WO2013176543A1 - Matériau en plaques à parois multiples et profilé d'extrémité ainsi que ruban filtrant pour celui-ci - Google Patents

Matériau en plaques à parois multiples et profilé d'extrémité ainsi que ruban filtrant pour celui-ci Download PDF

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Publication number
WO2013176543A1
WO2013176543A1 PCT/NL2013/050372 NL2013050372W WO2013176543A1 WO 2013176543 A1 WO2013176543 A1 WO 2013176543A1 NL 2013050372 W NL2013050372 W NL 2013050372W WO 2013176543 A1 WO2013176543 A1 WO 2013176543A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate material
filter tape
end profile
material according
profile
Prior art date
Application number
PCT/NL2013/050372
Other languages
English (en)
Inventor
Johannes Wilhelmus Gerardus Hooft
Original Assignee
Multifoil B.V.
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 Multifoil B.V. filed Critical Multifoil B.V.
Priority to EP13729504.4A priority Critical patent/EP2855792B1/fr
Publication of WO2013176543A1 publication Critical patent/WO2013176543A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/54—Slab-like translucent elements
    • E04C2/543—Hollow multi-walled panels with integrated webs

Definitions

  • Multi-walled plate material and end profile as well as filter tape therefore
  • the present invention relates to multi-walled plate material comprising a first plate body and a second plate body which are separated from each other by a system of partitions and in- between enclose a number of cavity channels, wherein, at the head end of the plate material, the cavity channels are closed off next to each other in a ventilating and water permeable, yet dustproof manner with a filter tape, and wherein an end profile is arranged at the head end of the plate material, which comprises a continuous ventilation duct extending in a direction transverse to the cavity channels in it and is separated from the cavity channels by the filter tape.
  • the invention further relates to an end profile and a filter tape for such multi-walled plate material.
  • Multi-walled plate material of the type described in the opening paragraph is used on a large scale for structural applications in, for example, roof lights, conservatories, carports and other types of covering. Often this concerns applications out-of-doors, wherein a suitable transparent or translucent plastic is applied to the plate body, such as polycarbonate or polymethylmethacrylate (PM MA).
  • PM MA polycarbonate or polymethylmethacrylate
  • the latter material is also referred to as Plexiglas or Perspex, after their respective commercial brand names.
  • multi-walled, in particular double-walled, plate material is preferred, which exhibits an excellent thermal insulation due to the hollow cavity channels within.
  • the transparent or translucent embodiment moreover, guarantees an effective incidence of light.
  • the growth of micro-organisms manifests itself in the form of a disfiguring and darkening deposit in the cavity channels which is visible from outside through the transparent plate material.
  • the cavity channels are closed off in a dustproof manner at their end so that breeding grounds for micro-organisms and fungal spores are kept out of the cavity channels.
  • a dustproof, yet ventilating filter tape is used, which allows an adequate vapour and moisture exchange between the cavity channels and the surroundings, while small and larger (dust) particles are kept out as much as possible.
  • the tape may be provided with a self-adhesive layer on its backside, with which it is easily attached to the head end, after which the whole is subsequently provided with a protection profile which is arranged over the filter tape.
  • a ventilation duct is thus situated which is in open communication with the cavity channels via the filter tape.
  • a controlled expansion of the known profile necessitates the presence of a set of pre-formed weakened lanes within in combination with a relatively limited wall thickness, so that a longitudinal stability of the known profile is also relatively limited. Accordingly, the known profile merely exhibits a low bending resistance.
  • the present invention aims to provide for multi-walled plate material and an end profile of the type described in the opening paragraph, with which these disadvantages can be effectively avoided.
  • multi-walled plate material of the type mentioned in the opening paragraph is characterized in that the end profile comprises an at least substantially shape-retaining body, which is provided, internally between the ventilation duct and the cavity channel, with at least one shoulder which extends from an inner wall thereof and abuts the head end either directly or indirectly.
  • the end profile comprises a shape-retaining and thus ready-moulded body and which will therefore to a large extent be dimensionally stable in order to ensure an accurate fit on the plate material.
  • the at least one shoulder internally provided in the profile and abutting the head end, either directly or indirectly not, functions as a tangible end stop encouraging a correct and uniform assembly.
  • the ventilation duct is situated beyond this shoulder, so that an unlimited operation thereof will be guaranteed.
  • a particular embodiment of the plate material according to the invention is characterized in that the filter tape extends from the at least one shoulder to the opposite inner wall of the end profile, in particular from the at least one shoulder to an opposite shoulder extending from the opposite inner wall, wherein the filter tape separates the cavity channels from the ventilation duct. Accordingly the filter tape extends almost full-surface over said ends of the cavity channels, to achieve optimal ventilation and drainage without dust and dirt particles being able to penetrate.
  • a further particular embodiment of the plate material according to the invention is characterized in that the at least one shoulder supports a hermetical seal on a side facing the head end, in particular an elastic bead of a plastic sealing means, more in particular of a pressure sensitive viscous adhesive such as a hot-melt adhesive, a butyl paste or a foamed plastic.
  • the seal thus lies enclosed and confined between the shoulder and a head end of a plate body which the shoulder abuts. Accordingly this provides for the desired hermetical sealing of the cavity channels. Possible variations in dimension and/or flatness can thus be compensated by an elasticity and thus a compressible character of the seal, which can apply itself to both parts in the construction.
  • the filter tape is not only ventilating but also permeable. Potential moisture can thus escape from the cavity channels via the filter tape and subsequently end up in the ventilation duct.
  • a further particular embodiment of the plate material according to the invention is characterized in that the end profile is provided with at least one drainage opening in the ventilation duct. The drainage opening is at least provided in a wall of the ventilation duct situated the lowest.
  • a further particular embodiment of the plate material according to the invention is characterized in that the end profile is at least substantially U-shaped with a set of hanging walls which, on both sides, lie touching on the lateral edges of main surfaces of both plate bodies.
  • the end profile can thus with both hanging legs of the U-profile easily be slid on and around the plate material, possibly, with the interposition of an adhesive and/or a sealant, until the shoulder abuts the head end.
  • This tangible end stop is an immediate indication for a correct assembly.
  • a further particular embodiment of the plate material according to the invention is characterized in that the end profile is substantially L-shaped with a relatively short hanging first wall which lies at least almost flush against the first plate body and abuts its head end and with a longer hanging second wall which lies touching on a lateral edge of a main surface of the second plate body. Since the first wall of the end profile lies flush against the first plate body a raised edge or ridge is avoided behind which water and/or dirt could otherwise collect and accumulate.
  • the plate material according to the invention is characterized in that the end profile comprises a filter tape. Together with the end profile the filter tape is thus arranged in one action at the head end of the plate material. If, moreover, as mentioned above, a hermetical seal is already provided on the shoulder in the profile, all the finishing touches to the plate material can be performed in a particularly practical and effective manner.
  • a further particular embodiment of the plate material according to the invention is characterized in that the filter tape is arranged over the head end and that an elastic seal is provided between the filter tape and the end profile, the seal more in particular comprising a foam layer, which is provided as an at least partly covering top layer of the filter tape.
  • the filter tape is already provided with the later sealing with the end profile.
  • the filter tape is now first arranged at the head end and in particular slung around it in order to close off the cavity channels in a ventilating yet dustproof manner before arranging the end profile on top.
  • the sealing top layer of the filter tape provides for a hermetical sealing with the end profile so that contamination cannot enter in between and settle there.
  • the end profile comprises a monolithic body, in particular an extrusion body of aluminium or a plastic.
  • an extrusion body can be released from an endless extrusion profile at any desired length and can be produced on a large scale at low cost.
  • the invention also relates to an end profile of the type described above in an application in the plate material according to the invention and a unique filter tape which can be further applied advantageously.
  • the filter tape is characterized by a dustproof yet ventilating and draining filter system on a mechanical stable carrier, supporting a compressible sealing strip on opposite longitudinal edges.
  • the filter tape according to the invention is characterized in that the filter system comprises a hydrophilic gauze on a polyester carrier having a thickness in the range of 200-300 micron.
  • the gauze in particular comprises a nonwoven fabric with a suitable, sufficiently fine pore distribution, which is either of the same material as the carrier or not.
  • the mechanically stabile carrier also allows for other filter systems, such as for example a permeable membrane or a foam with an open pore structure which is deposited on the carrier.
  • filter systems such as for example a permeable membrane or a foam with an open pore structure which is deposited on the carrier.
  • a membrane direction can be given to a liquid transport through it, so that the entry of moisture from outside to the cavity channels can be prevented, or at least countered.
  • a further particular embodiment of the filter tape according to the invention is characterized in that the sealing strip comprises a foamed plastic, in particular a plastic selected from a group of polyethylene, polycholoroprene (neoprene) and poly- ethylene-propylene-diene (EPDM), and is arranged at a backside of the carrier.
  • a foamed plastic in particular a plastic selected from a group of polyethylene, polycholoroprene (neoprene) and poly- ethylene-propylene-diene (EPDM)
  • figure 1 a cross section of an example of an embodiment of multi-walled plate
  • figure 2 a longitudinal cross section at a head end of a first example of an embodiment of multi-walled plate material according to the invention
  • figure 3 a longitudinal cross section at a head end of a second example of an embodiment of multi-walled plate material according to the invention
  • figure 4 a longitudinal cross section at a head end of a third example of an
  • figure 5 a longitudinal cross section at a head end of a fourth example of an
  • figure 6A-C cross sections of different examples of embodiments of an end profile for use with a multi-walled plate material according to the invention
  • figure 7 a longitudinal cross section of an embodiment of a filter tape for use in an end profile according to the invention.
  • the plate material of figure 1 comprises a first plate body 1 and a second plate body 2, both made of a suitable transparent or translucent plastic such as polymethylmethacrylate (PMMA) or polycarbonate. Both plate bodies 1, 2 are kept at a mutual distance from each other by a set of partitions 3 extending in full longitudinal direction of the plate bodies and thus, in between, separating a number of parallel cavity channels 4 from each other.
  • PMMA polymethylmethacrylate
  • partitions 3 extending in full longitudinal direction of the plate bodies and thus, in between, separating a number of parallel cavity channels 4 from each other.
  • light-transmitting covering constructions such as conservatories, carports, rooflights and skylights.
  • both plate bodies are nevertheless somewhat permeable by water vapour. As a result moisture inevitably may form in the cavity channels.
  • the plate material is closed off at a head end, i.e. at the end where the cavity channels open, with a ventilating filter tape 10, which though permeable to water and water vapour, nevertheless merely comprises such fine pores that dust particles and pollen are stopped and are thus unable to enter into the cavity channels.
  • a filter tape used in practice and also applied above comprises a nonwoven gauze of polyester fibres.
  • the plate material according to the invention at the head end supports an end profile 20, in which a continuous ventilation duct 30 is situated extending transverse to the cavity channels, over the full length within, and separated from the cavity channels 4 by said filter tape 10. Accordingly a free ventilation and drainage from the cavity channels 4 via the ventilation duct is encouraged, while the filter tape 10, conversely, blocks dust particles and other breeding grounds for the growth of micro-organisms in the cavity channels. For an adequate drainage of the ventilation duct 30 drainage openings 35 are provided at regular points in a lowest wall of the ventilation duct 30.
  • the end profile 20 comprises an at least substantially shape- retaining body with at least one shoulder 21, 22 extending from an inner wall thereof.
  • an extruded body preferably of aluminium or a suitable plastic, which can be manufactured from one piece in any desired length and at relatively low production costs.
  • the shoulders 21, 22 constitute one monolithic whole with it and require no additional production steps.
  • the filter tape 10 is glued together on both sides with the shoulders 21, 22, so that the ventilation duct 30 is thus hermetically sealed.
  • the filter tape 10 is always, partly for the sake of clarity, reproduced as a single body, it is each time based advantageously on a complex filter tape as shown in figure 7.
  • This filter tape comprises a suitable filter system such as a nonwoven or other gauze 10 with a desired pore distribution which provides for the filtering properties on a mechanically stable carrier 11, such as for example a polyester film with a thickness in the range of 200-300 micron.
  • the carrier 11 is provided with relatively large, macroscopic perforations 15, for example with a diameter of a few millimetres, ensuring an adequate air transportation through the tape 10, 11.
  • beads 13 On both sides beads 13 have been arranged, either self-adhesive or not, made of a foamed plastic of a rubber, either natural or not, extending outside the gauze 10 in the range of a few millimetres, for example 2 millimetres, and overlapping the gauze to a comparable extent.
  • a foamed embodiment of polyethylene, polychloroprene (neoprene) and poly-ethylene- propylene-diene (EPDM) has proved to serve especially well in this context.
  • the beads or strips 13 ensure an adequate attachment and hermetical edge sealing of the filter tape which is affixed to the shoulders 21, 22 by means of the strips 13.
  • the filter tape is advantageously based on a gauze 10 with hydrophilic properties to thus guarantee an efficient and effective drainage of the cavity channels.
  • the end profile 20 abuts the head end of the plate material 1, 2 with both shoulders 21, 22. This affords a recognizable, namely tangible, end stop of the end profile indicating that this has been arranged in a correct manner.
  • the substantially U-shaped end profile thus never slides further over the head end so that the ventilation duct 30 remains available over the full breadth and continues to fulfil its ventilating function.
  • the shoulders 21, 22 also protect the relatively vulnerable filter tape 10 against a force thereupon by an unexpectedly sharp edge of the head end of the plate material.
  • a suitable seal 40 such as an elastic adhesive edge, a pressure sensitive viscous adhesive such as a hot-melt adhesive, a butyl paste, a foamed plastic, a rubber, either synthetic or not, between the shoulders 21,22 and both plate bodies 1,2 also in this case ensures a hermetical sealing guarding the cavity channels against an entry of dust particles and the like.
  • this adhesive edge 40 supports a durable attachment of the end profile 20 to the head end, which is furthermore achieved through an adequate gluing together of both free hanging walls 25, 26 (legs) of the U-profile 20 on both lateral edges of the main surfaces of the plate bodies 1,2, available for this purpose.
  • the seal 40 is advantageously already provided beforehand in the profile 20, so that for the final assembly or other finishing of the plate material 1, 2 it suffices to simply glue together the end profile on it.
  • Figure 3 shows a preferred embodiment of the end profile, which was described previously on the basis of figure 2.
  • the filter tape 10 is arranged on an outer side, i.e. a side facing the edges of the plate body 1,2, of the shoulders 21, 22.
  • This facilitates a sub-assembly of the end profile, which is provided with the filter tape 10 beforehand and has a sealing bead 40 arranged on it.
  • the rubbery sealing bead 40 protects the filter tape 10 which now comes more or less directly into contact with a possibly sharp edge of the plate material so that upon final assembly the filter tape will not be damaged by it.
  • the filter tape 10 extends across the entire surface of shoulder 21 to shoulder 22.
  • FIG. 4 features an example of this, which, instead of a U-shaped profile, is based on an end profile which is substantially L-shaped.
  • a hanging, relatively short first wall 25 lies at least almost flush against the first plate body 1 so that a raised edge or ridge 27, as is present on an opposite side of the plate material, is avoided on this side.
  • a longer hanging second wall 26 extends from the profile, which like in both previous examples of embodiments is glued together with a lateral edge of the main surface of the second plate body 2, available for this purpose.
  • the filter tape 10 is in this case diagonally stretched in the profile.
  • the tape 10 is attached at the shoulder 22 extending from the longer wall.
  • the filter tape 10 extends up into the angle with the opposite shorter wall to which the filter tape is also attached.
  • a sealing edge 40 of a suitable synthetic elastomer or natural rubber is also used in this case to guarantee a hermetical sealing of the cavity channels 4.
  • the filter tape 10 can also be arranged independently over the head end of the plate material, before arranging the end profile.
  • An example of such an embodiment is reproduced in figure 5.
  • the filter tape comprises a finely meshed non- woven or other gauze 10, see figure 7, with the desired filtering properties, on which, on a backside along both long edges, a narrow trail of a self-adhesive layer is arranged.
  • the filter tape 10 is, as reproduced, with the backside slung around the head end of the plate material and with the self-adhesive layer of glue attached to both main surfaces of it.
  • the filter tape On a visible side the filter tape comprises a top layer 12 with a compressible, sealing foam, such as for example polyurethane foam, or a synthetic or non-synthetic rubber.
  • a compressible, sealing foam such as for example polyurethane foam, or a synthetic or non-synthetic rubber.
  • foam layer can be provided over the entire surface of the filter tape, in which case an open cell structure is applied to maintain the desired ventilation and drainage through the tape, or else, such as here, only applied on an edge, releasing a freely filtering surface of the nonwoven fibre 11 in between and said requirement not needing to be set for the compressible layer 12.
  • FIG 6A-6C varying examples of embodiments of end profiles in cross section are reproduced such as they can be applied according to the invention in the previously described examples of embodiments of the plate material.
  • the profiles are immediately ready for use to be applied over the head end of the plate material. If desired, the profile only needs to be shortened to the desired length.
  • a protective sheet 50 of silicone paper or the like provided for this purpose protects the seal edge 40 provided in the profile to hermetically seal off on the plate material.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un matériau en plaques à parois multiples, comportant un premier corps (1) de plaque et un deuxième corps (2) de plaque, qui sont séparés l'un de l'autre par un système de cloisons (3) et qui renferment entre eux plusieurs conduits évidés (4). A l'extrémité de tête du matériau en plaques, les conduits évidés sont bouchés à proximité les uns des autres de manière perméable à l'aération et à l'eau, mais étanche à la poussière à l'aide d'un ruban filtrant (10). Un profilé (20) d'extrémité se situe à l'extrémité de tête du matériau en plaques, enveloppant une gaine continue (30) d'aération s'étendant dans une direction transverse aux conduits évidés et séparée des conduits évidés par le ruban filtrant. Le profilé d'extrémité comporte un corps qui conserve au moins sensiblement sa forme, qui est doté intérieurement, entre la gaine (30) d'aération et les conduits évidés (4), d'au moins un épaulement (21, 22), et contre lequel l'extrémité de tête prend directement ou indirectement appui.
PCT/NL2013/050372 2012-05-23 2013-05-22 Matériau en plaques à parois multiples et profilé d'extrémité ainsi que ruban filtrant pour celui-ci WO2013176543A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13729504.4A EP2855792B1 (fr) 2012-05-23 2013-05-22 Matériau en plaques à parois multiples et profilé d'extrémité pour celui-ci

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2008859A NL2008859C2 (nl) 2012-05-23 2012-05-23 Meerwandig plaatmateriaal en eindprofiel alsmede filterband daarvoor.
NL2008859 2012-05-23

Publications (1)

Publication Number Publication Date
WO2013176543A1 true WO2013176543A1 (fr) 2013-11-28

Family

ID=48628888

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2013/050372 WO2013176543A1 (fr) 2012-05-23 2013-05-22 Matériau en plaques à parois multiples et profilé d'extrémité ainsi que ruban filtrant pour celui-ci

Country Status (3)

Country Link
EP (1) EP2855792B1 (fr)
NL (1) NL2008859C2 (fr)
WO (1) WO2013176543A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3428363A1 (fr) * 2017-07-13 2019-01-16 Multifoil B.V. Materiau en forme de plaque à parois multiples et bande filtrante

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0920899A1 (fr) * 1997-11-25 1999-06-09 Harry George Rhodes Ensemble de filtration
US20020155250A1 (en) * 2001-04-23 2002-10-24 Park Lane Conservatories Ltd. Glazing panel closure
GB2412928A (en) * 2004-04-02 2005-10-12 Michael David Thompson Closure member for multi - wall sheeting
EP1598500A1 (fr) * 2004-05-19 2005-11-23 Mp Masterplast Int Llc Baguettes de bord profilées pour panneaux creux
EP2327844A2 (fr) 2009-10-15 2011-06-01 Harry Georges Rhodes Elément de couverture

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9211266D0 (en) * 1992-05-28 1992-07-15 Newdawn & Sun Ltd Apparatus and method for closing open ends in multi-wall structures
US5417743A (en) * 1994-01-21 1995-05-23 W. L. Gore & Associates, Inc. Self-adhesive vent filter and adsorbent assembly with a diffusion tube

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0920899A1 (fr) * 1997-11-25 1999-06-09 Harry George Rhodes Ensemble de filtration
US20020155250A1 (en) * 2001-04-23 2002-10-24 Park Lane Conservatories Ltd. Glazing panel closure
GB2412928A (en) * 2004-04-02 2005-10-12 Michael David Thompson Closure member for multi - wall sheeting
EP1598500A1 (fr) * 2004-05-19 2005-11-23 Mp Masterplast Int Llc Baguettes de bord profilées pour panneaux creux
EP2327844A2 (fr) 2009-10-15 2011-06-01 Harry Georges Rhodes Elément de couverture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3428363A1 (fr) * 2017-07-13 2019-01-16 Multifoil B.V. Materiau en forme de plaque à parois multiples et bande filtrante
NL2019243B1 (nl) * 2017-07-13 2019-01-30 Multifoil Bv Meerwandig plaatmateriaal en filterband

Also Published As

Publication number Publication date
NL2008859C2 (nl) 2013-11-26
EP2855792A1 (fr) 2015-04-08
EP2855792B1 (fr) 2017-08-23

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