EP0437810A1 - Light panel for polyurethane foamed roof elements - Google Patents

Light panel for polyurethane foamed roof elements Download PDF

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Publication number
EP0437810A1
EP0437810A1 EP90125178A EP90125178A EP0437810A1 EP 0437810 A1 EP0437810 A1 EP 0437810A1 EP 90125178 A EP90125178 A EP 90125178A EP 90125178 A EP90125178 A EP 90125178A EP 0437810 A1 EP0437810 A1 EP 0437810A1
Authority
EP
European Patent Office
Prior art keywords
light panel
light
roof elements
connection end
profiled
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
EP90125178A
Other languages
German (de)
French (fr)
Other versions
EP0437810B1 (en
Inventor
Ernst Voosen
Manfred Müller
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.)
Vaw Aluminium AG
Original Assignee
Vereinigte Aluminium Werke AG
Vaw Aluminium AG
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 Vereinigte Aluminium Werke AG, Vaw Aluminium AG filed Critical Vereinigte Aluminium Werke AG
Publication of EP0437810A1 publication Critical patent/EP0437810A1/en
Application granted granted Critical
Publication of EP0437810B1 publication Critical patent/EP0437810B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
    • E04D3/28—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of glass or other translucent material
    • 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
    • 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
    • E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
    • E04D3/28—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of glass or other translucent material
    • E04D2003/285—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of glass or other translucent material with specially profiled marginal portions for connecting purposes

Definitions

  • the invention relates to a light element for foamed polyurethane roof elements, preferably in cross-sectional shape with or without a top layer according to DIN 18 164 and DIN 4102.
  • Such roof elements are made of hard or soft foam and can be provided with an aluminum, steel or plastic cover. For the introduction of translucent areas, these roof elements are cut out at the desired location and profiled light panels are used for rainproofing and double-wall panels for thermal insulation.
  • Fig. 1 the three horizontal layers 1, 2, 3 of a trapezoidal light element are shown. They are kept at a distance by a plurality of vertical support ribs 9 (a - x). At one connection end A to the adjacent light element or other roof panels there is a recess 4 on the upper edge of the trapezoidal wall 5 falling towards the center of the panel.
  • connection side B On the opposite connection side B there is an elastic sealing lip 8 at the lower end of the trapezoidal overlapping hook 7 and the trapezoidal wall 6 falling towards the center of the plate.
  • Fig. 2 the adjacent plates 10, 11 are shown in detail at the joint 12. It can be seen that between the overlapping hook 13 and the step incorporated into the trapezoid wall 16 there is a chamber 14 for interrupting the capillary forces. On the underside 17-18 of the plates 10, 11, the sealing function is fulfilled by the elastic lip 15.
  • covers with a wide span are possible in a self-supporting design.
  • a typical application is that 5 support ribs are arranged on a 600 mm span.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

1. Light panel for polyurethane foamed roof elements, preferably in the cross-sectional shape of a trapezium with or without a covering layer according to DIN 18 164 and DIN 4102. 2.1 The roof elements produced from rigid or flexible form can be provided with an aluminium, steel or plastic covering. To introduce translucent regions, they are cut out at the desired point and profiled light slabs for sealing against rain and double-web slabs for heat insulation are inserted therein. In this method, leaks occur in the joint region. Even if additional sealing materials are used, small quantities of water are able to penetrate after a while as a result of capillary forces. Furthermore, there is the disadvantage that the profiled and insulated light panels consist of two parts. 2.2 A light panel with a high insulating action and at the same time absolute raintightness is to be produced. The light panel is characterised in that it is provided as a three-layered, loadbearing building element with a recess (4) in the form of a step on a supporting rib (5), descending towards the centre of the slab, of the trapezium element arranged at the connection end A and with a sealing lip (8) at the opposite connection end B. 2.3 The light panel is used for large-span roof coverings of self-supporting design. <IMAGE>

Description

Die Erfindung betrifft ein Lichtelement für geschäumte Polyurethan-Dachelemente vorzugsweise in Traperquerschnittsform mit oder ohne Deckschicht gemäß DIN 18 164 und DIN 4102.The invention relates to a light element for foamed polyurethane roof elements, preferably in cross-sectional shape with or without a top layer according to DIN 18 164 and DIN 4102.

Derartige Dachelemente werden aus Hart- oder Weichschaum hergestellt und können mit einer Aluminium-, Stahl- oder Kunststoffabdeckung versehen sein. Für das Einbringen lichtdurchlässiger Bereiche werden diese Dachelemente an der gewünschten Stelle ausgeschnitten und darin profilierte Lichtplatten zur Regenabdichtung und Doppelstegplatten zur Wärmedämmung eingesetzt.Such roof elements are made of hard or soft foam and can be provided with an aluminum, steel or plastic cover. For the introduction of translucent areas, these roof elements are cut out at the desired location and profiled light panels are used for rainproofing and double-wall panels for thermal insulation.

Bei der Anwendung dieser Methode hat sich gezeigt, daß im Fugenbereich Undichtigkeiten auftreten. Auch bei der Verwendung zusätzlicher Dichtungsmaterialien können nach einiger Zeit durch Kapillarkräfte geringe Wassermengen eintreten. Ferner besteht der Nachteil, daß die profilierten und gedämmten Lichtelemente aus zwei Teilen bestehen.When using this method, it has been shown that leaks occur in the joint area. Even when using additional sealing materials, small amounts of water can enter after a while due to capillary forces. There is also the disadvantage that the profiled and insulated light elements consist of two parts.

Aufgabe der vorliegenden Erfindung ist es, die erwähnten Nachteile zu vermeiden und ein Lichtelement mit hoher Isolierwirkung und gleichzeitig absoluter Regendichtigkeit herzustellen.The object of the present invention is to avoid the disadvantages mentioned and to produce a light element with a high insulating effect and at the same time absolute rainproofness.

Die Aufgabe wird durch die in den Patentansprüchen angegebenen Merkmale gelöst. Es hat sich gezeigt, daß ein dreischichtiges profiliertes Lichtelement die Anforderungen an die Wärmedämmung einerseits und durch entsprechende konstruktive Ausbildung mittels Dichtlippe die Anforderungen an die Regendichtigkeit andererseits erfüllt. Im folgenden wird die Erfindung anhand mehrerer Ausführungs-beispiele näher erläutert. Es zeigen:

  • Fig. 1 = Lichtelement in dreischichtigem Aufbau mit einseitiger Profilierung,
  • Fig. 2 = Querschnitt in der Längsfuge zweier benachbarter Lichtelemente.
The object is achieved by the features specified in the patent claims. It has been shown that a three-layer profiled light element on the one hand meets the requirements for thermal insulation and, on the other hand, by means of appropriate structural training by means of a sealing lip, the requirements for rainproofness. The invention is explained in more detail below with the aid of several exemplary embodiments. Show it:
  • 1 = light element in a three-layer structure with one-sided profiling,
  • Fig. 2 = cross section in the longitudinal joint of two adjacent light elements.

In Fig. 1 sind die drei horizontal verlaufenden Schichten 1, 2, 3 eines trapezförmigen Lichtelementes dargestellt. Sie werden durch eine Vielzahl von vertikalen Stützrippen 9 (a - x) auf Abstand gehalten. An dem einen Anschlußende A zum benachbarten Lichtelement oder anderen Dachplatten befindet sich eine Vertiefung 4 an der oberen Kante der zur Plattenmitte hin abfallenden Trapezwand 5.In Fig. 1, the three horizontal layers 1, 2, 3 of a trapezoidal light element are shown. They are kept at a distance by a plurality of vertical support ribs 9 (a - x). At one connection end A to the adjacent light element or other roof panels there is a recess 4 on the upper edge of the trapezoidal wall 5 falling towards the center of the panel.

An der gegenüberliegenden Anschlußseite B befindet sich am unteren Ende des trapezförmig übergreifenden Hakens 7 und der zur Plattenmitte hin abfallenden Trapezwand 6 eine elastische Dichtlippe 8.On the opposite connection side B there is an elastic sealing lip 8 at the lower end of the trapezoidal overlapping hook 7 and the trapezoidal wall 6 falling towards the center of the plate.

In Fig. 2 sind die benachbarten Platten 10, 11 an der Stoßstelle 12 ausschnittsweise dargestellt. Es ist erkennbar, daß sich zwischen dem übergreifenden Haken 13 und der in die Trapezwand 16 eingearbeiteten Stufe eine Kammer 14 zur Unterbrechung der Kapillarkräfte befindet. An der Unterseite 17 - 18 der Platten 10, 11 wird die Dichtungsfunktion durch die elastische Lippe 15 erfüllt.In Fig. 2, the adjacent plates 10, 11 are shown in detail at the joint 12. It can be seen that between the overlapping hook 13 and the step incorporated into the trapezoid wall 16 there is a chamber 14 for interrupting the capillary forces. On the underside 17-18 of the plates 10, 11, the sealing function is fulfilled by the elastic lip 15.

Insgesamt wird die Aufgabenstellung durch folgende Kombination gelöst:

  • 1. Formschlüssige Verbindung der benachbarten Elemente 10, 11
  • 2. Passive (Kammer 14) und aktive (Dichtlippe 15) Dichtungsfunktion.
  • 3. Formstabilität durch 3 Schichtenaufbau mit Versteifung durch Stützrippen 9 (a - x)
Overall, the task is solved by the following combination:
  • 1. Positive connection of the adjacent elements 10, 11
  • 2. Passive (chamber 14) and active (sealing lip 15) sealing function.
  • 3. Dimensional stability due to 3 layer structure with reinforcement by support ribs 9 (a - x)

Mit dem erfindungsgemäßen Lichtelement sind Eindeckungen mit hoher Spannweite in selbsttragender Ausführung möglich. Ein typischer Anwendungsfall besteht darin, daß 5 Stützrippen auf 600 mm Spannweite angeordnet sind.With the light element according to the invention, covers with a wide span are possible in a self-supporting design. A typical application is that 5 support ribs are arranged on a 600 mm span.

Claims (4)

Lichtelement für geschäumte Polyurethan-Dachelemente, insbesondere in Trapezquerschnittsform, dadurch gekennzeichnet, daß es als dreischichtiges, tragendes Bauelement mit einer Vertiefung in Form einer Stufe an einer zur plattenmitte hin abfallenden Stützrippe des am Anschlußende A angeordneten Trapezelementes und mit einer Dichtungslippe (8) an dem gegenüberliegenden Anschlußende B ausgerüstet ist.Light element for foamed polyurethane roof elements, in particular in the form of a trapezoidal cross section, characterized in that it is a three-layer, load-bearing component with a recess in the form of a step on a supporting rib of the trapezoidal element arranged at the connection end A and with a sealing lip (8) on the opposite connection end B is equipped. Lichtelement nach Anspruch 1, dadurch gekennzeichnet, daß die Vertiefung zwischen zwei benachbarten Elementen als Kammer (14) ausgebildet ist zur Unterbrechung der Kapillarkräfte.Light element according to claim 1, characterized in that the recess between two adjacent elements is designed as a chamber (14) for interrupting the capillary forces. Lichtelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Dichtlippe (15) an einer Einschnürung (19) des Anschlußendes (B) angeformt ist.Light element according to one of the preceding claims, characterized in that a sealing lip (15) is formed on a constriction (19) of the connection end (B). Lichtelement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die eine Wand der Kammer (14) von einem übergreifenden Haken (13) gebildet wird.Light element according to one of the preceding claims, characterized in that the one wall of the chamber (14) is formed by an overlapping hook (13).
EP90125178A 1990-01-16 1990-12-21 Light panel for polyurethane foamed roof elements Expired - Lifetime EP0437810B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4000955 1990-01-16
DE4000955A DE4000955C2 (en) 1990-01-16 1990-01-16 Light element for foamed polyurethane roof elements

Publications (2)

Publication Number Publication Date
EP0437810A1 true EP0437810A1 (en) 1991-07-24
EP0437810B1 EP0437810B1 (en) 1993-07-21

Family

ID=6398089

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90125178A Expired - Lifetime EP0437810B1 (en) 1990-01-16 1990-12-21 Light panel for polyurethane foamed roof elements

Country Status (5)

Country Link
EP (1) EP0437810B1 (en)
AT (1) ATE91743T1 (en)
DE (2) DE4000955C2 (en)
DK (1) DK0437810T3 (en)
ES (1) ES2044393T3 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9115940U1 (en) * 1991-12-21 1992-02-20 Roehm Gmbh, 6100 Darmstadt, De
WO1999013179A1 (en) * 1997-09-09 1999-03-18 Ultraframe (Uk) Limited Building elements
GB2362180A (en) * 1999-12-17 2001-11-14 Xtralite Ind Rooflights Ltd Roofing panel incorporating an indented, light transmitting area
EP1447492A1 (en) * 2003-02-13 2004-08-18 General Electric Company Extruded transparent/translucent sheet for roof structures
GB2413808A (en) * 2004-05-07 2005-11-09 Kingspan Res & Dev Ltd Translucent roof panel
FR2976843A1 (en) * 2011-06-27 2012-12-28 Ds Smith Kaysersberg Plate i.e. alveolar-type panel, for use as e.g. partition of building, has protrusion element formed as blades or bead and forming seal in connection between side edges that form female and male connection elements, respectively
EP2444568A3 (en) * 2010-10-25 2014-07-02 Rodeca GmbH Building element

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1139956Y (en) * 2015-04-30 2015-09-03 Mayoral Jorge Guzman Modular polycarbonate panel for roofs in buildings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982004277A1 (en) * 1981-06-05 1982-12-09 Johansson Bernt Torsten Covering panel for roofs and outside walls of buildings
FR2508555A3 (en) * 1981-06-30 1982-12-31 Cerana & C Sas Roof-light panels with three layers of glazing and integral spacer rib - pref. made of extruded polycarbonate
GB2147926A (en) * 1983-10-14 1985-05-22 Brooks Accrington Limited Cladding panel
GB2177134A (en) * 1985-07-04 1987-01-14 Ariel Plastics Ltd Corrugated roofs with translucent areas
DE3832995A1 (en) * 1987-10-06 1989-11-23 Herbert Buessgen Two-shell panel element for trapezoidal-sheet roof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7425608U (en) * 1974-11-07 Alcan Aluminiumwerke Gmbh Roll-formed, plate-shaped profiles for cladding surfaces such as roofs or walls
DE1814505A1 (en) * 1968-12-13 1970-07-02 Armco Steel Corp Plate or board with folded edges
DE3237331A1 (en) * 1982-10-08 1984-04-12 Bemo Elementbau AG, 8134 Adliswil Roof-covering or wall-lining element
DE8709349U1 (en) * 1987-07-07 1987-08-20 Helge, Hans Heinz, Dison, Be

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982004277A1 (en) * 1981-06-05 1982-12-09 Johansson Bernt Torsten Covering panel for roofs and outside walls of buildings
FR2508555A3 (en) * 1981-06-30 1982-12-31 Cerana & C Sas Roof-light panels with three layers of glazing and integral spacer rib - pref. made of extruded polycarbonate
GB2147926A (en) * 1983-10-14 1985-05-22 Brooks Accrington Limited Cladding panel
GB2177134A (en) * 1985-07-04 1987-01-14 Ariel Plastics Ltd Corrugated roofs with translucent areas
DE3832995A1 (en) * 1987-10-06 1989-11-23 Herbert Buessgen Two-shell panel element for trapezoidal-sheet roof

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9115940U1 (en) * 1991-12-21 1992-02-20 Roehm Gmbh, 6100 Darmstadt, De
WO1999013179A1 (en) * 1997-09-09 1999-03-18 Ultraframe (Uk) Limited Building elements
AU727332B2 (en) * 1997-09-09 2000-12-07 Ultraframe (Uk) Limited Building elements
GB2362180A (en) * 1999-12-17 2001-11-14 Xtralite Ind Rooflights Ltd Roofing panel incorporating an indented, light transmitting area
EP1447492A1 (en) * 2003-02-13 2004-08-18 General Electric Company Extruded transparent/translucent sheet for roof structures
US6931796B2 (en) 2003-02-13 2005-08-23 General Electric Extruded transparent/translucent sheet for roof structures
GB2413808A (en) * 2004-05-07 2005-11-09 Kingspan Res & Dev Ltd Translucent roof panel
WO2005108707A2 (en) * 2004-05-07 2005-11-17 Kingspan Research And Developments Limited A translucent roof panel
WO2005108707A3 (en) * 2004-05-07 2006-04-06 Kingspan Res & Dev Ltd A translucent roof panel
GB2413808B (en) * 2004-05-07 2009-05-06 Kingspan Res & Dev Ltd A translucent roof panel
EP2444568A3 (en) * 2010-10-25 2014-07-02 Rodeca GmbH Building element
FR2976843A1 (en) * 2011-06-27 2012-12-28 Ds Smith Kaysersberg Plate i.e. alveolar-type panel, for use as e.g. partition of building, has protrusion element formed as blades or bead and forming seal in connection between side edges that form female and male connection elements, respectively

Also Published As

Publication number Publication date
ES2044393T3 (en) 1994-01-01
DE4000955A1 (en) 1991-07-18
ATE91743T1 (en) 1993-08-15
EP0437810B1 (en) 1993-07-21
DE59002031D1 (en) 1993-08-26
DK0437810T3 (en) 1993-10-11
DE4000955C2 (en) 2002-01-10

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