EP0891637A1 - Bottom lining element for a flat, panel-shaped building element - Google Patents

Bottom lining element for a flat, panel-shaped building element

Info

Publication number
EP0891637A1
EP0891637A1 EP97918059A EP97918059A EP0891637A1 EP 0891637 A1 EP0891637 A1 EP 0891637A1 EP 97918059 A EP97918059 A EP 97918059A EP 97918059 A EP97918059 A EP 97918059A EP 0891637 A1 EP0891637 A1 EP 0891637A1
Authority
EP
European Patent Office
Prior art keywords
lower deck
deck element
eaves
edge
raised bead
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.)
Withdrawn
Application number
EP97918059A
Other languages
German (de)
French (fr)
Inventor
Manfred Rinklake
Norbert Rösler
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.)
Monier Roofing Components GmbH
Original Assignee
Braas GmbH
Lafarge Braas Roofing Accessories GmbH and Co KG
Monier Roofing Components GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Braas GmbH, Lafarge Braas Roofing Accessories GmbH and Co KG, Monier Roofing Components GmbH filed Critical Braas GmbH
Publication of EP0891637A1 publication Critical patent/EP0891637A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/36—Devices for sealing the spaces or joints between roof-covering elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the invention relates to a lower deck element for a flat plate-shaped component, in particular for a photovoltaic module, which can be fastened to a sloping roof with support elements that can be laid in the first eaves direction.
  • a photovaltaic system in which photovoltaic modules are arranged in a scale-like manner in the longitudinal direction of the roof.
  • the ridge eaves line is referred to below as the longitudinal direction and a parallel to the ridge or eaves as the transverse direction.
  • wooden profiles laid in the first eaves direction are provided, which rest on their ridge-side end on a roof batten and on their eave-side end on a wooden batten laid parallel to a roof batten on this.
  • the wooden slat protrudes over the top edge of the roof slat by approximately the thickness of the photovoltaic module.
  • the wooden profiles have a recess running in the longitudinal center on their surface, so that when arranged at the edges of two butt-jointing photovoltaic modules, this serves to drain water that has penetrated into the gap.
  • the disadvantage of this system is that additional wooden slats have to be laid parallel to the roof battens and that additional storm hooks are required for fastening around the edge of the photovoltaic modules on the eaves side.
  • the invention has for its object to ensure the seal for a component system, in particular a photovoltaic system, in which the components butt in the transverse direction butt and adjacent roof tiles, partially overlap in the longitudinal direction and are laid on support elements that are at a distance from one another Butt joint.
  • the object is achieved in that the lower deck element consists of waterproof material and is profiled in such a way that at least one raised bead extending in the first eaves direction is provided, which is able to accommodate a carrier element, and that at least one watercourse is provided, which under the Longitudinal edge of the plate-shaped component can be arranged.
  • the support elements are laid about lines that touch the quarter points of the components, so that the transverse distance between two support elements corresponds to half the width of a component. It is therefore advantageous to provide lower deck elements in approximately half the width of the components.
  • lower deck elements with an external dimension of 42.1 cm x 64.4 cm are particularly suitable.
  • the width dimension which is larger than half the width, results from the fact that two adjacent lower deck elements are laid overlapping at their edges. A protrusion in the longitudinal direction enables favorable air flow on the underside of the photovoltaic modules.
  • a lower deck element does not have to absorb any supporting forces, so that it can consist of thin-walled, corrosion-resistant material, preferably of plastic.
  • the lower deck element can, for example, be produced from a plastic film using the deep-drawing process.
  • reinforcement is recommended in the area of the watercourse, which can be formed, for example, in the form of a channel or trough as a separate component.
  • the lower deck element can lie on the upper side of the support element and protect the underside of the component if the lower cover element has an opening at least in the area of the eaves-side end section of the raised bead receiving the support element, through which a receptacle of the
  • Carrier element for the plate-shaped component can be inserted.
  • a tight, laterally overlapping laying of the lower deck elements is possible if at least one raised bead is provided in the area of both longitudinal edges, the raised bead on one edge being able to accommodate the raised bead on the other edge of an adjacent, similar lower deck element.
  • the raised bead is preferably narrow on one edge and so wide on the other edge that the narrow raised bead covered by the wide raised bead can be displaced transversely. This makes it easy to compensate for dimensional deviations when laying.
  • Roofing slab adjacent to the lower deck element can be moved in the transverse direction by the width of the water rebate to the adjacent lower deck element.
  • the receiving raised beads are at least wider than the raised bead or the carrier element by at least the width of the water rebate of a roof covering plate.
  • the lower deck element can seal the edge region of a component lying on the water rebate of an adjacent roof covering panel particularly well if the edge section of the longitudinal edge adjacent to the receiving raised bead is as wide as the water rebate of a roof covering panel.
  • the edge section of the lower deck element can be positioned below the water rebate.
  • the receiving raised bead on one longitudinal edge and the watercourse on the opposite longitudinal edge can be designed to be approximately complementary to one another if the watercourse is formed adjacent to the raised bead to be received.
  • the lower deck element can not only drain water that has penetrated, but can also have a favorable effect on the ventilation underneath the components if the longitudinal edges and the eaves-side edge of the lower deck element run at the height of the deep areas and the ridge-side edge at the height of the raised beads.
  • Targeted ventilation should be aimed for in order to direct a cooling air flow along the underside of a photovoltaic module. This prevents excessive heating and the associated reduction in performance of a photovoltaic module, especially in midsummer.
  • the heated air flowing out at the ridge-side edge is guided along the underside of the following lower deck element, so that heated air no longer comes into contact with further photovoltaic modules until the ridge escapes.
  • a lower deck element is longer than a photovoltaic module. The lower deck element projects beyond the ridge-side edge of the photovoltaic module, so that the air that has entered at the eaves-side edge can flow out to the ridge.
  • the laying of the lower deck elements and the support elements is simplified if at least one hook-in lug is provided on the ridge-side edge for hanging the lower deck element on a roof batten or the like.
  • the lower deck element is adjusted in the longitudinal direction to the ridge-side upper edge of the roof batten. Is the distance between the
  • Hooking nose and the eaves-side edge equal to the distance between the hooking nose and the eaves-side edge of an adjacent roofing slab results for the Lower deck elements according to the invention have the same geometrical position as for the neighboring roofing panels regardless of the actual spacing of the roof battens. This can vary from roof to roof due to the fact that the roof covering slabs overlap depending on the roof pitch.
  • Fig. 4 shows the lower deck element from Fig. 2 in the front view from the eaves side
  • Fig. 5 shows the Unterdeckeleraent from Fig. 2 in side view
  • Fig. 6 the roof of Fig. 1 in the eaves-parallel section VI-VI with a view from the eaves to the ridge.
  • Fig. 1 shows lower deck elements 10 on a sloping roof partially covered with flat roof covering panels 12 made of concrete in staggered rows 14, 16, 18 in a top view schematically in the construction state. Photovoltaic modules 20, 22, 24, 26 are shown on the roof. In the second row 16, lower deck elements 10 are shown in an area not covered with photovoltaic modules, and in the row 18 above, support elements 28 are shown in a first construction state. The lower deck elements 10 lie after this Installation under the photovoltaic modules and above the support elements that support the photovoltaic modules.
  • the lower deck elements 10 have approximately half the width of a photovoltaic module 20, 22, 24, 26 and each have a trough-shaped watercourse 30 on their edge shown on the left in FIG. 1.
  • the photovoltaic modules 20, 22 laid next to one another in the bottom row 14 meet butt against each other. At its other end, the photovoltaic module 22 rests on the water course of the adjacent roof covering plate 12, while the photovoltaic module 20 abuts the cover fold of the roof covering plate 12 adjacent to it.
  • Fig. 2 shows a lower deck element 10 according to the invention in plan view. This consists of deep-drawn plastic film. With external dimensions of 42.1 cm x 64.4 cm x 1.3 cm, the lower deck element 10 is suitable for a photovoltaic module of 38 cm x 120 cm, with two lower deck elements 10 to be laid side by side under a photovoltaic module. On the left side in FIG. 2, a water course 30 designed as a wide deep bead is provided, while on the right side there is a wide raised bead 32.
  • a narrow double raised bead 34 is attached, which is adapted to the lower contour of the top fold of a roof covering plate 12 and can be received by the wide raised bead 32 of an adjacent lower deck element.
  • a wide central raised bead 36 is provided for receiving a carrier element which carries the component or the photovoltaic module.
  • a narrow raised bead 38 forms the inner edge of the watercourse.
  • Ridges 32, 34, 36 and 38 run lengthways, i.e. on the roof in the direction from the ridge to the eaves. Between the beads 38 and 36 as well as 36 and 32 there are deep areas 40 and 42, respectively, which are provided with stiffening ribs which are arranged in the transverse direction and do not extend over the entire width of a deep area 40, 42. At the eaves-side edge of the deep areas 40, 42 there are two rows of bumps 44 and 46, respectively, which form vortex chambers. A hook-in nose 48, 50 is provided on the ridge-side edge of each deep region 40, 42.
  • 3 to 5 illustrate the position and arrangement of the raised beads 32, 34, 36 and 38 described above, the watercourse 30, the deep areas 40, 42, the bumps 44 and 46 and the hooking noses 48 and 50.
  • Fig. 3 is a reinforcing under the watercourse
  • Component 52 here a gutter made of sheet metal, shown.
  • the side walls of this channel protrude into the raised beads 32 and 38.
  • a rag is bent downward, so that the reinforcing component 52 can also be hung on a roof batten.
  • FIG. 6 shows row 14 of the roof from FIG. 1 in section VI-VI parallel to the eaves and looking from the eaves to the ridge.
  • the first roof covering plate 12 is located on the left, which has an elevated cover fold 54 on the right side.
  • the first roof covering plate 12 is followed by a first lower cover element 10, which, with its narrow raised bead 34 running on the left longitudinal edge, bears against the underside of the cover fold 54 of the first roof covering plate 12, while the free longitudinal edge of the cover fold 54 lies above the
  • Water course 30 of the first lower deck element 10 is arranged.
  • the first lower deck element 10 is penetrated approximately centrally in its transverse direction by a first support element 28 fastened to a roof batten 56, which in a raised bead 36 in approximately in the middle of the lower deck element 10
  • Transverse direction is slidably received.
  • the first lower deck element 10 covers that on the left longitudinal edge extending narrow raised bead 34 of a second lower deck element 10, which is fastened in the same way with a second carrier element 28.
  • the second lower deck element 10 was pulled to the right when laying in the eaves parallel direction, so that its narrow raised bead 34 received by the wide raised bead 32 of the first lower deck element 10 directly on the right side surface of the wide raised bead 32 of the first lower deck element 10 is present.
  • the first photovoltaic module 20 is arranged on the two carrier elements 28 and abuts the cover fold 54 of the first roof covering plate 12 on the left and the adjacent second photovoltaic module 22 on the right.
  • a third lower deck element 10 is laid in the manner described above.
  • the joint of the photovoltaic modules 20, 22 is arranged above the watercourse 30 of the third lower deck element 10.
  • a fourth lower deck element 10 is laid, similar to the manner described above, which, with its wide raised bead 32 running on the right longitudinal edge, abuts the deep water fold 58 of the second roof covering plate 12 on the left-hand side.
  • the third and fourth lower deck element 10 are covered by the second photovoltaic module 22.
  • the required covering width of the fourth lower deck element 10 is smaller by the width of the water fold 58 of the second roof covering plate 12 than with maximum stretch .
  • the fourth lower deck element 10 has therefore been moved to the left by the width of the water fold 58 in the direction parallel to the eaves, so that its narrow raised bead 34 received by the wide raised bead 32 of the third lower deck element 10 abuts directly on the left side surface of the wide raised bead 32 of the third lower deck element 10.
  • the central raised bead 36 of the fourth lower deck element 10 receiving the carrier element 28 has shifted relative to the carrier element 28.
  • the design according to the invention of the lower deck elements 10 thus enables the deck width of a lower deck element 10 to be adapted to the respective structural conditions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Photovoltaic Devices (AREA)

Abstract

A bottom lining element (10) for a flat, panel-shaped building element is disclosed, in particular for a photovoltaic module (20, 22, 24, 26) that may be secured on a pitched roof by supporting elements (28) which may be laid in the ridge-eaves direction. The bottom lining element should seal building element systems in which the building elements are butt jointed in the transverse direction and abut adjacent roofing tiles, partially overlap in the longitudinal direction and are laid on supporting elements spaced apart from a cross joint. The bottom lining element (10) is made of a waterproof material and is profiled in such a way that at least one projecting bead (36) which can receive a supporting element (28) is provided in the ridge-eaves direction. At least one water channel (30) may be arranged under the longitudinal edge of the panel-shaped building element.

Description

B e s c h r e i b u n g Description
Unterdeckelement für ein flaches plattenförmiges BauelementLower deck element for a flat plate-shaped component
Die Erfindung betrifft ein Unterdeckelement für ein flaches plattenförmiges Bauelement, insbesondere für ein photovoltaisches Modul, das auf einem Schrägdach mit in First- Trauf-Richtung verlegbaren Trägerelementen befestigbar ist.The invention relates to a lower deck element for a flat plate-shaped component, in particular for a photovoltaic module, which can be fastened to a sloping roof with support elements that can be laid in the first eaves direction.
Aus der DE 94 09 453.9 Ul ist ein photovaltaisches System bekannt, bei dem photovoltaische Module in Längsrichtung des Daches schuppenartig überdeckend angeordnet sind. Als Längsrichtung wird nachfolgend die Linie First-Traufe, als Querrichtung eine Parallele zum First oder zur Traufe bezeichnet. Als Trägereleraente sind in First-Trauf-Richtung verlegte Holzprofile vorgesehen, die an ihrem firstseitigen Ende auf einer Dachlatte und an ihrem traufseitigen Ende auf einer parallel zu einer Dachlatte an dieser angrenzend verlegten Holzlatte aufliegen. Die Holzlatte ragt über die Oberkante der Dachlatte um annähernd die Dicke des photovoltaischen Moduls hinaus. Die Holzprofile weisen auf ihrer Oberfläche eine in Längsmitte verlaufende Vertiefung auf, so daß diese bei Anordnung an den Rändern zweier stumpf aneinanderstoßender photovoltaischer Module zur Ableitung von in den Spalt eingedrungenem Wasser dient. Nachteilig ist bei diesem System, daß parallel zu den Dachlatten zusätzliche Holzlatten verlegt werden müssen und daß zusätzliche den traufseitigen Rand der photovoltaischen Module umgreifende Sturmhaken zur Befestigung erforderlich sind.From DE 94 09 453.9 U1 a photovaltaic system is known in which photovoltaic modules are arranged in a scale-like manner in the longitudinal direction of the roof. The ridge eaves line is referred to below as the longitudinal direction and a parallel to the ridge or eaves as the transverse direction. As support elements, wooden profiles laid in the first eaves direction are provided, which rest on their ridge-side end on a roof batten and on their eave-side end on a wooden batten laid parallel to a roof batten on this. The wooden slat protrudes over the top edge of the roof slat by approximately the thickness of the photovoltaic module. The wooden profiles have a recess running in the longitudinal center on their surface, so that when arranged at the edges of two butt-jointing photovoltaic modules, this serves to drain water that has penetrated into the gap. The disadvantage of this system is that additional wooden slats have to be laid parallel to the roof battens and that additional storm hooks are required for fastening around the edge of the photovoltaic modules on the eaves side.
Der Erfindung liegt die Aufgabe zugrunde die Abdichtung für ein Bauelementsystem, insbesondere ein Photovoltaiksystem, zu gewährleisten, bei dem die Bauelemente in Querrichtung stumpf aneinander und an benachbarte Dachpfannen stoßen, sich in Längsrichtung teilweise überdecken und auf Trägerelementen verlegt sind, die sich im Abstand von einer Stoßfuge befinden. Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Unterdeckelement aus wasserdichtem Werkstoff besteht und so profiliert ist, daß wenigstens eine in First-Trauf-Richtung verlaufende Hochsicke vorgesehen ist, welche ein Trägerelement aufzunehmen vermag, und daß wenigstens ein Wasserlauf vorgesehen ist, der unter dem Längsrand des plattenförmiges Bauelements anordbar ist. Vorzugsweise werden die Trägerelemente etwa die Viertelpunkte der Bauelemente tangierenden Linien verlegt, so daß der Querabstand zwischen zwei Trägerelementen der halben Breite eines Bauelements entspricht. Es ist daher vorteilhaft, Unterdeckelemente in etwa der halben Breite der Bauelemente vorzusehen. Beispielsweise eignen sich für photovoltaische Module mit eine Außenabmessung von etwa 38 cm x 120 cm Unterdeckelemente mit einer Außenabmessung von 42,1 cm x 64,4 cm besonders gut. Das gegenüber der halben Breite größere Breitenmaß ergibt sich daraus, das zwei benachbarte Unterdeckelemente an ihren Rändern überdeckend verlegt werden. Ein Überstand in Längsrichtung ermöglicht eine günstige Luftführung auf der Unterseite der photovoltaischen Module.The invention has for its object to ensure the seal for a component system, in particular a photovoltaic system, in which the components butt in the transverse direction butt and adjacent roof tiles, partially overlap in the longitudinal direction and are laid on support elements that are at a distance from one another Butt joint. The object is achieved in that the lower deck element consists of waterproof material and is profiled in such a way that at least one raised bead extending in the first eaves direction is provided, which is able to accommodate a carrier element, and that at least one watercourse is provided, which under the Longitudinal edge of the plate-shaped component can be arranged. Preferably, the support elements are laid about lines that touch the quarter points of the components, so that the transverse distance between two support elements corresponds to half the width of a component. It is therefore advantageous to provide lower deck elements in approximately half the width of the components. For example, for photovoltaic modules with an external dimension of approximately 38 cm x 120 cm, lower deck elements with an external dimension of 42.1 cm x 64.4 cm are particularly suitable. The width dimension, which is larger than half the width, results from the fact that two adjacent lower deck elements are laid overlapping at their edges. A protrusion in the longitudinal direction enables favorable air flow on the underside of the photovoltaic modules.
Ein Unterdeckelement muß keine Stützkräfte aufnehmen, so daß es aus dünnwandigem korrosionsbeständigem Material bestehen kann, vorzugsweise aus Kunststoff. Das Unterdeckelement kann beispielsweise im Tiefziehverfahren aus einer Kunststoffolie hergestellt werden. Bei sehr dünnen Material empfiehlt sich im Bereich des Wasserlaufs eine Verstärkung, die beispielsweise rinnen- oder trogförmig als gesondertes Bauteil ausgebildet sein kann.A lower deck element does not have to absorb any supporting forces, so that it can consist of thin-walled, corrosion-resistant material, preferably of plastic. The lower deck element can, for example, be produced from a plastic film using the deep-drawing process. In the case of very thin material, reinforcement is recommended in the area of the watercourse, which can be formed, for example, in the form of a channel or trough as a separate component.
Das Unterdeckelement kann auf der Oberseite des Trägerelement liegen und die Unterseite des Bauelement schützen, wenn das Unterdeckelement zumindest im Bereich des traufseitigen Endabschnitts der das Trägerelement aufnehmenden Hochsicke einen Durchbruch aufweist, durch den eine Aufnahme desThe lower deck element can lie on the upper side of the support element and protect the underside of the component if the lower cover element has an opening at least in the area of the eaves-side end section of the raised bead receiving the support element, through which a receptacle of the
Trägerelements für das plattenförmige Bauelement hindurch gesteckt werden kann. Eine dichte seitlich überdeckende Verlegung der Unterdeckelemente ist möglich, wenn im Bereich beider Längsränder zumindest je eine Hochsicke vorgesehen ist, wobei die Hochsicke am einen Rand die Hochsicke am anderen Rand eines benachbarten gleichartigen Unterdeckelements aufzunehmen vermag. Vorzugsweise ist die Hochsicke an einem Rand schmal und am anderen Rand so breit, daß die von der breiten Hochsicke überdeckte schmale Hochsicke quer verschoben werden kann. Dadurch lassen sich Maßabweichungen beim Verlegen leicht ausgleichen. Insbesondere beim Verlegen von Bauelementen, die auf einer Seite auf den Wasserfalz einer angrenzenden Dacheindeckungsplatte verlegt werden, an der anderen Seite aber stumpf anliegen, ergibt sich für das auf dem Wasserfalz aufliegende Bauelement eine geringere Deckbreite in Querrichtung als für ein weiteres Bauelement. Daher ist es vorteilhaft, wenn das an den Wasserfalz derCarrier element for the plate-shaped component can be inserted. A tight, laterally overlapping laying of the lower deck elements is possible if at least one raised bead is provided in the area of both longitudinal edges, the raised bead on one edge being able to accommodate the raised bead on the other edge of an adjacent, similar lower deck element. The raised bead is preferably narrow on one edge and so wide on the other edge that the narrow raised bead covered by the wide raised bead can be displaced transversely. This makes it easy to compensate for dimensional deviations when laying. In particular when laying components that are laid on one side on the water rebate of an adjacent roof covering plate, but are butting on the other side, there is a smaller cover width in the transverse direction for the component resting on the water rebate than for another component. Therefore, it is advantageous if this is due to the water fold
Dacheindeckungsplatte angrenzend verlegte Unterdeckelement um die Breite des Wasserfalzes zum benachbarten Unterdeckelement hin in Querrichtung verschoben werden kann.Roofing slab adjacent to the lower deck element can be moved in the transverse direction by the width of the water rebate to the adjacent lower deck element.
Dies kann dadurch erreicht werden, daß die aufnehmenden Hochsicken mindestens um die Breite des Wasserfalzes einer Dacheindeckungsplatte breiter sind als die aufzunehmende Hochsicke bzw. das Trägerelement.This can be achieved in that the receiving raised beads are at least wider than the raised bead or the carrier element by at least the width of the water rebate of a roof covering plate.
Das Unterdeckelement kann den auf dem Wasserfalz einer benachbarten Dacheindeckungsplatte aufliegenden Randbereich eines Bauelements besonders gut abdichten, wenn der an die aufnehmende Hochsicke angrenzende Randabschnitt des Längsrands so breit ist wie der Wasserfalz einer Dacheindeckungsplatte.The lower deck element can seal the edge region of a component lying on the water rebate of an adjacent roof covering panel particularly well if the edge section of the longitudinal edge adjacent to the receiving raised bead is as wide as the water rebate of a roof covering panel.
Dadurch kann der Randabschnitt des Unterdeckelements unterhalb des Wasserfalzes positioniert werden.As a result, the edge section of the lower deck element can be positioned below the water rebate.
Die aufnehmende Hochsicke an einem Längsrand und der Wasserlauf am gegenüberliegenden Längsrand können etwa komplementär zueinander ausgebildet werden, wenn der Wasserlauf angrenzend an die aufzunehmende Hochsicke ausgebildet ist. Das Unterdeckelement kann nicht nur eingedrungenes Wasser abführen, sondern auch die Belüftung unterhalb der Bauelemente günstig beeinflussen, wenn die Längsränder und der traufseitige Rand des Unterdeckelements in der Höhe der Tiefbereiche und der firstseitige Rand in der Höhe der Hochsicken verlaufen.The receiving raised bead on one longitudinal edge and the watercourse on the opposite longitudinal edge can be designed to be approximately complementary to one another if the watercourse is formed adjacent to the raised bead to be received. The lower deck element can not only drain water that has penetrated, but can also have a favorable effect on the ventilation underneath the components if the longitudinal edges and the eaves-side edge of the lower deck element run at the height of the deep areas and the ridge-side edge at the height of the raised beads.
Eine gezielte Belüftung ist anzustreben, um einen kühlenden Luftstrom entlang der Unterseite eines photovoltaischen Moduls zu leiten. Dadurch wird insbesondere im Hochsommer eine zu starke Aufheizung und damit verbundene Leistungsminderung eines photovoltaischen Moduls verhindert. Vorteilhafterweise wird die am firstseitigen Rand abströmende erwärmte Luft entlang der Unterseite des folgenden Unterdeckelements geführt, so daß erwärmte Luft bis zum Entweichen am First nicht mehr in Kontakt mit weiteren photovoltaischen Modulen gelangt. Zur Erzielung dieser Luftströmung ist ein Unterdeckelement länger als ein photovoltaisches Modul. Das Unterdeckelement überragt den firstseitigen Rand des photovoltaischen Modul, so daß die am traufseitigen Rand eingetretene Luft zum First hin abströmen kann.Targeted ventilation should be aimed for in order to direct a cooling air flow along the underside of a photovoltaic module. This prevents excessive heating and the associated reduction in performance of a photovoltaic module, especially in midsummer. Advantageously, the heated air flowing out at the ridge-side edge is guided along the underside of the following lower deck element, so that heated air no longer comes into contact with further photovoltaic modules until the ridge escapes. To achieve this air flow, a lower deck element is longer than a photovoltaic module. The lower deck element projects beyond the ridge-side edge of the photovoltaic module, so that the air that has entered at the eaves-side edge can flow out to the ridge.
Das Eindringen von Schnee und Kleintieren im Spalt zwischen den schuppenartig verlegten Bauelementen wird verhindert, wenn am traufseitigen Rand eines Unterdeckelements Wirbelkammern bildende Höcker vorgesehen sind. Diese stellen ein Labyrinth dar, das nicht direkt passiert werden kann.The penetration of snow and small animals in the gap between the scale-like components is prevented if bumps forming vortex chambers are provided on the eaves-side edge of a lower deck element. These represent a labyrinth that cannot be passed directly.
Die Verlegung der Unterdeckelemente und der Trägerelemente wird vereinfacht, wenn am firstseitigen Rand zumindest eine Einhängenase zum Einhängen des Unterdeckelements an einer Dachlatte oder dergleichen vorgesehen ist. Dadurch wird das Unterdeckelement in Längsrichtung zur firstseitigen Oberkante der Dachlatte justiert. Ist der Abstand zwischen derThe laying of the lower deck elements and the support elements is simplified if at least one hook-in lug is provided on the ridge-side edge for hanging the lower deck element on a roof batten or the like. As a result, the lower deck element is adjusted in the longitudinal direction to the ridge-side upper edge of the roof batten. Is the distance between the
Einhängenase und dem traufseitigen Rand gleich dem Abstand zwischen Einhängenase und traufseitigem Rand einer benachbarten Dacheindeckungsplatte, so ergibt sich für die erfindungsgemäßen Unterdeckelemente die gleiche geometrische Lage wie für die benachbarten Dacheindeckungsplatten unabhängig vom tatsächlichen Abstand der Dachlatten. Dieser kann wegen der von der Dachneigung abhängigen Überdeckung der Dacheindeckungsplatten von Dach zu Dach variieren.Hooking nose and the eaves-side edge equal to the distance between the hooking nose and the eaves-side edge of an adjacent roofing slab results for the Lower deck elements according to the invention have the same geometrical position as for the neighboring roofing panels regardless of the actual spacing of the roof battens. This can vary from roof to roof due to the fact that the roof covering slabs overlap depending on the roof pitch.
In der Zeichnung ist ein bevorzugtes Ausführungsbeispiel der Erfindung dargestellt, das im folgenden näher erläutert wird.In the drawing, a preferred embodiment of the invention is shown, which is explained in more detail below.
Es zeigtIt shows
Fig. 1 die Einbausituation auf einem Dach in der Draufsicht,1 is a top view of the installation situation on a roof,
Fig. 2 ein erfindungsgemäßes Unterdeckeleraent in der Draufsicht,2 shows a bottom cover element according to the invention in plan view,
Fig. 3 das Unterdeckelement aus Fig. 2 im Querschnitt III - III undFig. 3, the lower deck element from Fig. 2 in cross section III - III and
Fig. 4 das Unterdeckelement aus Fig. 2 in der Stirnansicht von der Traufseite herFig. 4 shows the lower deck element from Fig. 2 in the front view from the eaves side
Fig. 5 das Unterdeckeleraent aus Fig. 2 in der Seitenansicht undFig. 5 shows the Unterdeckeleraent from Fig. 2 in side view
Fig. 6 das Dach aus Fig. 1 im traufparallelen Schnitt VI-VI mit Blickrichtung von der Traufe zum First hin.Fig. 6, the roof of Fig. 1 in the eaves-parallel section VI-VI with a view from the eaves to the ridge.
Fig. 1 zeigt Unterdeckelemente 10 auf einem mit flachen Dacheindeckungsplatten 12 aus Beton in versetzten Reihen 14, 16, 18 teilweise eingedeckten Schrägdach in der Draufsicht schematisch im Bauzustand. Auf dem Dach sind photovoltaische Module 20, 22, 24, 26 dargestellt. In der zweiten Reihe 16 sind in einem nicht mit photovoltaischen Modulen eingedeckten Bereich Unterdeckelemente 10 dargestellt und in der Reihe 18 darüber sind in einem ersten Bauzustand Trägerelemente 28 dargestellt. Die Unterdeckelemente 10 liegen nach erfolgtem Einbau unter den photovoltaischen Modulen und über den Trägerelementen, welche die photovoltaischen Module tragen.Fig. 1 shows lower deck elements 10 on a sloping roof partially covered with flat roof covering panels 12 made of concrete in staggered rows 14, 16, 18 in a top view schematically in the construction state. Photovoltaic modules 20, 22, 24, 26 are shown on the roof. In the second row 16, lower deck elements 10 are shown in an area not covered with photovoltaic modules, and in the row 18 above, support elements 28 are shown in a first construction state. The lower deck elements 10 lie after this Installation under the photovoltaic modules and above the support elements that support the photovoltaic modules.
Die Unterdeckelemente 10 weisen etwa die halbe Breite eines photovoltaischen Moduls 20, 22, 24, 26 auf und besitzen jeweils an ihrem in Fig. 1 links dargestellten Rand einen trogförmigen Wasserlauf 30. Die in der untersten Reihe 14 nebeneinander verlegten photovoltaischen Module 20, 22 stoßen stumpf aneinander. An seinem anderen Ende liegt das photovoltaische Modul 22 auf dem Wasserlauf der benachbarten Dacheindeckungsplatte 12 auf, während das photovoltaische Modul 20 stumpf an den Deckfalz der ihm benachbarten Dacheindeckungsplatte 12 stößt. Unterhalb der stumpfen Stoßfugen befinden sich Wasserläufe von hier nicht sichtbaren unter den photovoltaischen Modulen 20 und 22 angeordneten Unterdeckelementen, die identisch mit den sichtbaren Unterdeckelementen 10 sind.The lower deck elements 10 have approximately half the width of a photovoltaic module 20, 22, 24, 26 and each have a trough-shaped watercourse 30 on their edge shown on the left in FIG. 1. The photovoltaic modules 20, 22 laid next to one another in the bottom row 14 meet butt against each other. At its other end, the photovoltaic module 22 rests on the water course of the adjacent roof covering plate 12, while the photovoltaic module 20 abuts the cover fold of the roof covering plate 12 adjacent to it. Below the blunt butt joints there are water courses from below-view elements which are not visible here and which are arranged below the photovoltaic modules 20 and 22 and are identical to the visible below-view elements 10.
Fig. 2 zeigt ein erfindungsgemäßes Unterdeckelement 10 in der Draufsicht. Dieses besteht aus tiefgezogener Kunststoffolie. Mit Außenabmessungen von 42,1 cm x 64,4 cm x 1,3 cm ist das Unterdeckelement 10 für ein photovoltaisches Modul von 38 cm x 120 cm geeignet, wobei unter einem photovoltaischen Modul zwei Unterdeckelemente 10 nebeneinander zu verlegen sind. Auf der in Fig. 2 linken Seite ist ein als breite Tiefsicke ausgebildeter Wasserlauf 30 vorgesehen, während sich auf der rechten Seite eine breite Hochsicke 32 befindet. Am äußeren Längsrand des Wasserlaufs 30 ist eine schmale doppelte Hochsicke 34 angebracht, welche an die Unterkontur des Deckfalzes einer Dacheindeckungsplatte 12 angepaßt ist und von der breiten Hochsicke 32 eines benachbarten Unterdeckelements aufgenommen werden kann. Eine breite mittlere Hochsicke 36 ist zur Aufnahme eines Trägerelements vorgesehen, welches das Bauelement bzw. das photovoltaische Modul trägt. Den Innenrand des Wasserlaufs bildet ein schmale Hochsicke 38. AlleFig. 2 shows a lower deck element 10 according to the invention in plan view. This consists of deep-drawn plastic film. With external dimensions of 42.1 cm x 64.4 cm x 1.3 cm, the lower deck element 10 is suitable for a photovoltaic module of 38 cm x 120 cm, with two lower deck elements 10 to be laid side by side under a photovoltaic module. On the left side in FIG. 2, a water course 30 designed as a wide deep bead is provided, while on the right side there is a wide raised bead 32. At the outer longitudinal edge of the watercourse 30, a narrow double raised bead 34 is attached, which is adapted to the lower contour of the top fold of a roof covering plate 12 and can be received by the wide raised bead 32 of an adjacent lower deck element. A wide central raised bead 36 is provided for receiving a carrier element which carries the component or the photovoltaic module. A narrow raised bead 38 forms the inner edge of the watercourse. All
Hochsicken 32, 34, 36 und 38 verlaufen in Längsrichtung, also am Dach in Richtung vom First zur Traufe. Zwischen den Hochsicken 38 und 36 sowie 36 und 32 liegen Tiefbereiche 40 bzw 42, die mit in Querrichtung verzahnt angeordneten nicht über die gesamte Breite eines Tiefbereichs 40, 42 verlaufenden Versteifungsrippen versehen sind. Am traufseitigen Rand der Tiefbereiche 40, 42 sind jeweils zwei Reihen von Höckern 44 bzw. 46 vorgesehen, die Wirbelkammern bilden. Am firstseitigen Rand jedes Tiefbereichs 40, 42 ist eine Einhängenase 48, 50 vorgesehen.Ridges 32, 34, 36 and 38 run lengthways, i.e. on the roof in the direction from the ridge to the eaves. Between the beads 38 and 36 as well as 36 and 32 there are deep areas 40 and 42, respectively, which are provided with stiffening ribs which are arranged in the transverse direction and do not extend over the entire width of a deep area 40, 42. At the eaves-side edge of the deep areas 40, 42 there are two rows of bumps 44 and 46, respectively, which form vortex chambers. A hook-in nose 48, 50 is provided on the ridge-side edge of each deep region 40, 42.
Die Fig. 3 bis 5 verdeutlichen die Lage und Anordnung der vorstehend beschriebenen Hochsicken 32, 34, 36 und 38, des Wasserlaufs 30, der Tiefbereiche 40, 42, der Höcker 44 und 46 sowie der Einhängenasen 48 und 50.3 to 5 illustrate the position and arrangement of the raised beads 32, 34, 36 and 38 described above, the watercourse 30, the deep areas 40, 42, the bumps 44 and 46 and the hooking noses 48 and 50.
In Fig. 3 ist unter dem Wasserlauf ein verstärkendesIn Fig. 3 is a reinforcing under the watercourse
Bauteil 52, hier eine Rinne aus Blech, dargestellt. Die Seitenwände dieser Rinne ragen in die Hochsicken 32 und 38 hinein. Am firstseitigen Rand ist ein Lappen nach unten abgebogen, so daß auch das verstärkende Bauteil 52 an einer Dachlatte eingehängt werden kann.Component 52, here a gutter made of sheet metal, shown. The side walls of this channel protrude into the raised beads 32 and 38. At the ridge-side edge, a rag is bent downward, so that the reinforcing component 52 can also be hung on a roof batten.
In Fig. 6 ist Reihe 14 des Dachs aus Fig. l im traufparallelen Schnitt VI-VI und mit Blickrichtung von der Traufe zum First hin dargestellt. Hierbei befindet sich links die erste Dacheindeckungsplatte 12, die rechtsseitig einen hochliegenden Deckfalz 54 aufweist. Auf die erste Dacheindeckungsplatte 12 folgt ein erstes Unterdeckelement 10, das mit seiner am linken Längsrand verlaufenden schmalen Hochsicke 34 an der Unterseite des Deckfalzes 54 der ersten Dacheindeckungsplatte 12 anliegt, während der freie Längsrand des Deckfalzes 54 über dem6 shows row 14 of the roof from FIG. 1 in section VI-VI parallel to the eaves and looking from the eaves to the ridge. Here, the first roof covering plate 12 is located on the left, which has an elevated cover fold 54 on the right side. The first roof covering plate 12 is followed by a first lower cover element 10, which, with its narrow raised bead 34 running on the left longitudinal edge, bears against the underside of the cover fold 54 of the first roof covering plate 12, while the free longitudinal edge of the cover fold 54 lies above the
Wasserlauf 30 des ersten Unterdeckelements 10 angeordnet ist. Das erste Unterdeckelement 10 ist in seiner Querrichtung etwa mittig von einem an einer Dachlatte 56 befestigten ersten Trägerelement 28 durchsetzt, das in einer etwa in der Mitte des Unterdeckelements 10 angeordneten Hochsicke 36 inWater course 30 of the first lower deck element 10 is arranged. The first lower deck element 10 is penetrated approximately centrally in its transverse direction by a first support element 28 fastened to a roof batten 56, which in a raised bead 36 in approximately in the middle of the lower deck element 10
Querrichtung verschiebbar aufgenommen ist. Mit seiner am rechten Längsrand verlaufenden breiten Hochsicke 32 überdeckt das erste Unterdeckelement 10 die am linken Längsrand verlaufende schmale Hochsicke 34 eines zweiten Unterdeckelements 10, das in gleicher Weise mit einem zweiten Trägerelement 28 befestigt ist.Transverse direction is slidably received. With its wide raised bead 32 running on the right longitudinal edge, the first lower deck element 10 covers that on the left longitudinal edge extending narrow raised bead 34 of a second lower deck element 10, which is fastened in the same way with a second carrier element 28.
Damit zwei benachbarte Unterdeckelemente 10 ihre maximale Streckung in Querrichtung erhalten, ist das zweite Unterdeckelement 10 bei der Verlegung in traufparalleler Richtung nach rechts gezogen worden, so daß seine von der breiten Hochsicke 32 des ersten Unterdeckelements 10 aufgenommene schmale Hochsicke 34 unmittelbar an der rechten Seitenfläche der breiten Hochsicke 32 des ersten Unterdeckelements 10 anliegt. Auf den beiden Trägerelementen 28 ist das erste photovoltaische Modul 20 angeordnet, das links stumpf an den Deckfalz 54 der ersten Dacheindeckungsplatte 12 und rechts stumpf an das benachbarte zweite photovoltaische Modul 22 anstößt. Rechts von dem zweiten Unterdeckelement 10 ist in der zuvor beschriebenen Weise ein drittes Unterdeckelement 10 verlegt. Die Stoßstelle der photovoltaischen Modul 20, 22 ist hierbei oberhalb des Wasserlaufes 30 des dritten Unterdeckelements 10 angeordnet.So that two adjacent lower deck elements 10 receive their maximum stretching in the transverse direction, the second lower deck element 10 was pulled to the right when laying in the eaves parallel direction, so that its narrow raised bead 34 received by the wide raised bead 32 of the first lower deck element 10 directly on the right side surface of the wide raised bead 32 of the first lower deck element 10 is present. The first photovoltaic module 20 is arranged on the two carrier elements 28 and abuts the cover fold 54 of the first roof covering plate 12 on the left and the adjacent second photovoltaic module 22 on the right. To the right of the second lower deck element 10, a third lower deck element 10 is laid in the manner described above. The joint of the photovoltaic modules 20, 22 is arranged above the watercourse 30 of the third lower deck element 10.
Rechts von dem dritten Unterdeckelement 10 ist ähnlich der zuvor beschriebenen Weise ein viertes Unterdeckelement 10 verlegt, welches mit seiner am rechten Längsrand verlaufenden breiten Hochsicke 32 stumpf an den linksseitigen tiefliegenden Wasserfalz 58 der zweiten Dacheindeckungsplatte 12 stößt. Das dritte und das vierte Unterdeckelement 10 sind vom zweiten photovoltaischen Modul 22 überdeckt.To the right of the third lower deck element 10, a fourth lower deck element 10 is laid, similar to the manner described above, which, with its wide raised bead 32 running on the right longitudinal edge, abuts the deep water fold 58 of the second roof covering plate 12 on the left-hand side. The third and fourth lower deck element 10 are covered by the second photovoltaic module 22.
Da die ersten drei Unterdeckelemente 10 jeweils mit maximaler Streckung verlegt worden sind, und das vierte Unterdeckelement 10 stumpf an die zweite Dacheindeckungsplatte 12 anstößt, ist die erforderliche Deckbreite des vierten Unterdeckelements 10 um die Breite des Wasserfalzes 58 der zweiten Dacheindeckungsplatte 12 geringer als bei maximaler Streckung. Bei der Verlegung ist das vierte Unterdeckelement 10 daher um die Breite des Wasserfalzes 58 in traufparalleler Richtung nach links verschoben worden, so daß seine von der breiten Hochsicke 32 des dritten Unterdeckelements 10 aufgenommene schmale Hochsicke 34 unmittelbar an der linken Seitenfläche der breiten Hochsicke 32 des dritten Unterdeckelements 10 anliegt. Beim Verschieben hat sich die das Trägerelement 28 aufnehmende mittlere Hochsicke 36 des vierten Unterdeckelements 10 relativ zum Trägerelement 28 verschoben. Die erfindungsgemäße Ausbildung der Unterdeckelemente 10 ermöglicht somit eine Anpassung der Deckbreite eines Unterdeckelements 10 an die jeweiligen baulichen Gegebenheiten. Since the first three lower deck elements 10 have each been installed with maximum stretch, and the fourth lower deck element 10 abuts the second roof covering plate 12, the required covering width of the fourth lower deck element 10 is smaller by the width of the water fold 58 of the second roof covering plate 12 than with maximum stretch . When laying, the fourth lower deck element 10 has therefore been moved to the left by the width of the water fold 58 in the direction parallel to the eaves, so that its narrow raised bead 34 received by the wide raised bead 32 of the third lower deck element 10 abuts directly on the left side surface of the wide raised bead 32 of the third lower deck element 10. When moving, the central raised bead 36 of the fourth lower deck element 10 receiving the carrier element 28 has shifted relative to the carrier element 28. The design according to the invention of the lower deck elements 10 thus enables the deck width of a lower deck element 10 to be adapted to the respective structural conditions.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Unterdeckelement (10) für ein flaches plattenförmiges Bauelement, insbesondere für ein photovoltaisches Modul (20, 22, 24, 26), das auf einem Schrägdach mit in First-Trauf-Richtung verlegbaren Trägerelementen (28) befestigbar ist, d a d u r c h g e k e n n z e i c h n e t, daß das Unterdeckelement (10) aus wasserdichtem Werkstoff besteht und so profiliert ist, daß wenigstens eine in1. Lower deck element (10) for a flat plate-shaped component, in particular for a photovoltaic module (20, 22, 24, 26) which can be fastened on a sloping roof with support elements (28) which can be laid in the first eaves direction, characterized in that Lower deck element (10) consists of waterproof material and is profiled so that at least one in
First-Trauf-Richtung verlaufende Hochsicke (36) vorgesehen ist, welche ein Trägerelement (28) aufzunehmen vermag, und daß wenigstens ein Wasserlauf (30) vorgesehen ist, der unter dem Längsrand des plattenförmiges Bauelements anordbar istA ridge (36) extending in the first eaves direction is provided, which is able to accommodate a carrier element (28), and that at least one water course (30) is provided which can be arranged under the longitudinal edge of the plate-shaped component
2. Unterdeckelement nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, daß dieses aus dünnwandigem korrosionsbeständigem Material besteht .2. Lower deck element according to claim 1, d a d u r c h g e k e n n z e i c h n e t that this consists of thin-walled corrosion-resistant material.
3. Unterdeckelement nach Anspruch 1 oder 2, d a d u r c h g e k e n n z e i c h n e t, daß das Unterdeckelement (10) zumindest im Bereich des traufseitigen Endabschnitts der das Trägerelement (28) aufnehmenden Hochsicke (36) einen Durchbruch aufweist, durch den eine Aufnahme des Trägerelements (28) für das plattenformige Bauelement hindurch gesteckt werden kann.3. Lower deck element according to claim 1 or 2, characterized in that the lower deck element (10) at least in the area of the eaves-side end portion of the support element (28) receiving raised bead (36) has an opening through which a receptacle of the support element (28) for the plate-shaped Component can be inserted through.
4. Unterdeckelement nach einem der Ansprüche 1 bis 3, d a d u r c h g e k e n n z e i c h n e t, daß im Bereich beider Längsränder zumindest je eine Hochsicke (32, 34) vorgesehen ist, wobei eine Hochsicke (32) am einen Rand die Hochsicke (34) am anderen Rand eines benachbarten gleichartigen4. Lower deck element according to one of claims 1 to 3, d a d u r c h g e k e n n z e i c h n e t that at least one raised bead (32, 34) is provided in the region of both longitudinal edges, with a raised bead (32) on one edge the raised bead (34) on the other edge of an adjacent similar
Unterdeckelements (10) aufzunehmen vermag. Lower deck element (10) is able to accommodate.
5. Unterdeckelement nach Anspruch 4, d a d u r c h g e k e n n z e i c h n e t, daß die aufnehmenden Hochsicken (32, 36) um mindestens die Breite des Wasserfalzes einer Dacheindeckungsplatte breiter sind als die aufzunehmende Hochsicke (34) bzw. das Trägerelement (28) .5. Lower deck element according to claim 4, so that the receiving raised beads (32, 36) are wider than the raised bead (34) or the carrier element (28) by at least the width of the water rebate of a roof covering plate.
6. Unterdeckelement nach Anspruch 4 oder 5, d a d u r c h g e k e n n z e i c h n e t, daß der an die aufnehmende Hochsicke (32) angrenzende6. Lower deck element according to claim 4 or 5, d a d u r c h g e k e n n e e c h n e t that adjoining the receiving raised bead (32)
Randabschnitt des Längsrands so breit wie der Wasserfalz einer Dacheindeckungsplatte ist.Edge section of the longitudinal edge is as wide as the water fold of a roofing slab.
7. Unter decke lement nach einem der Ansprüche 4 bis 6 , d a d u r c h g e k e n n z e i c h n e t, daß der Wasserlauf (30) angrenzend an die aufzunehmende Hochsicke (34) ausgebildet ist.7. Under the ceiling element according to one of claims 4 to 6, d a d u r c h g e k e n n z e i c h n e t that the watercourse (30) is formed adjacent to the raised bead (34) to be accommodated.
8. Unterdeckelement nach einem der Ansprüche 1 bis 7, d a d u r c h g e k e n n z e i c h n e t, daß die Längsränder und der traufseitige Rand des Unterdeckelements (10) in der Höhe der8. lower deck element according to one of claims 1 to 7, d a d u r c h g e k e n n z e i c h n e t that the longitudinal edges and the eaves-side edge of the lower deck element (10) at the height of
Tiefbereiche (40, 42) des Unterdeckelements (12) und der firstseitige Rand in der Höhe der Hochsicken (32, 34, 36, 38) verlaufen.Deep areas (40, 42) of the lower deck element (12) and the ridge-side edge run at the height of the raised beads (32, 34, 36, 38).
9. Unterdeckelement nach einem der Ansprüche 1 bis 8, d a d u r c h g e k e n n z e i c h n e t, daß am traufseitigen Rand Wirbelkammern bildende Höcker (44, 46) vorgesehen sind.9. lower deck element according to one of claims 1 to 8, d a d u r c h g e k e n n z e i c h n e t that bumps (44, 46) forming vortex chambers are provided on the eaves-side edge.
10. Unterdeckelement nach einem der Ansprüche 1 bis 9, d a d u r c h g e k e n n z e i c h n e t, daß am firstseitigen Rand zumindest eine Einhängenase (48, 50) zum Einhängen des10. Lower deck element according to one of claims 1 to 9, d a d u r c h g e k e n n z e i c h n e t that at least one hanging nose (48, 50) for hanging the
Unterdeckelements (10) an einer Dachlatte oder dergleichen vorgesehen ist. Lower deck element (10) is provided on a roof batten or the like.
EP97918059A 1996-03-29 1997-03-27 Bottom lining element for a flat, panel-shaped building element Withdrawn EP0891637A1 (en)

Applications Claiming Priority (3)

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DE19612490A DE19612490C1 (en) 1996-03-29 1996-03-29 Lower deck element for a flat plate-shaped component
DE19612490 1996-03-29
PCT/DE1997/000647 WO1997037387A1 (en) 1996-03-29 1997-03-27 Bottom lining element for a flat, panel-shaped building element

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JP (1) JP3058454B2 (en)
CN (1) CN1214801A (en)
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BA (1) BA98361A (en)
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CZ287665B6 (en) 2001-01-17
DE19612490C1 (en) 1997-09-18
JP3058454B2 (en) 2000-07-04
NO984527D0 (en) 1998-09-28
PL328920A1 (en) 1999-03-01
JPH11508339A (en) 1999-07-21
CZ309398A3 (en) 1999-02-17
TR199801925T2 (en) 1999-04-21
PL182296B1 (en) 2001-12-31
BA98361A (en) 1999-08-02
AU2633597A (en) 1997-10-22
SK132898A3 (en) 1999-03-12
NO984527L (en) 1998-11-27
WO1997037387A1 (en) 1997-10-09
HU222257B1 (en) 2003-05-28
CN1214801A (en) 1999-04-21
US6182404B1 (en) 2001-02-06
BR9708466A (en) 2000-01-04
HUP9901379A2 (en) 1999-08-30
HUP9901379A3 (en) 2001-12-28

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