond the functional layer are not fixed to the body, the sealing strip can be produced easily. On the other hand, in the installation position of the sealing strip, the functional position is completely surrounded by foam material, in particular soft foam material, so that a good adaptation of the sealing strip to any unevenness of the joint wall is made possible.
  • the further foam layer is preferably fastened to the functional layer by means of a fixing means, for example a double-sided self-adhesive tape, this fixing means defining or fixing the further foam layer or covering layer on the foam body with a partial region.
  • the fixing means may extend laterally beyond the functional position.
  • the functional position may extend over the entire width of the functional position and at least one or preferably on both sides of the fixing means, preferably over the entire sealing tape width, in particular precisely over this.
  • this may also apply correspondingly to the further foam layer, in particular the further foam layer may extend over the same width as the fixing means.
  • the functional position can be completely covered by the further foam layer, and the further foam layer can be fastened to the body over a large width of the sealing strip, which results in a high stability of the sealing strip, in particular under the influence of external environmental influences.
  • the sealing strip manufacturing technology easily produced, especially when several adjacent areas of a web in the longitudinal direction below
  • the fixing means completely covers the functional layer on the upper side (if necessary only partially).
  • the fixing agent is thus preferably different from the foam material of the body or an additional foam material.
  • the sealing tape on the side of the further foam layer preferably attached to this, a fastening means for fastening the sealing strip to another component.
  • the further foam layer generally has a lower height than the foam body, for example, less than 1/2 or 1/3 or 1/4 thereof. Due to the arrangement of the fastening means on the further foam layer this is thus arranged comparatively close to the functional position, compared with an arrangement of the fastening means on the opposite carcass broadside, so that at the same time the functional position relative to the respective component is positioned comparatively accurately by this fastening means, even at incipient increase in volume of the same.
  • the thickness of the further foam layer may be at least 1/20 to 1/30 of the sealing tape body height, preferably at least 1/10 to 1/6 or possibly at least 1/5 to 1/3 or more.
  • the further foam layer can also have at least approximately the height of the foam body, for example ⁇ 50-65% or ⁇ 75-85 its height or even about 100% of its height, so that the functional position in built-in joint sealing tape is arranged substantially in the middle region of the joint, based on their width, so that there is an improved fire protection.
  • the height of the further foam layer may also be higher than that of the foam body, for example up to 125-150% or up to 200% of its height or more, the fixing means fixing the functional layer to the body.
  • the fixing agent has on both sides an adhesive layer or is designed as a double-sided self-adhesive tape, wherein the adhesive layer can serve one side of the fixation of the functional layer to the foam body.
  • the other side of the adhesive layer can be used for example for fixing the sealing strip to one of the components to be sealed or the attachment of another area of the sealing strip to this as, for example, another foam layer or a cover layer for the functional layer of this.
  • the fixing means is therefore preferably arranged on the top side of the sealing strip.
  • the sealing tape facing away from the side of the adhesive tape may be provided with a peelable cover layer.
  • the material of the functional layer covering further foam layer of the same material as the foam body.
  • the additional foam layer is formed separately, ie as an additional component, to the foam body, which is connected to the body and can be handled with this uniform.
  • the sealing tape in many ways, since the further foam layer and the body can be positioned relative to one another in different spatial arrangements, on the other hand, a functionally uniform sealing strip is created, so that, for example, both sealing strip broad sides can seal off from the joint walls in the same way.
  • the soft foam layer covering the functional layer may also be integrated with it be connected to the foam body.
  • the body may be slotted and the functional layer may be disposed in the body.
  • the functional layer covering the foam layer consists of a material which is different from the material of the foam body.
  • the further foam layer of a material of greater hardness than that of the body, z. B. consist of a rigid foam material.
  • the further foam layer can thus be used, for example, as a fastening means on a component, such as e.g. Serving frame profile and adapted, for example, in their shape design thereto, e.g. Form and / or adhesion means for attachment to the other component such as a frame profile.
  • the functional layer may alternatively be arranged in an incision in the foam body material.
  • the incision may open on a narrow side or a broad side of the body, the incision may be linear or branched in the sealing strip cross-section, which can be generated, for example, by an contour cutting method.
  • the functional position can thus be surrounded by a one-piece body on at least three sides or fully, so that it is well-secured even at the beginning of acting environmental influences.
  • the incision is preferably formed such that, when the functional position and the relaxed body are removed, the incision is at least partially closed, for example at its mouth, or completely closed.
  • the functional layer may additionally be fastened to the sealing strip by a fixing means such as an adhesive layer or double-sided self-adhesive tape, which is preferably arranged on a broad side of the functional layer.
  • the fixing means can on the opposite side of the incision mating function be arranged, in particular at dichtbandbreit.00 incision mouth.
  • the incision may be held together by a clamping means, preferably closing the incision.
  • the clamping means may be cohesively formed as by an adhesive or double-sided self-adhesive layer.
  • the clamping means may also be designed as a fastening means for fastening the sealing strip to a component at the same time, in particular in the case of a wide-sided arrangement on the sealing strip.
  • the clamping means can also extend completely over the respective narrow side in the installation position of the sealing strip (or optionally also in the completely free-relaxed state of the sealing strip), or be embodied as a film or coating which can also have an additional function. in particular with regard to a contribution or provision of the WDD resistance, air permeability or watertightness of the sealing tape in the installed position.
  • the foam body has a flat broad side, on which the functional material layer is arranged.
  • the functional layer can be arranged centrally on the sealing strip in relation to its width, that is to say symmetrically to the center plane of the sealing strip, which can be arranged perpendicular to at least one sealing strip broadside. Due to the central arrangement of the functional position, the sealing tape is equally usable with respect to environmental influences from both side surfaces.
  • the functional position may also be arranged asymmetrically on the sealing strip in relation to its arrangement relative to the sealing strip narrow sides.
  • the functional layer is spaced from one or preferably both narrow sides of the sealing strip is what may be the case even with a central or non-central arrangement.
  • the functional layer may be arranged so that it is spaced from one or preferably both narrow sides of the sealing band body, for example by ⁇ 5-10% or ⁇ 15-25% or ⁇ 33% of the sealing bandwidth of each of the two narrow sides thereof.
  • the width of the functional layer may correspond to 5-95% or 10-80% or preferably 25-75% or 33-50% of the sealing tape width, optionally also 5-50% or 10-33% or about 25% of the same.
  • the functional layer is preferably at least partially or completely covered or overhanged by a region of the body or the further foam layer, so that the functional layer is not exposed to the narrow side, at least in the installation position of the sealing tape in (fictitious) compression 30% of its height.
  • This can be achieved, for example, by a sufficient lateral projection of the sealing band body over the functional position for a given rigidity of the body material. In installation position and compression of the sealing tape, the functional position thus does not appear laterally in appearance.
  • the functional position is protected, on the other hand, further functions of the sealing strip can be determined on the side surface by the foam material or its equipment, such as in terms of water vapor transmission resistance, driving rain, etc., with respect to these functions, for example, each independently by impregnation or coating of the foam material or by an appropriate selection of the foam material, for example with regard to its pore structure, density or the like.
  • the foam body With completely free relaxed sealing tape, the foam body can overlap the functional position on one or both sides in height only partially or particularly preferably one or both sides do not overlap in height.
  • the functional position facing boundary surface of the foam body, in particular its broad side may be at least substantially flat (regardless of any deformation of the body due to the arrangement of the fixing and / or fastening means). As a result, a structurally simple embodiment of the foam body is made possible at the same time.
  • the functional layer preferably has a height of ⁇ 35% or ⁇ 33% or ⁇ 20-25% of the height of the sealing strip in a completely free, relaxed state. This allows compression of the sealing tape, for example, to 30-40% of its initial height between plane-parallel planes, the functional layer is covered at its the sealing strip narrow sides facing surfaces of foam material of the compressed and laterally around the functional layer deformed foam material. The functional position is thereby protected and the properties of the sealing strip on the side surfaces can be determined by the foam material or its equipment.
  • the functional layer has a height of ⁇ 10-15% of the height of the completely free relaxed sealing tape, optionally ⁇ 3-5% of the same.
  • the height of the functional position with respect to that of the fully relaxed sealing tape can be ⁇ 1-2% or ⁇ 3-5% or ⁇ 8-10%, so that on the one hand the functional position is sufficiently strong to secure the joint against environmental influences such as heat or Moisture is sealed by appropriate swelling, on the other hand, however, is dimensioned comparatively thin.
  • the functional position may generally consist of an at least substantially incompressible material, which is not compressible, for example, manually or under installation situation of the sealing tape in the joint, for example, in compression of the sealing tape to 30% or 15-20% of its height or up to the Height of the functional position, or there is only a compression of the functional position by a maximum of 5-10% of its initial height with completely free relaxed sealing tape.
  • the functional position at a pressure of 1 kg / 10 cm 2 is not compressible or only by ⁇ 5-10% of the initial height of the functional position.
  • the functional layer preferably has no foam structure.
  • the functional layer can have a high content of heat- or water-swelling material, such as intumescent material or bentonite or other phyllosilicates, aluminates or optionally suitable polymers, and thereby fulfill a high fire protection class, such as F90.
  • the functional material can be arranged in a substantially non-compressing matrix, in particular a plastic matrix, or held together by a binder, in particular an organic binder such as a polymer dispersion.
  • the content of the functional layer on material swelling under heat or water can be ⁇ 5-10% by weight or preferably ⁇ 15-20% by weight, if appropriate also ⁇ 30-40% by weight or ⁇ 50-65% by weight.
  • the (plastic) matrix material can be inert under the environmental influences which already cause a volume increase of the functional material that inhibits the passage of heat or water.
  • the matrix or bonding material may be a thermoplastic material or at least thermally softening plastic material, so that the functional material with mechanical mixing-that is, not only only impregnation or impregnation-high content in the matrix is einarbeitbar or by Binders, in particular binding particles, is held together.
  • the matrix or binder material may be a plastically deformable plastic material or plastic resin at room temperature.
  • the matrix or binder material may be used as a preferably aqueous dispersion.
  • the material of the functional layer and / or the foam material of the body and / or further foam layer may contain other fire protection components such as flame retardants, for example. Phosphates, borates, etc., inorganic fillers such as clays and so on.
  • the content of the plastic matrix material on the material of the functional layer may be 15-80% by weight or 20-70% by weight or preferably 30-60% by weight.
  • the functional layer may consist of a material of lower porosity than that of the body material or of an at least substantially non-porous material.
  • the pore volume of the functional layer may be ⁇ 40-60% or ⁇ 20-30%, preferably ⁇ 10-15% or ⁇ 3-5%. This allows a high proportion of functional material in the functional position.
  • the pore volume can be determined, for example, planimetrically by making sections of the functional layer, and determining the area fraction of the pores on the section by determining the area fraction of the pores on the cross-sectional area by human microscopic observation of the section at 100x magnification.
  • the determination surface is 10 times larger in each direction of the plane than the extension of the largest pore in this direction. From the square root of the determined area proportion to the cubic, the volume fraction of the pores results.
  • the functional position can be deformable, in particular be rolled up.
  • the functional position may generally be formed as a flat strip, which with its main plane at least to one of the two broad sides of the sealing strip extends parallel.
  • the functional layer can essentially have a rectangular cross-section. The functional position is thereby fixed in a simple manner on the foam body, for example by an adhesive layer, in particular one or two-sided self-adhesive layer.
  • the functional layer on its underside by a fastening means, preferably an adhesive layer, in particular self-adhesive tape, connected to the sealing band body.
  • a fastening means preferably an adhesive layer, in particular self-adhesive tape
  • the functional layer (including, if appropriate, matrix material) consists of a material which increases greatly in volume under ambient conditions such as heat or water, which volume preferably expands by a factor ⁇ 2-3 or ⁇ 5-10, for example also by the factor ⁇ 15-20 or ⁇ 25-35.
  • Such materials may be, for example, intumescent materials such as expandable graphite or water-swelling materials such as sheet silicates.
  • the extent under the environmental conditions may be up to a factor of 50-75 or up to a factor of 100 or more.
  • a first of the two broad sides has a fastening means for fastening the sealing strip to the frame component, on the broadside opposite the functional means.
  • the sealing band When compressed to 30% of its initial height, the sealing band particularly satisfies the fire resistance class F60 or preferably F90 according to DIN 4102 or DIN EN 13501 in the case of a fully relaxed state.
  • the arrangement according to the invention of the separate functional layer on the sealing strip can achieve this while at the same time good joint sealing against draft, etc.
  • the foam material of the sealing strip may have an air permeability in the range of 10-1000 l / m 2 s or 25-1000 l / m 2 s or even 40-800 l / m 2 / s, or also in the range 50-600 l / m 2 s or 100-600 l / m 2 s.
  • the specified air permeability refers to the standard conditions of a 10 mm thick piece of foam (fully relaxed) at a measured negative pressure of 0.5 mbar, test area 100cm2; Frank device 21443; DIN EN ISO 9237 (these measurement conditions are generally within the scope of the invention).
  • the air permeability of said foam material is ⁇ 125-150 l / m 2 s or preferably ⁇ 75-100 l / m 2 s, optionally also ⁇ 40-50 l / m 2 s, preferably generally ⁇ 10-20 l / m 2 s or ⁇ 25-35 l / m 2 s. Due to the air permeability of the body foam material thus given, a certain (limited) open porosity of the body foam material is given, so that the foam body material is impregnated, for example, for delayed recovery. On the other hand, this also has an influence on the penetration of the environmental influences such as heat or in particular condensed water to the functional position, wherein the measures according to the invention have proven to be particularly effective in order to seal against the environmental influences.
  • the foam material of the sealing band body may, preferably homogeneously, be impregnated for delayed recovery. If a further foam layer is provided, it may alternatively or in combination with the body restoring impregnation be impregnated for delayed recovery. However, the further foam layer can not be reset-impregnated in a delayed manner, in particular in combination with a body impregnated in this way. Optionally, the body is not delayed reset impregnated, for example. In embodiments with a relatively flat body, which, for example, only a height of less than / equal 6-10 times or less / equal to the 4-5 height of the functional position has. Such sealing tapes can be preassembled in particular on one of the components to be sealed, for example.
  • the component may be a wall or ceiling component, for example, as a mineral component or as a composite plate, which may optionally also have a plastic core or foam core.
  • the sealing tape with functional position is formed rollable or assembled as a roll with compressed foam body.
  • the roller is preferably designed such that the broad sides of the sealing strip of adjacent windings lie flat, preferably in the region of both narrow sides, or over the entire surface.
  • the roller is preferably designed such that one or both side surface thereof, which are formed by the narrow sides of the sealing strip, are made flat.
  • the roller side surface is perpendicular to the roller axis (winding axis).
  • the sealing tape roll can thus be made up of disk-shaped with flat side surfaces and a width corresponding to the bandwidth. This can be done by winding the sealing tape with sufficient compression and allows space-saving storage. Possibly.
  • the sealing tape can also be made up as a cross-wound wrap.
  • the invention relates to a method for producing a sealing strip according to the invention, in particular a sealing strip according to the independent claims and their developments described in the context of the invention.
  • the functional material layer is fixed to the fixing means in a first step, wherein then the fixing means with functional position is attached to the sealing band body directly or with an intermediate layer and the resulting composite then in a Compressing device such as. Compressor is compressed under compression of the foam body and the compressed sealing strip is subsequently assembled for this purpose.
  • the fixing agent may in particular be designed as an adhesive layer, for example in the form of an adhesive or self-adhesive tape.
  • Particularly advantageous in this case has the width of the fixative, such as.
  • a self-adhesive layer including double-sided self-adhesive layer
  • the width of the sealing band body is a separate attachment of the functional position on the body unnecessary or such is not provided, for example.
  • a preform of the sealing strip with a multiple width of the same preferably the width of the web of the fixing means is provided, further wherein the fixing means is fixed flat to the width of the preform, and then wherein the preform is fixed with fixing in a plurality of sealing tapes with fixed thereto fixing means, preferably by longitudinally division.
  • the "multiplicity of latitudes" is in each case preferably the same multiple, preferably integer multiples.
  • the strip-shaped functional material layers preferably have a smaller width than the sealing band body. The functional material layers are therefore arranged at a distance from one another on the fixing means of the multiple sealing tape width.
  • the uniform spacing and thus exact arrangement on the body can be controlled easily and reliably, regardless of the sealing strip and even before compression of the sealing band body and before its assembly.
  • Particularly advantageous is generally according to the method that in the positional arrangement of the functional position of the fixing means this can be acted upon with compressive force against the fixing or is to give a secure and strong connection, regardless of the compressible foam body, where slightly undesirable changes in position of Corpus and functional position can occur to each other.
  • the width of the functional layer is preferably smaller than the body width.
  • the functional position of at least one or both narrow sides of the body can be fastened spaced apart on a broad side of the carcass.
  • FIG. 1 shows a sealing tape 1 according to the invention, for example, applicable for sealing a building joint between two components such as mineral solid components 100, 101.
  • the sealing tape 1 has a body 2 made of a resilient soft foam material, which may be impregnated for delayed recovery, in particular by means of an acrylate.
  • the soft foam material is easily pressed in here manually and is almost completely reduced in pressure relief, optionally reversible except for a small set of deformation.
  • the sealing strip has two opposite broad sides 3a, 3b for engagement with the two component side formed joint flanks 110, 111, and two transverse to the broad sides 3a, 3b extending, these connecting narrow sides 4a, 4b.
  • One of the narrow sides is in the installation position facing the weather (4a) or arranged on the outside, the other narrow side (4b) is arranged away from the weather in the joint.
  • the sealing tape 1 has a layer 5 of a material which at least temporarily prevents or impedes the joint against the passage of environmental influences such as heat or the action of water and secures the interior defined by the joint against the environmental influences.
  • the material layer 5 has a functional material which greatly increases its volume under the influence of environmental influences, which can be an intumescent material such as expanded graphite when exposed to heat, a strongly swelling material such as layered silicates or aluminates such as bentonite, for example.
  • the volume increase can be up to a factor greater than 10, e.g. 20-50 or higher.
  • a fixing means 7 which fixes the functional position on the body or fixed (mainly) in its desired position.
  • the fixing means 7 may for example be formed as a double-sided self-adhesive layer or tape, which (s) on its free upper side has a peelable if necessary cover layer 8 to expose the self-adhesive layer.
  • the adhesive free upper side 7o of the fixing means thus acts as a fastening means in order to fix the sealing strip on one of the two components, for example, the component 100 in the installed position ( Fig. 6 ).
  • the fixing function may be on one side, for example facing the component or facing the foam body designed as a force or positive locking means, which may generally apply within the scope of the invention.
  • the functional layer 5 is arranged according to the embodiment at the top of the sealing strip 1, so it is not covered here by the rest of the fixing agent from a further foam layer.
  • the fixing means 7 extends here completely (possibly only partially) over the upper side of the functional layer 5 and is fixed relative to the upper side or upper broad side 3b of the body.
  • the fixing means 7 is in this case fixed in position on the associated body broadside 3b, corresponding to the body top, traction-absorbing.
  • the band structure ensures that the functional layer 5 at the onset of exposure to environmental influences such as heat or water volume increase of the functional position this maintains its desired position in the joint and thus can cause a reliable seal.
  • this provides a structurally simple embodiment, since the sealing strip is easy to produce and the fixing means in the manufacture of the sealing strip can simultaneously serve to fix the functional position of the body.
  • the functional layer 5 is further fixed here by means of an additional fixing means 9 on the foam body 2, which is arranged between the functional layer 5 and the foam body 2.
  • the further fixing means 9 extends partially or possibly completely over the width of the functional layer 5.
  • the fixing means 9 does not protrude laterally beyond the functional layer 2, which however may be the case.
  • the functional layer 5 is arranged centrally on the body 2, ie centered at the level of the median plane 2b of the body 2, more precisely symmetrically on the body 2.
  • the functional layer 5 is laterally spaced from both narrow sides 4a, 4b, for example by .gtoreq.10-20% or here approximately 25% of the sealing belt width, so that in the installed situation (FIG. FIG. 6 ) arranged on both sides of the functional layer 5 body regions 2d, 2e the functional layer 5 laterally surrounded and preferably sealingly abut the joint wall or sealing surface 110 of the respective component 100.
  • the joint 105 is sealed by the body material and this is also at the level of the functional layer 5 or over the entire narrow side of the joint seal.
  • the joint is thus by a functionally arranged on the body 2 functional layer 10 a as a coating, impregnation or a film or film additionally sealed or adjusted specifically the properties of the sealing tape as its water vapor diffusion resistance.
  • the functional layer 10a, 10b depending on functionality on the weather-facing or weather-facing side of the sealing strip may be arranged, for example, to increase the driving rain, UV resistance or the like space outside and to increase the water vapor diffusion resistance room interior , or in combination with each other, which may apply regardless of the embodiment in general.
  • a further fastening means 11 is optionally provided on the functional layer 5 facing away from broad side 3a of the sealing strip, for example in the form of a self-adhesive layer such as a double-sided adhesive tape, optionally as a form or adhesion means, by means of which the sealing strip 1 on one of the two components 100, 101st is fastened.
  • the self-adhesive layer may be covered by a peelable cover layer 12.
  • the fastening means 11 can be laterally spaced from both narrow sides 4a, 4b or extend over the entire broad side as in the example, which can generally be considered within the scope of the invention.
  • the fastening means 11 on the sealing band lower side or broad side 3 a can be arranged on the sealing band opposite to the fixing means 7 and / or the fixing means 9 of the sealing band upper side.
  • the functional layer 5 is in this case arranged in the direction of the sealing band height in a cross section between fixing means 7 and / or fixing means 9 on the one hand and fastening means 11 on the other hand, which may be general.
  • the attachment or fixing regions of fixing means 7 and fastening means 11 may also be laterally offset from each other on the respective component, for example, overlapping or laterally spaced from each other.
  • different regions of the functional layer or of the body can be fixed in position on the respectively corresponding component.
  • Fixing means 7 and fastening means 11 both extend over the entire area over the respective broad side.
  • the foam material of the body 2 is in each case preferably impregnated for delayed recovery, in particular by means of an acrylate resin.
  • the foam material of the body according to the embodiments may have an air permeability in the range of 50-600 l / ms 2 (determined with Frank device 21443, DIN EN ISO 9237), in particular in the range of 50-300 l / ms 2 , without being limited thereto to be.
  • FIG. 2 shows a modification of the sealing tape according to FIG. 1 , wherein the same features are provided with the same reference numerals.
  • FIG. 1 is fully referenced, unless otherwise stated in the context. This also applies to the other embodiments.
  • the fixing means 17 for fixing the functional layer 5 on the body 2 a foam layer 17e, which between a fixing means 17a for fixing the foam layer to the body 2 and an upper-side adhesive layer or self-adhesive layer 19, by means of which the sealing tape is fixed to a component arranged is.
  • the layer 19 thus simultaneously provides a fastening means for fastening the sealing strip to the component 100 ( Fig. 6 ).
  • the fixing agent layer 17a may optionally be used, if appropriate, another fixative.
  • the fixing agent layer 17a can consist of a plurality of partial regions, which each extend only partially over the broad side 3b and are arranged, for example, in each case in the region of the side surfaces 4a, 4b.
  • the fixing agent layer 17a extends here over the entire width of the functional layer 5.
  • the fixing agent layer 17a also defines the foam layer at the height of the functional layer (region 17a ').
  • the respective fixing means may be formed independently of each other as a self-adhesive layer, each with a peelable cover layer on the free outer sides, preferably all the same.
  • the fixing means layer 17a and / or the upper-side fixing means layer 19 may independently of each other constitute a continuous layer, as indicated by the dashed line.
  • the fixing means or fastening means 17a, 19 extend here independently of each other over the entire width of the body 2.
  • the layers 17a, 19 may optionally also extend only over part of the carcass width or they may each consist of several extending in the sealing tape longitudinal sections (dashed line Fig. 2 ).
  • FIG. 7 shows the sealing tape according to FIG. 2 in installation position, this being - schematically shown - compressed to 30% of its height relative to the free relaxed state (which also according to the sealing tape according to FIG. 5 applies).
  • the functional layer 5 is thus pressed into the body 2 as well as into the additional foam layer 17 e (possibly only substantially in one of the two layers, in particular the body). Due to the additional foam layer 17e, the functional layer 5 is spaced from the contact surface 110 of the component 100; the foam layer 17e is arranged between the functional layer 5 and the component contact surface 110.
  • the Foam layer can in this case have a hardness or compressive strength as that of the body, possibly also a larger or smaller.
  • the foam material of the foam layer according to the embodiment also preferably consists of a flexible foam, optionally also of a semi-rigid foam or rigid foam, optionally also of another material.
  • the foam layer 17e also has a (substantially) greater flexibility or (substantially) lower hardness than the functional layer, for example greater than or equal to the factor 5 or greater / equal to the factor 10-20. This makes it possible that the sealing strip, which also includes the additional foam layer 17e, at the level of the functional layer fits snugly against the contact surface of the component, which may possibly have irregularities.
  • the entire weather-facing and / or weather-facing narrow side of the sealing strip is filled by the foam material of the body 2 and the additional foam layer, so filled in total by foam material, so that in this way the properties of the sealing strip at one or both of the narrow sides are adjustable by the equipment of the foam material optionally by impregnation, coating, film coverage or the like.
  • an additional fastening means 11 in particular in the form of a self-adhesive layer, can be arranged on the lower broad side 3a of the sealing strip (optional), correspondingly FIG. 1 ,
  • the functional position is here - as well as in other embodiments of FIGS. 1 . 3 - Arranged on the flat top of the foam body 2.
  • the body in this case has a rectangular cross-section, so that the sealing strip is easy to manufacture manufacturing technology.
  • the underside of the functional layer 5 can also be fastened here to the foam body by means of an additional fixing means 9, in particular a double-sided self-adhesive layer.
  • the functional layer 5 can be fixed on its upper side by means of a fixing agent region 17a ', for example a double-sided self-adhesive layer, on the underside of the foam layer 17e, wherein the fixing means 17a' can be transferred to the adjacent fixing means regions 17a or integrally connected thereto , eg in the form of a continuous layer of the fixing means 17a.
  • both the sealing strip narrow sides facing end portions of the additional foam layer are connected to the body 2 in order to fix the position of the position between the foam material comprising fixing means and the foam body.
  • one of the two end portions of the foam material comprehensive fixative can not be attached to the foam body or connected to this but optionally also be arranged loosely relative to the body, which may also include a certain spacing of this or a loose, non-adherent system.
  • the fixing means 9 for fixing the underside of the functional layer 5 to the body 2 is arranged here at the height or in the band cross section of the fixing means 17a '(or part of 17a) and / or the fastening means 19 so as to improve the functional layer 5 on the body 2 and to fix it in the joint.
  • FIG. 3 shows a modification of the embodiment according to FIG. 2 , with the following differences, by the way, be on FIG. 2 directed.
  • One or both of the narrow-band narrow-side end regions 17d of the additional foam layer 17e of the fixing means is / are formed loosely or without adhesion to the foam body 2.
  • a fastening means 19 may be provided for fixing the sealing strip to a component, for example in the form of a self-adhesive layer (eg double-sided adhesive tape) or a positive or non-positively acting fastening means.
  • a fastening means 11 is then provided on the lower broad side 3a of the body 2, by means of which the sealing strip can be fixed to a component such as a frame component.
  • This fastener can as in FIG. 1 also be designed as a self-adhesive layer, optionally with removable cover layer.
  • FIG. 4 shows a further modification in which the functional position is arranged in a slot 21 of the body, preferably a slot open to one of the narrow sides, so that the sealing tape 1 is wound up preferably as a disk-shaped role in the width of the sealing strip, with the broad sides as contact surfaces adjacent turns.
  • the arranged in the region of the slot opening end portions of the body 2f, 2g may be connected to each other by a fixing means, if necessary, such a fixing means may also be absent.
  • the upper or lower side of the functional layer 5 can be fixed to the facing surfaces or inner sides of the foam body 2 by means of a fixing means 22 such as a self-adhesive layer.
  • On the upper and / or lower broad side 3 a, 3 b of the sealing strip can each have a fastening means 11, 23 for attachment be provided on a component of the sealing tape, for example, each independently in the form of a self-adhesive layer, or a non-positive or positive-acting fastening means.
  • Fig. 5 shows a modification FIG. 4 , with here at the broad side 3b opening slot 21.
  • the functional position is here in the middle and in the width of the sealing strip arranged centrally, which also after FIG. 4 and the remarks of the Figures 2 . 3 may be given 17e corresponding thickness measurement of the additional foam layer.
  • the fastening means 23, which is preferably formed here as a double-sided self-adhesive layer, serves here at the same time as well as a clamping means to hold the slot 21, where appropriate, may be provided on this broadside only a clamping means or fastening means (or in separate form).
  • the production of a sealing tape according to the invention can be carried out in particular such that the functional material layer is fixed to the fixing means and the fixing agent is fixed to the sealing band body directly or with an intermediate layer and the resulting composite is then compressed in a compression device under compression of the foam body and the compressed sealing strip is subsequently assembled for this purpose.
  • the intermediate layer can be any layer, for example a foam layer or non-foam layer.
  • the fixing means for fixing the functional material layer is used with a multiple of the width of the sealing strip, wherein a plurality of functional material layers are fixed to the fixing means, for example in the form of a self-adhesive film, further comprising a preform (large web) of the sealing tape having a multiple width thereof , preferably the width of the path of the fixative is then provided, in which case then the fixing agent is set flat to the width of the preform.
  • the preform is divided with fixing in a plurality of sealing tapes with fixed thereto fixing means, preferably by division in the longitudinal direction of the webs, so that isolated sealing tapes are available for use.
  • the adhesive layer 9 can then be dispensable.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sealing Material Composition (AREA)
  • Building Environments (AREA)
  • Adhesive Tapes (AREA)
EP13196676.4A 2012-12-12 2013-12-11 Ruban d'étanchéité doté de bandes fonctionnelles Not-in-force EP2743416B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201220104826 DE202012104826U1 (de) 2012-12-12 2012-12-12 Dichtband mit Funktionsstreifen

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EP2743416A2 true EP2743416A2 (fr) 2014-06-18
EP2743416A3 EP2743416A3 (fr) 2014-07-16
EP2743416B1 EP2743416B1 (fr) 2018-02-28

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CN105298353A (zh) * 2015-10-26 2016-02-03 吴玲玲 玻璃窗
EP2990552B1 (fr) 2014-08-26 2018-03-21 ISO-Chemie GmbH Procédé de fabrication d'un rouleau de bande d'étanchéité et rouleau de bande d'étanchéité
EP3567174B1 (fr) 2018-05-07 2020-03-18 ISO-Chemie GmbH Procédé de fabrication de rouleaux de bandes d'étanchéité

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US9206596B1 (en) * 2015-03-10 2015-12-08 Schul International, Inc. Expansion joint seal system
CN105298311B (zh) * 2015-10-26 2017-03-22 吴玲玲 玻璃门
EP3252245A1 (fr) 2016-06-02 2017-12-06 HILTI Aktiengesellschaft Bandes d'étanchéité pour l'étanchéification de joints entre des éléments de construction et procédé de fabrication d'une bande d'étanchéité
DE102018108816A1 (de) * 2018-04-13 2019-10-17 Protektorwerk Florenz Maisch Gmbh & Co. Kg Profil für den Baukörperanschluss
PL3608480T3 (pl) * 2018-08-07 2024-04-22 Iso-Chemie Gmbh Rolka taśmy uszczelniającej z taśmy uszczelniającej z leżącą we wnętrzu warstwą barierową w kierunku funkcjonalnym

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EP1118727A1 (fr) * 2000-01-18 2001-07-25 Konrad Baerveldt Joint d'étanchéité hydrophile

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DE19910342A1 (de) * 1999-03-09 2000-09-14 Salamander Ind Produkte Gmbh Verfahren zum Binden einer pulvrigen Substanz an einen tragenden Untergrund und mit einer Pulverschicht versehener Schichtkörper
EP1118727A1 (fr) * 2000-01-18 2001-07-25 Konrad Baerveldt Joint d'étanchéité hydrophile

Cited By (7)

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Publication number Priority date Publication date Assignee Title
EP2990552B1 (fr) 2014-08-26 2018-03-21 ISO-Chemie GmbH Procédé de fabrication d'un rouleau de bande d'étanchéité et rouleau de bande d'étanchéité
CN105298353A (zh) * 2015-10-26 2016-02-03 吴玲玲 玻璃窗
EP3567174B1 (fr) 2018-05-07 2020-03-18 ISO-Chemie GmbH Procédé de fabrication de rouleaux de bandes d'étanchéité
EP3567177B1 (fr) 2018-05-07 2020-03-25 ISO-Chemie GmbH Procédé de fabrication de rouleaux de bandes d'étanchéité
EP3567175B1 (fr) 2018-05-07 2020-03-25 ISO-Chemie GmbH Procédé de fabrication de rouleaux de bandes d'étanchéité
EP3567176B1 (fr) 2018-05-07 2020-04-15 ISO-Chemie GmbH Procédé de fabrication de rouleaux de bandes d'étanchéité
US11014345B2 (en) 2018-05-07 2021-05-25 Iso Chemie Gmbh Method for producing sealing tape rolls

Also Published As

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EP2743416B1 (fr) 2018-02-28
EP2743416A3 (fr) 2014-07-16
DE202012104826U1 (de) 2014-03-13

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