EP3401455A1 - Bande de film avec film polymère hygrovariable - Google Patents

Bande de film avec film polymère hygrovariable Download PDF

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Publication number
EP3401455A1
EP3401455A1 EP18170906.4A EP18170906A EP3401455A1 EP 3401455 A1 EP3401455 A1 EP 3401455A1 EP 18170906 A EP18170906 A EP 18170906A EP 3401455 A1 EP3401455 A1 EP 3401455A1
Authority
EP
European Patent Office
Prior art keywords
self
state
band
adhesive layer
carrier material
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
EP18170906.4A
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German (de)
English (en)
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EP3401455B1 (fr
Inventor
Simon Pronath
Beatrix Deml
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Tremco CPG Germany GmbH
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Tremco Illbruck Produktion GmbH
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Publication of EP3401455A1 publication Critical patent/EP3401455A1/fr
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    • 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 firstly relates to a self-adhesive tape suitable for sealing joints and comprising at least a first layer of a carrier material having two opposing outer surfaces of the carrier material, at least one of which outer surfaces is at least partially coated with a self-adhesive layer, wherein in the first State, an outer surface is covered over at least in a central region with respect to the width direction of the tape over the entire surface of the self-adhesive layer.
  • the invention relates to a method for producing a suitable for sealing joints and certain self-adhesive tape.
  • Tapes for sealing joints are known in the art.
  • such tapes are used in house construction for sealing so-called Bauan gleichfugen, ie joints between assembled components.
  • Bauan gleichfugen ie joints between assembled components.
  • Such tapes are also referred to as RAL, Guidelines for planning and execution of the installation of windows and front doors, March 2010, Kap.6.4.4, as joint sealing strips.
  • Bauan gleichfugen are, for example, joints between a masonry and a window or door frame.
  • Film tapes can be constructed of several layers and usually have in the region of one longitudinal side a narrow self-adhesive strip with which the film strip with one long side area can be connected to the window or door frame.
  • the opposite in the width direction of the film strip longitudinal side region is connected to the masonry, for example, an outer wall or a facade.
  • the wall-side connection is usually carried out by means of an adhesive which is either designed as a self-adhesive strip on the film or which is applied separately to the masonry.
  • the band can be fixed later by embedding in the plaster.
  • a sealing tape and a sealing arrangement are known.
  • the sealing tape has on one side two spaced self-adhesive strips extending along the outer longitudinal side portions of the tape. It is envisaged that one of these self-adhesive strips is connected to a foam body, which fills a joint, for example, between a window frame and a window reveal.
  • the intermediate space between the self-adhesive strips, without being connected thereto, is placed on one side of the foam body and the other self-adhesive strip is then connected to the window frame.
  • the non-self-adhesive area forms a sealing film which can inhibit water vapor diffusion through the foam body.
  • the patent application EP 2 692 959 A1 also discloses a foil tape for sealing joints between assembled building components.
  • the film strip comprises a non-perforated functional membrane made of a film which has on its underside either a self-adhesive layer applied over the entire area or two self-adhesive strips which are spaced apart from one another in the transverse direction and have different widths and extending in the longitudinal direction.
  • the functional membrane can be glued to the two outer sides of the respective components, so that the film also covers the gap between them.
  • the functional membrane is preferably a moisture-variable polymer film whose water vapor diffusion coefficient changes depending on the ambient humidity.
  • the spaced self-adhesive strips must each be applied separately, which takes special precautions regarding the accuracy of Positioning of the self-adhesive strips requires.
  • the equipment with self-adhesive strips is usually on film rolls in breadth of use.
  • Self-adhesive strips spaced apart from each other along the broad side of a sealing tape can lead to irregularities and thus to instability of the roll due to their material thickness, in particular when the tape is wound into a roll and thus add up the additional material thickness of the individual self-adhesive strips arranged one above the other.
  • An essential aspect of the invention is thus a self-adhesive tape suitable for sealing joints and comprising at least a first layer of a carrier material which has two opposite outer surfaces of the carrier material, at least one of these outer surfaces being at least partially coated with a self-adhesive layer, wherein in the first state, an outer surface at least in a central region with respect to the width direction of the tape is completely covered by the self-adhesive layer. It is also essential that the band can be transferred from a first state to a second state, wherein the band in the second state has a greater width than in the first state and in the second state, the self-adhesive layer, the outer surface at least in the central region with respect to the width direction of the band not completely covered.
  • the outer surfaces of the carrier material are understood to be those surfaces which are in contact with the environment or another component of the sealing tape.
  • the carrier material preferably comprises a film or a nonwoven.
  • the support material is a nonwoven / film composite. This is preferably multi-ply, for example 2-ply (eg nonwoven / film) or 3-ply (eg nonwoven / film / nonwoven).
  • the film is water vapor diffusion variable.
  • Such a carrier material usually has only a small height and extends substantially in the longitudinal direction and width direction.
  • the outer surfaces of the carrier material are therefore understood to be those (outer) surfaces which extend on both sides of the carrier material along the widthwise and longitudinal direction of the sealing band.
  • internal surfaces of the carrier material are understood to be surfaces which are not in contact with the environment or another component of the sealing band. Such surfaces may, for example, be caused by folding of the carrier material, whereby first surfaces of the carrier material come to lie on second surfaces of the carrier material, so that they can not be contacted by further components of the sealing tape (except for the carrier material itself).
  • contact between internal surfaces and other components such as e.g. Air, water vapor, other gases, water or other solvents are not excluded.
  • the carrier material itself can consist of several components.
  • a nonwoven web could include various types of fibers which could be used to tailor product properties.
  • carrier materials are conceivable which comprise a composite of one or more films and / or additionally comprise one or more nonwovens.
  • the outer surface of such a multicomponent carrier material is to be understood in each case the outermost surface of the composite which forms the carrier material. Accordingly, an internal surface of such a multicomponent carrier material is a surface that is not in contact with the environment or another component of the sealing tape (eg a self-adhesive layer). However, contact with another layer / component of the substrate itself is possible.
  • an inner surface of a multicomponent carrier material also represents a surface of the carrier material in its entirety and is not an area between individual layers / components of the carrier material itself. Internal surfaces of a carrier material are therefore to be distinguished from inner surfaces of the carrier material, which, for example, fibers of a nonwoven or possibly contained in the carrier material additional components (eg activated carbon) are formed with a very large inner surface (BET).
  • additional components eg activated carbon
  • the plurality of layers of the carrier material are arranged one above the other at least in the middle region. Accordingly, in this area, a plurality of layers of the carrier material are preferably arranged one above the other in such a way that contact surfaces of the carrier material. These surfaces are no longer accessible to other components of the sealing strip and therefore form internal surfaces. Due to the at least partial gas permeability of the strip, gases such as e.g. Air or water vapor also reach these internal surfaces.
  • the middle region is preferably that region of the band in which a plurality of layers of the carrier material are arranged one above the other, at least in the first state. Preferably, internal surfaces of the carrier material contact each other in this region.
  • the extension of the center area in the width direction of the tape is not limited. It is conceivable that the central region extends in the width direction into the immediate vicinity of the edges of the band, or even extends to one or both edges of the band.
  • the carrier material has at least one fold in the center region, in which a plurality of layers of the carrier material are arranged one above the other.
  • the self-adhesive tape suitable for sealing joints and having at least a portion of the substrate in the center region which has a z-shaped profile in cross section along the width direction of the band.
  • the carrier material is at least partially arranged in at least three, more preferably in exactly three superimposed layers.
  • surfaces of the substrate contact so that they are no longer accessible to other components of the tape. They thus form internal surfaces of the carrier material. If the z-shaped course is produced by folding of the carrier material, as is preferred in terms of the method, surfaces of the carrier material which are arranged adjacent to one another and which were preferably outer surfaces of the carrier material thus come to rest on one another.
  • the central region of the substrate material has a profile that is z-shaped in cross-section along the width direction of the band, not in a single section, but in several sections. More preferably, it is provided that the z-shaped profile in at least some sections is a mirror image of the course in other sections. More preferably, a section with a course, whose shape follows the mirror image of a "z", adjoins a section with a z-shaped profile.
  • a section with a course, whose shape follows the mirror image of a "z” adjoins a section with a z-shaped profile.
  • the course does not strictly follow the design of the letter "z”, but that distortions, compressions or twists of this geometry are also possible. Such modifications also explicitly represent variants of the invention. Due to the usually low height of a band, in particular severe compression of the "z" in the vertical direction is possible and provided in preferred embodiments.
  • the support material has at least one surface in the middle region, which in the first state is an inner surface and in the second state is part of the outer surface of the belt.
  • the band is deformed such that at least portions of the inner surface of the carrier material in the first state become parts of the outer surface of the band.
  • the transition from the first state to the second state preferably takes place by a deformation of the strip.
  • a deformation of the strip along its width direction is conceivable. More preferably, this transformation is accompanied by an increase in the expansion of the strip in the width direction.
  • an at least partial unfolding of this fold is conceivable. The unfolding is preferably in the width direction.
  • the self-adhesive layer covers at least 80% of an outer surface of the tape.
  • the self-adhesive layer does not have to cover all outer surfaces of the tape, but this would also be conceivable with double-sided adhesive tapes. Therefore, the above statement of at least 80% coverage of an outer surface of the belt refers only to one surface of the belt, which surface extends on one side along a width direction and a longitudinal direction of the belt perpendicular thereto.
  • the self-adhesive layer covers at least 90% of this outer surface of the belt, more preferably at least 95%.
  • the self-adhesive layer covers this outer surface of the tape over the entire width of the tape.
  • This embodiment is particularly preferred since it is not necessary to distinguish between areas to be provided with the self-adhesive layer and those which are not to be covered with a self-adhesive layer during the manufacture of the strip.
  • an outer surface of the tape which is partially covered with a self-adhesive layer, not covered over at least 10% with a self-adhesive layer.
  • at least 15%, more preferably at least 20%, particularly preferably at least 25% of this surface in the second state is not covered with a self-adhesive layer.
  • the region of the outer surface of the tape not covered with a self-adhesive layer in the second state extends in a strip shape along the longitudinal direction of the tape.
  • the region of the outer surface not covered with a self-adhesive layer in the second state is parallel to at least a strip of self-adhesive layer which extends along the longitudinal direction of the tape.
  • the portion of the outer surface not covered with a self-adhesive layer extends between two parallel extending strips of a self-adhesive layer which extend along the lateral edges of the tape, more preferably in the longitudinal direction of the tape.
  • the band, preferably the carrier material has a variable water vapor permeability.
  • the water vapor permeability is variable depending on the humidity. More preferably, the water vapor permeability is higher in the wet state, particularly preferably much higher than in the dry state.
  • the band and / or the carrier material preferably has a variable sd value.
  • the sd value is calculated from the layer thickness of the material multiplied by the water vapor diffusion resistance number of the material and has the unit "m".
  • the Sd value is defined in DIN 4108 Part 3 as a water vapor diffusion-equivalent air layer thickness.
  • the water vapor diffusion resistance number of the material, the so-called ⁇ value is defined by DIN EN ISO 12572: 2001.
  • the tape has at least one further layer, the material of such a layer being selected from a group comprising a film, a nonwoven, a film / nonwoven combination, a nonwoven lamination, a butyl tape, an aluminum coating, EPDM, an optionally impregnated, optionally compressed abrasive strip, a pressure-sensitive adhesive, an acrylate, neoprene, a rubber, especially styrene-butadiene rubber (SBK), natural rubber, synthetic rubber or chlorinated rubber, or others.
  • the material of such a layer being selected from a group comprising a film, a nonwoven, a film / nonwoven combination, a nonwoven lamination, a butyl tape, an aluminum coating, EPDM, an optionally impregnated, optionally compressed abrasive strip, a pressure-sensitive adhesive, an acrylate, neoprene, a rubber, especially styrene-butadiene rubber (SBK), natural
  • the self-adhesive layer is preferably a carrierless self-adhesive layer.
  • the self-adhesive layer comprises a self-adhesive.
  • This self-adhesive composition is preferably selected from an acrylate, (natural) rubber or another suitable self-adhesive composition.
  • the band has a width that allows its use for sealing a joint between a window frame and a window reveal.
  • the width is therefore chosen so that the band can bridge a joint on the one hand and on the other hand also beyond beyond the joint areas has, which allow attachment of the band with, for example, a window frame and / or a window reveal.
  • the width of the band in the second state is selected so that it allows the sealing of a joint between a window frame and a window reveal both the inside space and the room outside.
  • the band preferably has a width which is in the range of 1 to 50 cm, preferably of 2 to 40 cm, more preferably of 3 to 30 and particularly preferably in the range of 5 to 25 cm.
  • the band preferably has at least two self-adhesive strips which are spaced apart from one another and extend along the longitudinal direction of the band. These preferably run parallel to one another. It is further preferred that at least one self-adhesive strip, preferably two self-adhesive strips run along a lateral boundary of the carrier material. Preferably, at least one self-adhesive strip, preferably two self-adhesive strips form the lateral boundary of the band. Alternatively, a self-adhesive strip or even two self-adhesive strips may be arranged spaced from one side of the band. Preferably, this distance is comparatively small and is in the range of less than 20 mm, preferably less than 10 mm, more preferably less than 5 mm and particularly preferably in the range of 0.05 to 2 mm.
  • the width of the self-adhesive strip of the tape can be adapted to the respective requirements.
  • Width of the self-adhesive strips, which in the second state are in the range of 1 to 5 cm, preferably 1.5 to 12 cm, more preferably 2 to 10 cm, have proven to be particularly advantageous. These data refer to 1 strip each.
  • step b it is very easy to provide a suitable for the sealing of joints and certain self-adhesive tape. Because an overlapping region of the strip-shaped carrier material is produced in step b), but in step c) the self-adhesive layer is applied only to at least one section of the outer surface of the strip-shaped carrier material located in the overlapping area, the inner surface of the strip-shaped carrier material can be in the overlapping area of the Self-adhesive layer remain free. If the overlapping region of the band-shaped carrier material is loosened, this previously internal surface of the band-shaped carrier material, which is not provided with the self-adhesive layer, can be exposed and this previously internal surface becomes part of the outer surface of the band.
  • the self-adhesive layer can be applied directly to portions of the outer surface of the carrier material.
  • the self-adhesive layer not only comprises the PSA itself, but also itself comprises a carrier and, for example, is designed as a double-sided adhesive tape.
  • Such a double-sided adhesive tape can be stored for example in the form of a roll and applied to the substrate as needed. In some cases, this can have advantages over the application of the PSA without additional carrier.
  • the carrier ensures that in the second state the self-adhesive layer does not completely cover the outer surface, at least in the middle region, with respect to the width direction of the band. This is preferably accomplished by tearing the separate carrier during transfer of the tape from the first state to the second state, thus exposing additional previously internal surfaces of the tape. The tearing of the separate carrier preferably takes place along the longitudinal direction of the band.
  • a predetermined breaking point may be provided. This could be realized for example by a local reduction of the material content such as a perforation, a notch or other dilution of the material thickness of the separate carrier.
  • At least one further layer is applied to at least one side of the strip-shaped carrier material in addition to the self-adhesive layer.
  • this is a further self-adhesive layer.
  • Such a further self-adhesive layer could, for example, serve to bond the tape to the masonry (e.g., a window reveal).
  • such a self-adhesive layer may be applied in addition to or as an alternative to possible further self-adhesive layers on the side of the carrier material opposite the first self-adhesive layer.
  • the further layer may be, for example, an insulating material. This could serve, for example, the thermal and / or acoustic insulation.
  • additional layers are conceivable which influence at least one property of the strip, which are selected from a group which is the absolute water vapor diffusion, water vapor diffusion as a function of atmospheric moisture, overpaintability, color, color absorption, strength, UV resistance, transparency, surface structure, Watertightness, thermal resistance, tear resistance and others.
  • Such an additional layer does not necessarily have to directly follow the layer of support material, although in some cases this is possible and advantageous.
  • the additional layer may, for example, be vapor-deposited, deposited, sprayed on, brushed on, welded on, or by other methods are applied.
  • a surface modification of the carrier material is conceivable to produce the desired layer.
  • mechanical surface changes such as roughening, chemical surface changes such as oxidation or reduction reactions, or physical surface treatments such as exposure to temperature or charge carriers would be conceivable.
  • the additional layer is not connected directly but with the aid of a further component with the carrier layer. This could be done for example by a further component such as an adhesive layer.
  • Another variant of the method includes the step of transferring the strip from a first state to a second state of increased width, wherein in the second state, surfaces of the carrier material which in the first state formed internal surfaces in the overlap region form outboard surfaces of the strip , These are preferably at least partially not coated with a self-adhesive layer. In a further preferred variant, these are outer surfaces of the band form, which were internal surfaces in the first state, the entire surface free of a self-adhesive layer.
  • FIG. 1 shows a first embodiment of a suitable for sealing joints and certain self-adhesive tape 1 in a first state. Shown is a carrier layer 2 and a self-adhesive layer 3. In the delivery state of the finished product, this is usually covered with a (not shown) liner.
  • the carrier layer 2 is in FIG. 1 shown in one piece. However, it would be possible that the carrier layer 2 itself is not formed in one piece, but is composed of several components. For example, it would be conceivable for the carrier layer 2 to be multi-layered and to be a composite of several layers. Especially with functional tapes 1, a multi-layered construction is advantageous or even necessary to provide the desired functionality.
  • the carrier layer 2 may comprise, for example, membranes, coatings, films, foams, paints and other components. Regardless of its composition, the carrier layer 2 on two sides 4, 5, which are opposite each other. As in FIG. 1 one side 4 of the self-adhesive layer 3 is shown. For better illustration, the carrier layer 2 and the self-adhesive layer 3 are shown spaced from each other. In practice, however, the self-adhesive layer 3 contacts the carrier layer 2.
  • the carrier layer 2 has a center region 6, which is arranged at a distance from the ends 7 a, 7 b of the carrier layer 2 with respect to the width direction B.
  • this central region 6 there are several layers of the carrier layer 2 one above the other in the height direction H.
  • these layers are shown stretched in the height direction H.
  • each of these layers contacts at least one other of these layers.
  • the layers are arranged in the center region 6 z-shaped. Accordingly, in the center region 6, three layers of the carrier layer 2 come to lie one above the other.
  • the Z-shaped folding of the base layer 2 is superposed on surface portions disposed on the same side 4 of the base layer 2 in the extended unfolded state of the base layer 2 in this case, so that inner surfaces different from the outer surfaces 8a and 8b 9 present.
  • the inner surfaces 9 are not contacted by the self-adhesive layer 3.
  • the position of the self-adhesive layer 3 indicated by the reference numeral 10 divides the self-adhesive layer 3 into two different regions 3a and 3b, which differ in that the region 3a contacts the outer surfaces 8a of the carrier layer 2, whereas the region 3b contacts the outer surfaces 8b of the carrier layer 2 contacted.
  • the inner surfaces 9 of the carrier layer 2 are not contacted by the self-adhesive layer 3 - neither by the region 3a nor by the region 3b.
  • FIG. 1 shown band in a generally expanded in the width direction B second state, which in FIG. 2 is shown schematically.
  • the expansion in the width direction B in the transfer of the tape from the first to the second state and the adhesion of the two different areas 3a and 3b of the self-adhesive layer 3 with the outer surfaces 8a and 8b of the support layer 2 breaks the self-adhesive layer 3 in the region of FIG. 1 designated by the reference numeral 10 position, whereby the end points 10a and 10b of the self-adhesive layer 3 arise.
  • the layers of the carrier layer 2 arranged one above the other in the height direction H can be separated from one another such that the inner surfaces 9 lying in the first state come to rest side by side and become outer surfaces of the belt 1 that are not covered by the self-adhesive layer 3.
  • the band 1 thus has no self-adhesive layer 3 between the end locations 10a and 10b of the self-adhesive layer 3 in the second state.
  • Such an area is in the installed state of the band - for example, for sealing a gap between the window frame and window reveal - particularly advantageous if, for example, under thermal influence with shifts of these elements against each other must be expected. Moreover, such an area offers advantages in terms of on a facilitated installation of the tape, in particular when introducing the tape - or not covered with the self-adhesive layer 3 areas in corners.
  • FIG. 3 Another possible embodiment of the self-adhesive tape suitable for sealing joints in a first state is shown in FIG. 3 shown.
  • the center region 6 is greatly widened in the width direction B of the band 1.
  • This can be realized by two z-shaped folds of the carrier layer 2 arranged opposite each other along the width direction B in mirror image.
  • This embodiment has opposite to in FIG. 1 shown the advantage that the band in its entirety can be symmetrical with respect to its center M in the width direction B can be performed.
  • This is particularly advantageous in the usual packaging of a strip 1 in roll form, since all areas of the strip in the first state can thus have the same height in the height direction H.
  • such a configuration also makes it possible to greatly increase the central area 6 and the surface portions 9, which are not provided with the self-adhesive layer, with respect to the surface portions 3a, 3b provided with the self-adhesive layer 3.
  • a width ratio of the surface portions 9 not provided with the self-adhesive layer would be possible in comparison with the surface portions 3a, 3b of 2: 1 provided with the self-adhesive layer 3.
  • this width ratio can not be realized, since it should be avoided in practice that the folding points 11a and 11b should be arranged in the vicinity of the ends 7a, 7b of the carrier layer 2.
  • FIG. 3 shows an example of such an embodiment symmetrical with respect to the center M in the width direction B.
  • the identical number of identical but mirror-inverted folds is provided on both sides.
  • deviations from this symmetrical geometry are possible, for example, to adapt the positioning of the not provided with the self-adhesive layer surface portion 9 in the width direction of the tape to specific needs.
  • a multiple folding of the carrier layer 2 is provided, come in the middle region 6 more, for example, z-shaped folds in the height direction H to lie one above the other.
  • the distance between the inside folds 12a and 12b is advantageous to keep the distance between the inside folds 12a and 12b as low as possible.
  • the inside folds 12a and 12b will contact each other.
  • this can be advantageous for an identical height of the area between the individual, eg z-shaped folds of each layer on a roll.
  • FIG. 3 the band and its individual components is shown distorted in its outer direction for clarity and thus also the inside folds 12a and 12b - contrary to the preferred embodiment - shown spaced apart.
  • a space between the inside folds 12a and 12b as this allows a bond in this gap to be bonded to the self-adhesive layer 3, and thus additionally the folded composite in the area between the inside folds 12a and 12b Regarding the self-adhesive layer 3 stabilized.
  • FIG. 4 A further particularly preferred embodiment of a self-adhesive tape suitable for sealing joints in a first state is shown in FIG FIG. 4 shown.
  • a self-adhesive layer 3 is disposed on the not only on the side 5 of the carrier layer 2, but a further layer 13, for example, also a self-adhesive layer on the provided with the first self-adhesive layer 3 page 5 opposite side 4 is arranged.
  • this additional layer 13 does not cover any additional z-fold, but this would also be possible if an interruption of a self-adhesive layer 13 would also be desirable on this side 4 of the carrier layer 2.
  • the carrier layer 2 is composed of several components, such as a film and a nonwoven.
  • a z-fold formed in the middle region 6 of the carrier layer 2, as well as in the FIG. 1 illustrated embodiment.
  • analogous outer surfaces 8a and 8b and distinguishable inner surfaces 9 are formed at the position indicated by the reference numeral 10.
  • the self-adhesive layer 3 can be divided into two different regions 3a and 3b. Also in this embodiment, the inner surfaces 9 of the carrier layer 2 are not covered by the self-adhesive layer 3.
  • the further layer 13 has a width between 10 and 50 mm, preferably 15-30 mm and particularly preferably 18-27 mm. Preferably, this further layer is arranged marginally.
  • FIG. 5 shows the in FIG. 4 illustrated embodiment of suitable for the sealing of joints and certain self-adhesive tape in a second state.
  • this band is transferred from a first state to a second state.
  • the self-adhesive layer 3 is separated at the position indicated by reference numeral 10 into two different regions 3a and 3b, so that between the inner end points 10a and 10b, the inner surfaces 9 in the first state come to lie next to one another and thereby become outer surfaces of the belt 1 , These are not covered by the self-adhesive layer 3 in the second state.
  • the center region 6 thus has no self-adhesive layer 3 between the end locations 10a and 10b in the second state on the side 5 of the carrier layer.
  • the layer 13 contacting only the outer surface indicated by reference numeral 8c, which faces the outer surface indicated by 8a, is unaffected. It is in the exemplary embodiment as a further self-adhesive layer 13, for example, for bonding the tape 1 with a masonry, not shown, for example, a window reveal available.
  • FIG. 6 shows a further embodiment of the suitable for sealing joints and certain self-adhesive tape in a first state.
  • the second state is not represented, however, this band 1 is analogously by stretching in the width direction B in a second state can be transferred.
  • This embodiment differs from that shown in Figure 4 in that the arranged on the outer surface 8c further layer 13 is formed in two parts and thus on this surface, a third layer 14 is applied.
  • This layer 14 may be different from the further layer 13 or be of the same material. When using different materials, for example, they could be set to a sufficient adhesion to different substrates. Should layers 13 and 14 be of identical material, they could also be created by opening a further z-fold (not shown) from a previously single layer.
  • strips 13 and 14 may be more than those in FIG. 6 have shown strips 13 and 14.
  • the total width of the band in the first state is in particularly preferred embodiments 60-140 mm, more preferably 70-125 mm and most preferably 80-110 mm.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
EP18170906.4A 2017-05-05 2018-05-04 Bande de film Active EP3401455B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017109688.4A DE102017109688A1 (de) 2017-05-05 2017-05-05 Folienband mit feuchtevariabler Polymerfolie

Publications (2)

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EP3401455A1 true EP3401455A1 (fr) 2018-11-14
EP3401455B1 EP3401455B1 (fr) 2023-04-26

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EP18170906.4A Active EP3401455B1 (fr) 2017-05-05 2018-05-04 Bande de film

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WO2021144305A1 (fr) * 2020-01-15 2021-07-22 Tesa Se Joint d'étanchéité de boîtier en plusieurs parties, procédé pour l'application automatisée d'un joint d'étanchéité de boîtier en plusieurs parties, et boîtier comprenant un joint d'étanchéité de boîtier en plusieurs parties

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DE102022121597A1 (de) 2022-08-25 2024-03-07 Tremco CPG Germany GmbH Dichtband zum Verschließen, Abdichten und/oder Verkleben von Fugen

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EP2733271A1 (fr) * 2012-11-19 2014-05-21 Tremco illbruck Produktion GmbH Bâtiment à ventilation forcée doté d'une structure de mur comprenant une bande d'étanchéité

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DE29917128U1 (de) * 1999-09-29 2000-01-27 Uzin Utz Ag Dichtungsband
DE20121253U1 (de) 2000-12-06 2002-06-20 Illbruck Gmbh Bandartiges Verbindungselement
DE102007021680A1 (de) 2006-11-18 2008-05-21 Tremco Illbruck Produktion Gmbh Dichtungsband
DE202008003670U1 (de) 2008-03-14 2009-07-23 Tremco Illbruck Produktion Gmbh Dichtungsband
DK2692959T3 (da) * 2012-07-29 2016-07-25 Hanno-Werk Gmbh & Co Kg Foliebånd
DE102015202882A1 (de) * 2015-02-18 2016-08-18 Odenwald-Chemie Gmbh Dichtungsband und Dichtungsanordnung

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EP2733271A1 (fr) * 2012-11-19 2014-05-21 Tremco illbruck Produktion GmbH Bâtiment à ventilation forcée doté d'une structure de mur comprenant une bande d'étanchéité

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021144305A1 (fr) * 2020-01-15 2021-07-22 Tesa Se Joint d'étanchéité de boîtier en plusieurs parties, procédé pour l'application automatisée d'un joint d'étanchéité de boîtier en plusieurs parties, et boîtier comprenant un joint d'étanchéité de boîtier en plusieurs parties
US11913551B2 (en) 2020-01-15 2024-02-27 Tesa Se Housing seal, method for the automated application of a housing seal, and housing comprising a housing seal

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DE102017109688A1 (de) 2018-11-08
EP3401455B1 (fr) 2023-04-26
PL3401455T3 (pl) 2023-09-18

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