EP0376386A1 - Method for the sealing of the openings in the surface of flat, layered synthetic material and foil for this purpose - Google Patents

Method for the sealing of the openings in the surface of flat, layered synthetic material and foil for this purpose Download PDF

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Publication number
EP0376386A1
EP0376386A1 EP89203261A EP89203261A EP0376386A1 EP 0376386 A1 EP0376386 A1 EP 0376386A1 EP 89203261 A EP89203261 A EP 89203261A EP 89203261 A EP89203261 A EP 89203261A EP 0376386 A1 EP0376386 A1 EP 0376386A1
Authority
EP
European Patent Office
Prior art keywords
foil
strip
openings
outer plates
opening
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
EP89203261A
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German (de)
French (fr)
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EP0376386B1 (en
Inventor
Johannes Wilhelmus Gerardus Hooft
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.)
Multifoil BV
Original Assignee
Multifoil BV
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Filing date
Publication date
Application filed by Multifoil BV filed Critical Multifoil BV
Priority to AT89203261T priority Critical patent/ATE72861T1/en
Publication of EP0376386A1 publication Critical patent/EP0376386A1/en
Application granted granted Critical
Publication of EP0376386B1 publication Critical patent/EP0376386B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
    • E04D3/06—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor

Definitions

  • the invention relates to a method for the sealing of the openings in the end surfaces of a sheet-shaped synthetic material consisting of two or more outer plates which are mainly flat and which are installed on partitions, which are placed on mainly even distance from one another and run along the total length of the material, more or less parallel.
  • Such plates of synthetic material are used, for instance as a covering for light streets etc.
  • the synthetic material which is then chosen is light permeable, like for instance the polycarbonates known as 'Lexan', 'Macrolon' and perspex.
  • the coverings then consist of one or more layers of adjoining, parallel grooves with a roughly rectang­ular diameter, lying between two outer plates.
  • the end openings of these are sealed with a material that is dust-proof, water-vapour permeable and ventilating.
  • a material that is dust-proof, water-vapour permeable and ventilating.
  • Such materials are known.
  • Certain so-called 'non-woven' synthetics meet the set demands. Then, such a material is put, as a foil, over the openings, so, that it is stuck against the outer plates, on both sides of the openings.
  • the invention is founded on the perception, that it is possible to make a sealing that combines the characteristics of a material like the non-woven synthetic mentioned, to the favourable mechanical properties, showing with foils of other materials like aluminum.
  • a simplification of the method according to the invention is achieved with another characteristic of it, by attaching the first foil, as a strip, over all openings.
  • a way of applying the method acc­ording to the invention is that two strips of the second foil are applied on both sides of the strip of the first foil, leaving uncovered a part along the middle of the first foil.
  • a further simplification, according to the invention is achieved, when before the foils are applied, the first foil is already put together with the second foil and, in this realisation of the method: is attached under the holes in the second foil, after which the whole is put over the openings.
  • Attaching the two foils to each other is realised by sticking them together, noting that when a second foil with holes is used, the holes need to be totally covered by the first foil.
  • the first foil of, for instance, non-woven synthetics, before the foil is put over the openings, respectively attached to the second foil(s), an anti-fungus and anti-algae agent is added, and the foil is then subject to a treatment that diminishes the size of the pores of the material sufficiently to meet the conditions required.
  • the invention also includes a foil material with which the methods mentioned are preferably realised.
  • a foil material is character­ized thus, that it consists of a strip of a first foil that is dust-­proof, water vapour permeable and ventilating, which strip is attached to a second strip, on both sides, along its entire length, partially overlapping this second strip of a foil that possesses the required mechanical properties. It is therefore a composite foil, that, viewed from above, consists of three paths of foil material, the first foil being in the middle.
  • the second foil is one whole sheet, featuring holes that are covered by the first strip and has a width, larger than the first strip and larger than the distance between the outer plates of the synthetic material. Thus it can be beaten around the edges of the outer plates.
  • the first foil consists of a non-woven synthetic and the second foil of aluminum, and in case the second foil is put on as one strip, the holes in that second foil are a row of grooves, length­wise behind each other.
  • a example of the foil sealing according to the invention is as follows.
  • the first foil was stuck, as a strip, to a second foil of aluminum with a thickness of about 40 ⁇ m and, including the adhesive, with a total thickness of about 60 ⁇ m- all these covered with siliconated paper or polyethylene foil on the sticky side.
  • the grooves, put in the middle in a row behind each other, the space between them about 5 mm, are about 2 cm long and about 3 mm wide.
  • Fig.2 shows in detail the foil material, of which the vapour-perme­able etc. foil 11 is put over the holes 10 in advance.
  • the width of the - second - foil 8 is larger than the distance between both outer plates 2 and 3, so that a border 9 over the outer plates is always possible. These edges 9 are attached (stuck) to the outer sides of the outer plates 2 and 3.
  • a combination of the first and second foil in the situation drawn - foil 8 is generally provided, on its back side, with an adhesive layer, over which for, protection, siliconated paper or a polyethylene foil is put, which can be pulled off.

Abstract

Method for the sealing of the openings (7) in the end surfaces (6) of a sheet-shaped synthetic material consisting of two or more outer plates (2, 3) which are mainly flat and which are installed on part­itions (4), which are placed on roughly even distance from one another and run along the total length of the material, more or less parallel, whereby over every opening (7) a dust-proof, water-vapour permeable and ventilating first foil (11) is put, and on top of that one or more strips of a second foil (8) are put, of which the edges (9) are beaten around the outer plates (2, 3), and which are fixed to these outer plates. This is done in such a way, that every opening (7) discharges, at least partially, under a part of the first foil (11) which is not covered by the second foil (8). The invention comprises the foil mater­ial to be used, preferably consisting of two strips of foils, fixed against each other before it is put over the openings (7).

Description

  • The invention relates to a method for the sealing of the openings in the end surfaces of a sheet-shaped synthetic material consisting of two or more outer plates which are mainly flat and which are installed on partitions, which are placed on mainly even distance from one another and run along the total length of the material, more or less parallel.
  • Such plates of synthetic material are used, for instance as a covering for light streets etc. The synthetic material which is then chosen is light permeable, like for instance the polycarbonates known as 'Lexan', 'Macrolon' and perspex. The coverings then consist of one or more layers of adjoining, parallel grooves with a roughly rectang­ular diameter, lying between two outer plates.
  • In order to prevent dampness, fungus etc. from penetrating the grooves, the end openings of these are sealed with a material that is dust-proof, water-vapour permeable and ventilating. Such materials are known. Certain so-called 'non-woven' synthetics meet the set demands. Then, such a material is put, as a foil, over the openings, so, that it is stuck against the outer plates, on both sides of the openings.
  • In actual practice, such a sealing does not suffice: the mechan­ical strength of the foil mentioned proves insufficient and it also proves to be impossible to stick the foil tight enough to the synthetic (outer plates).
  • The invention is founded on the perception, that it is possible to make a sealing that combines the characteristics of a material like the non-woven synthetic mentioned, to the favourable mechanical properties, showing with foils of other materials like aluminum.
  • The method for sealing the openings mentioned, according to the invention, is characterized in that a dust-proof, water-vapour perme­able and ventilating first foil is put over every opening, and that on top of that are put one or more strips of a second foil, the edges of which are beaten around the outer plates, and which are fixed to these outer plates. This is done in such a way, that every opening discharg­es, at least partially, under a part of the first foil which is not covered by the second foil.
  • According to a preferential realisation of the method of this invention, the first foil is put over at least a part of every opening, and on top of that one strip of the second foil is applied, provided with holes, placed in such a way, that after its attachment every open­ing discharges under at least one hole, and that the back side of every hole is covered totally by the first foil. A relatively wide strip of the second foil is stuck to the outer plates, for instance with an adhesive, put on the strip in advance. Of course, such an adhesive will be applied also where the second strip covers the ends of the part­itions, and where it lies over the first foil. The holes in the second foil are, for instance, grooves that lie in a row, in the middle of the strip.
  • A simplification of the method according to the invention is achieved with another characteristic of it, by attaching the first foil, as a strip, over all openings. A way of applying the method acc­ording to the invention is that two strips of the second foil are applied on both sides of the strip of the first foil, leaving uncovered a part along the middle of the first foil. A further simplification, according to the invention, is achieved, when before the foils are applied, the first foil is already put together with the second foil and, in this realisation of the method: is attached under the holes in the second foil, after which the whole is put over the openings.
  • Attaching the two foils to each other is realised by sticking them together, noting that when a second foil with holes is used, the holes need to be totally covered by the first foil.
  • In order to be sure that in the sealed canals no fungus and algae can thrive, to the first foil of, for instance, non-woven synthetics, before the foil is put over the openings, respectively attached to the second foil(s), an anti-fungus and anti-algae agent is added, and the foil is then subject to a treatment that diminishes the size of the pores of the material sufficiently to meet the conditions required.
  • The invention also includes a foil material with which the methods mentioned are preferably realised. Such a foil material is character­ized thus, that it consists of a strip of a first foil that is dust-­proof, water vapour permeable and ventilating, which strip is attached to a second strip, on both sides, along its entire length, partially overlapping this second strip of a foil that possesses the required mechanical properties. It is therefore a composite foil, that, viewed from above, consists of three paths of foil material, the first foil being in the middle.
  • In a preferred embodiment, the second foil is one whole sheet, featuring holes that are covered by the first strip and has a width, larger than the first strip and larger than the distance between the outer plates of the synthetic material. Thus it can be beaten around the edges of the outer plates.
  • Preferably, the first foil consists of a non-woven synthetic and the second foil of aluminum, and in case the second foil is put on as one strip, the holes in that second foil are a row of grooves, length­wise behind each other.
  • The invention also includes a sheet-shaped, synthetic construction as mentioned above, of which the end openings are sealed in a way and with a foil material as mentioned.
  • A example of the foil sealing according to the invention is as follows.
  • The openings in the end surface of a sheet-shaped construction of 'Lexan', as is meant here, were sealed with a first foil of a non-woven polyester with a weight of 25 g/m²; a pore size, that was reduced form about 80 µm to less than 35 µm, by means of after-binding and caland­ing, so that it was sufficiently dust-proof; a thickness of 0.17 mm and a vapour permeability of 550 liter/m²/sec.
  • The first foil was stuck, as a strip, to a second foil of aluminum with a thickness of about 40 µm and, including the adhesive, with a total thickness of about 60 µm- all these covered with siliconated paper or polyethylene foil on the sticky side. The grooves, put in the middle in a row behind each other, the space between them about 5 mm, are about 2 cm long and about 3 mm wide.
  • The sheet sealed thus was tested during seven days; at temper­atures of 20°C and 80°C the sheet was exposed to varying pulling strains, because of which a stretch of ½ %, respectively 1% was brought about. It was shown that the mechanical properties were not affected after the test, nor was the quality of the attachment of the aluminum to the Lexan. Also, the vapour permeability of the non-woven foil showed not to have been affected.
  • Also after a test during a month at a temperature of 40°C and in an atmosphere with a humidity of 100%, no decline of the essential properties was measured.
  • The invention will be further explained with the help of the draw­ing, in which:
    • Fig. 1 is a front view, in perspective, of a sheet-shaped construct­ion as meant in the example given, of which the openings in the end surface are sealed with a foil material according to the invention;
    • Fig. 2 is a view from above of the side of the foil material which is put over the openings when in use.
  • In Fig. 1, 1 is the sheet-shaped construction that consists of two outer plates 2 and 3, one on top, one on the bottom, with the part­itions 4 in between. The canals formed, 5, discharge in the end surface 6 with roughly rectangular openings 7. These openings 7 are sealed with a foil 8, for instance of aluminum, which is put over the openings 7 by beating the edges 9 around the outer plates 2 and 3, and then sticking them to these plates. This foil 8 contains holes 10, which in the given example are constructed as a row of grooves. The openings 7 of each of the canals 5 discharge under at least one of the holes 10.
  • Under each of the holes 10, and therefore over at least apart of every opening 7, lies a foil meeting the demands: dust-proof, vapour permeable and ventilating.
  • Fig.2 shows in detail the foil material, of which the vapour-perme­able etc. foil 11 is put over the holes 10 in advance. The width of the - second - foil 8 is larger than the distance between both outer plates 2 and 3, so that a border 9 over the outer plates is always possible. These edges 9 are attached (stuck) to the outer sides of the outer plates 2 and 3.
  • In order to simplify applying the foil - a combination of the first and second foil in the situation drawn - foil 8 is generally provided, on its back side, with an adhesive layer, over which for, protection, siliconated paper or a polyethylene foil is put, which can be pulled off.

Claims (12)

1. Method for the sealing of the openings (7) in the end surfaces (6) of a sheet-shaped synthetic material consisting of two or more outer plates (2, 3) which are mainly flat and which are installed on partitions (4), which are placed on roughly even distance from one another and run along the total length of the material, more or less parallel,
characterized in that a dust-proof, water-vapour permeable and vent­ilating first foil (11) is put over every opening (7), and that on top of that are put one or more strips of a second foil (8), the edges (9) of which are beaten around the outer plates (2, 3), and which are fixed to these outer plates, such that every opening (7) discharges, at least partially, under a part of the first foil (11) which is not covered by the second foil (8).
2. Method according to claim 1,
characterized in that the first foil (11) is put over at least a part of every opening (7), and that on top of that one strip of the second foil (8) is applied, provided with holes (10), placed in such a way, that after its attachment every opening (7) discharges under at least one hole (10), and that the back side of every hole (10) is covered totally by the first foil (11).
3. Method according to claim 1 or 2,
characterized in that the first foil (11) is a strip which is, lengthwise, applied over all openings (7).
4. Method according to claims 1 and 3,
characterized in that two strips of the second foil (8) are applied on both sides of the strip of the first foil (11), leaving uncovered a part along the middle of the first foil (11).
5. Method according to claims 1, 2, 3 or 4,
characterized in that before the foils (8 and 11) are put on the open­ings (7), the first (11) and second foil(s) (8) are put together, after which the whole is applied over the openings (7).
6. Method, according to one of the previous claims,
characterized in that before the first foil (11), or combination of foils, is applied over the openings (7), an anti-fungus and anti-algae agent is added.
7. Method according to one of the previous claims,
characterized in that the first foil (11) is a 'non-woven', which is subject to a treatment that diminishes its pore size.
8. Foil material for the realisation of the method according to one of the claims 4 through 7,
characterized in that it consists of a strip of a first foil (11) which is dust-proof, water vapour permeable and ventilating, which strip is attached to a strip of a second foil (8), on both sides, along its ent­ire length, partially overlapping this second strip, of which the mat­erial possesses the required mechanical properties.
9. Foil material for the realisation of the method according to one of the claims 1 through 3, respectively 5 through 8,
characterized in that it consists of a strip of a first foil (11) that is dust-proof, water vapour permeable and ventilating, which strip is attached to a strip of a second foil (8), which strip contains holes (10) that are covered by the first strip and which has a width, larger than the first strip and larger than the distance between the outer walls of the outer plates (2, 3) of the synthetic material.
10. Foil, according to one of claims 8 or 9,
characterized in that the first foil (11) consists of a so-called 'non-­woven' and the second foil (8) of aluminum.
11. Foil according to claims 9 or 10,
characterized in that the holes (10) in the second foil (8) are grooves, situated in a row in the middle.
12. Synthetic material, consisting of two or more outer plates (2, 3), which are mainly flat and which are installed on partitions (4), which are placed on a roughly even distance from one another and run along the total length of the material, more or less parallel, characterized in that the openings (10) in the end surfaces are sealed by means of a foil according to claims 8, 9, 10 or 11.
EP89203261A 1988-12-29 1989-12-20 Method for the sealing of the openings in the surface of flat, layered synthetic material and foil for this purpose Expired - Lifetime EP0376386B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89203261T ATE72861T1 (en) 1988-12-29 1989-12-20 METHOD OF SEALING THE OPENINGS IN THE EXTERIOR SURFACE OF A FLAT MULTILAYER PLASTIC MATERIAL AND FILM FOR SUCH PURPOSES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8803195 1988-12-29
NL8803195A NL8803195A (en) 1988-12-29 1988-12-29 METHOD FOR SEALING THE OPENINGS IN THE END SURFACE OF FLAT, LAYERED PLASTIC MATERIAL AND FOIL THEREFOR.

Publications (2)

Publication Number Publication Date
EP0376386A1 true EP0376386A1 (en) 1990-07-04
EP0376386B1 EP0376386B1 (en) 1992-02-26

Family

ID=19853452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89203261A Expired - Lifetime EP0376386B1 (en) 1988-12-29 1989-12-20 Method for the sealing of the openings in the surface of flat, layered synthetic material and foil for this purpose

Country Status (5)

Country Link
EP (1) EP0376386B1 (en)
AT (1) ATE72861T1 (en)
DE (1) DE68900878D1 (en)
ES (1) ES2029925T3 (en)
NL (1) NL8803195A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9200471A (en) * 1992-03-13 1993-10-01 Multifoil Bv Foil filter for dustproof, water-vapour-permeable and ventilating sealing of openings in a construction of plastic material.
EP0572260A1 (en) * 1992-05-28 1993-12-01 NEWDAWN & SUN LIMITED Closing edge faces of multi-layer panels
NL9302164A (en) * 1993-12-13 1995-07-03 Multifoil Bv Method and device for applying (ventilation) tape to the end of cavity plates.
EP0940517A1 (en) * 1998-03-05 1999-09-08 Everlite Concept SA Covering of polycarbonate
WO2000055447A1 (en) * 1999-03-17 2000-09-21 Ultraframe (Uk) Limited Installation of roofing panels
NL1013320C2 (en) * 1999-10-18 2001-04-19 Multifoil Bv Filter belt.
US6398830B1 (en) 1997-11-25 2002-06-04 Pal Adhesive Products Limited Filtration assembly
GB2412928A (en) * 2004-04-02 2005-10-12 Michael David Thompson Closure member for multi - wall sheeting
EP2927386A1 (en) 2014-04-02 2015-10-07 Multifoil B.V. Multi-walled plate material and sealing tape therefor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2207745A (en) * 1937-06-21 1940-07-16 Robert Mitchell Co Ltd Window frame construction
US3919023A (en) * 1973-09-24 1975-11-11 Ppg Industries Inc Multiple glazed unit
EP0052188A1 (en) * 1980-11-15 1982-05-26 Röhm Gmbh Profiled cover-strips for cavity panels
EP0202555A1 (en) * 1985-05-16 1986-11-26 Ppg Industries, Inc. Environmentally controlled breather insulated window unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2207745A (en) * 1937-06-21 1940-07-16 Robert Mitchell Co Ltd Window frame construction
US3919023A (en) * 1973-09-24 1975-11-11 Ppg Industries Inc Multiple glazed unit
EP0052188A1 (en) * 1980-11-15 1982-05-26 Röhm Gmbh Profiled cover-strips for cavity panels
EP0202555A1 (en) * 1985-05-16 1986-11-26 Ppg Industries, Inc. Environmentally controlled breather insulated window unit

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9200471A (en) * 1992-03-13 1993-10-01 Multifoil Bv Foil filter for dustproof, water-vapour-permeable and ventilating sealing of openings in a construction of plastic material.
EP0572260A1 (en) * 1992-05-28 1993-12-01 NEWDAWN & SUN LIMITED Closing edge faces of multi-layer panels
NL9302164A (en) * 1993-12-13 1995-07-03 Multifoil Bv Method and device for applying (ventilation) tape to the end of cavity plates.
EP0661407A1 (en) * 1993-12-13 1995-07-05 Multifoil B.V. Method and device for the application of (ventilation) tape to the top edges of cavity sheets
US6398830B1 (en) 1997-11-25 2002-06-04 Pal Adhesive Products Limited Filtration assembly
FR2775710A1 (en) * 1998-03-05 1999-09-10 Everlite Concept Sa POLYCARBONATE CASSETTE FOR COVERING OR WALL
EP0940517A1 (en) * 1998-03-05 1999-09-08 Everlite Concept SA Covering of polycarbonate
WO2000055447A1 (en) * 1999-03-17 2000-09-21 Ultraframe (Uk) Limited Installation of roofing panels
NL1013320C2 (en) * 1999-10-18 2001-04-19 Multifoil Bv Filter belt.
WO2001029345A1 (en) * 1999-10-18 2001-04-26 Multifoil B.V. Filter tape
GB2412928A (en) * 2004-04-02 2005-10-12 Michael David Thompson Closure member for multi - wall sheeting
GB2412928B (en) * 2004-04-02 2008-11-26 Michael David Thompson Closure member
EP2927386A1 (en) 2014-04-02 2015-10-07 Multifoil B.V. Multi-walled plate material and sealing tape therefor

Also Published As

Publication number Publication date
ATE72861T1 (en) 1992-03-15
DE68900878D1 (en) 1992-04-02
ES2029925T3 (en) 1992-10-01
NL8803195A (en) 1989-05-01
EP0376386B1 (en) 1992-02-26

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