EP1835087A1 - Dachverkleidungsplatte - Google Patents

Dachverkleidungsplatte Download PDF

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Publication number
EP1835087A1
EP1835087A1 EP06111127A EP06111127A EP1835087A1 EP 1835087 A1 EP1835087 A1 EP 1835087A1 EP 06111127 A EP06111127 A EP 06111127A EP 06111127 A EP06111127 A EP 06111127A EP 1835087 A1 EP1835087 A1 EP 1835087A1
Authority
EP
European Patent Office
Prior art keywords
panels
fastening
plate
roof
roofing
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Withdrawn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
EP06111127A
Other languages
English (en)
French (fr)
Inventor
Jacques Roblot
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.)
Ondex SA
Original Assignee
Ondex SA
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 Ondex SA filed Critical Ondex SA
Priority to EP06111127A priority Critical patent/EP1835087A1/de
Priority to PCT/EP2007/002051 priority patent/WO2007104482A1/en
Publication of EP1835087A1 publication Critical patent/EP1835087A1/de
Withdrawn legal-status Critical Current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
    • 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 roofing plastic panel, more particularly to a greenhouse roof panel.
  • Greenhouses are lightweight, transparent-walled structures for growing plants. Their transparent walls and in particular their roofs, allow to transmit the luminous energy necessary for the growth of the plants, to maintain a favorable temperature in the greenhouse and to protect the plants against bad weather. These roofs are generally made from glass panels or cellular polycarbonate. Polycarbonate honeycomb panels, however, have limited impact resistance, mainly to hail impacts. When some cells are damaged, the water vapor penetrates into the cells of the panel, which causes the appearance of foams that reduce transparency. The glazed panels are more resistant. However, their high rigidity frequently causes their rupture due to slow but unavoidable deformations of greenhouses during aging. Replacing glass panels is quite expensive.
  • the aim of the invention is to provide a panel of synthetic material for a roof of light construction, in particular of a greenhouse, capable of replacing glass plates during the renovation of greenhouses, in a simple and economical manner and without loss of transparency of the walls. .
  • the invention relates to a roof panel of light constructions, in particular for roofing greenhouses, comprising at least one plastic plate inserted on at least a portion of its perimeter in a rigid fastening section having a thickness of at least three times the thickness of the plate.
  • the term "roofing” refers to the exterior covering of constructions and includes both the roof itself and vertical cladding, gable covers, etc. In the case of greenhouses, almost all of the outer surface of the greenhouse may consist of panels according to the invention.
  • the panels according to the invention comprise plates inserted on at least a part of their perimeter in a rigid fastening section.
  • the plates being generally substantially rectangular, they are advantageously inserted at least two, preferably three of their sides in profiles. More preferably, their entire perimeter is inserted into profiles. This or these profiles having a thickness of at least three times, preferably 4, preferably 5 times the thickness of the plate, we obtain an increase in the rigidity of the plate.
  • the plates are inserted in the profile, which therefore has a corresponding groove.
  • the plates used in the panel according to the invention commonly have a thickness of between 0.5 and 1.5 mm, preferably between 0.6 and 1.1 mm.
  • the fastening profile advantageously has a thickness, measured perpendicular to the surface of the plate, of between 3 and 10 mm, preferably between 4 and 7 mm.
  • the plates generally rectangular, have a width of between 40 and 80 cm and a length of between 1 and 2 m.
  • They can be made of any synthetic material suitable for roofing. The material must therefore have good mechanical properties (stiffness and impact resistance) and good resistance to solar radiation, especially ultraviolet radiation. It is recommended that the synthetic material be selected from polyvinyl chloride, polycarbonate, polymethyl methacrylate, polyethersulfone. Polyvinyl chloride is preferred.
  • polyvinyl chloride (PVC) plates are advantageously biaxially oriented.
  • PVC polyvinyl chloride
  • This biorientation is generally obtained by biaxial stretching of the plate.
  • the biorientation is deemed to increase the impact resistance of the polymer.
  • the biorented PVC sheets are also advantageously corrugated, which further improves their rigidity in the direction of the undulations.
  • the corrugations also reduce the dimensional variations of the plates during temperature variations.
  • the corrugations can be rounded or trapezoidal or rectangular shape.
  • the amplitude of the corrugations is preferably between 4 and 30 mm, advantageously between 4 and 8 mm. Plates whose amplitude of the corrugation is between 4 and 6 mm, which corresponds to the most advantageous thicknesses of the fastening profiles, are particularly suitable.
  • Plates made of synthetic material can be transparent, translucent or even exceptionally opaque for certain uses. It is recommended that they be transparent.
  • the profiles located at the perimeter of the plates are at least three times thicker than the plates.
  • the extra thickness of the edges of the panels has several advantages, in addition to improving the rigidity of the panel.
  • this extra thickness makes it possible to simply hook the panel to the load-bearing structure of the construction when the latter has asperities (11) which can come into contact with an inner face (10) of the fastening profiles (see FIG. 15).
  • This situation is particularly interesting when the supporting structure comprises structural sections (5) having entire faces forming such asperities, because then the two profiles (fixing and structural) can come into contact on a larger surface, which improves the hanging panels according to the invention.
  • the fastening profiles have a fastening face substantially perpendicular to the surface of the plate for attachment to a structural section of the roof.
  • substantially perpendicular is meant an orientation allowing the attachment face to remain attached to the structural section under the action of a force parallel to the surface of the plate, directed towards the center of the panel.
  • a force results for example from the tension of the plate.
  • An inclination of the attachment face towards the inside of the panels is therefore to be avoided because it promotes sliding under the action of such a force.
  • a slight inclination in the opposite direction would be acceptable but even beneficial in some cases.
  • such structural sections are generally constituted by the small woods of the greenhouse.
  • the supporting structure of a glass greenhouse comprises on the one hand the posts, farms and breakdowns but also a secondary structure fixed on the breakdowns and including the small woods, on which the glass panels are attached.
  • the fastening profiles have an approximately rectangular cross-section, so as to reproduce the shape of the edge of glass plates.
  • This embodiment is particularly advantageous when the structural sections have a groove (9), called drainage groove, in which the extra thickness of the fastening profiles can be housed.
  • the panels according to the invention may also comprise several plates connected in pairs by fastening profiles. Accordingly, in an advantageous embodiment, the panel comprises at least two adjacent plates joined by an attachment profile comprising two grooves in which the adjacent plates are inserted.
  • the panel in another advantageous embodiment, it further comprises a film of synthetic material covering one of the surfaces of the plate without adhering to it, so as to provide a volume of air between the plate and the film.
  • the panel is a kind of double jacket and provides additional thermal insulation, thanks to the volume of air between the plate and the film.
  • the fastening profiles in which the plates are inserted can be made of different materials.
  • Rigid plastics such as PVC or polypropylene or polycarbonate, or metal materials such as steel or aluminum are recommended.
  • Aluminum is preferred.
  • the fastening profiles can be made integral with the plates by any means such as gluing, welding, mechanical fasteners.
  • mechanical attachment by crimping is preferred.
  • the inside of the section which is in contact with the plate is advantageously provided with gripping teeth, as represented in FIG. 15 for example. Such teeth slightly deform the plate when the profile is crimped, which ensures the attachment of the profile.
  • the fastening profiles are made of plastic, they are advantageously glued to the plates.
  • the extra thickness of the edges of the panels makes them particularly suitable as roofing panels of light constructions, in particular greenhouses and more particularly for the renovation of greenhouses having a glass roof.
  • the panel has at its perimeter, thanks to this extra thickness, a thickness close to that of glass plates used in roofs of light constructions. This generally allows an easy substitution of glass plates damaged by panels according to the invention, the panel can be inserted into the fasteners provided for the glass plates.
  • the invention also relates to a greenhouse roof comprising structural sections and at least one panel according to one of the preceding claims, attached to a structural section.
  • the greenhouse roof according to the invention comprises a secondary bearing structure consisting of structural sections. Such structural sections are commonly called "small woods".
  • the greenhouse roof according to the invention may have very different structural sections. It is advantageous that the structural sections of the roof have been designed to accommodate glass panels, because the panels according to the invention can be easily replaced.
  • the structural profiles can be made of wood, plastic, metallic material. It is recommended that they be made of aluminum. Aluminum structural sections can be extruded or cast. However, it is preferred that they be produced by stamping aluminum sheets.
  • the panels can be attached to the profiles by any appropriate technique.
  • the panels are mechanically fixed to the structural sections.
  • Mechanical fastening can consist of screws, bolts, rivets, etc.
  • the structural sections have drainage grooves in which the panel or panels are hung.
  • the extra thickness formed by the fastening profiles of the panels according to the invention are housed in the drainage grooves.
  • the fastening profiles have a fastening face substantially perpendicular to the surface of the plates, such a variant allows a simple and effective fastening of the panels on the structure of the roof.
  • the invention also relates to a roofing system for greenhouses comprising a set of panels of synthetic material according to the invention, at least part of the adjacent panels having a part of their fastening profiles in common, said sections in common having two grooves wherein the adjacent plates are respectively inserted.
  • the plates advantageously have a reduced thickness, preferably less than 0.8 mm. Plate thicknesses between 0.4 and 0.7 mm are recommended.
  • the roof system can be completely assembled on site, from panels according to the invention, in the vicinity of the greenhouse or in situ. It can also be partly pre-assembled, pre-assemblies of 2 to 10 panels for example being then assembled to form a complete roof.
  • the fastening profiles are provided with feet (3b, 4b) to separate the panels of the load bearing structure of the construction, while allowing their attachment to the latter.
  • the roofing system according to the invention is especially adapted to lightweight constructions without structural sections.
  • the roof system is then directly attached to the primary structure (faults, farms).
  • the invention also relates to a greenhouse renovation method comprising glass walls, wherein the damaged glass panels are replaced by panels according to the invention.
  • the greenhouses advantageously comprise structural sections (small woods), preferably provided with drainage grooves.
  • Figures 1 to 3 illustrate in section a panel edge comprising a plate inserted in a fastening section having a groove.
  • Figures 4 to 14 illustrate in section a panel portion comprising two adjacent plates inserted in fastening profiles having two grooves.
  • Figures 15a to 15c illustrate the attachment of a panel according to a preferred embodiment of the invention to a greenhouse secondary structure, consisting of structural sections.
  • a plate 1 is inserted and crimped into an aluminum profile having gripping teeth.
  • Figure 2 illustrates the situation prior to crimping.
  • the profile is plastic (PVC) and the plate is glued into the groove.
  • FIGS. 4 to 7 representing various modes of joining adjacent plates by means of two-groove fastening profiles, the situations in which the plates are crimped in aluminum profiles are combined. ( Figures “a") and those in which the plates are glued in plastic profiles (PVC) ( Figures “b”).
  • the profiles are provided with feet 2b, 3b, to move plates 1.1 'away from the structure 4 of the light construction on which the plates are fixed.
  • FIGS. 12 to 14 the plates 1, 1 ', both crimped and glued, have an additional mechanical fastening: bolts for FIGS. 12 and 14, rivets for FIGS.
  • Figures 15a to 15c show a preferred embodiment of the invention, wherein a plate (1) is inserted into a fastening section (2) comprising a hooking face (10).
  • the profile is placed in the drainage groove (9) of a structural section (5).
  • the groove is provided with a roughness face (11), to hang the face (10) of the fastening profile.
  • the profile (2) is further fixed by mechanical means (6) (bolt in Figure 15b, rivet in Figure 15c).
  • a seal (7), for example mastic, is also shown.
  • a staple (8) may be provided as a substitution or complement to the mechanical fastening means (6).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Greenhouses (AREA)
EP06111127A 2006-03-14 2006-03-14 Dachverkleidungsplatte Withdrawn EP1835087A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06111127A EP1835087A1 (de) 2006-03-14 2006-03-14 Dachverkleidungsplatte
PCT/EP2007/002051 WO2007104482A1 (en) 2006-03-14 2007-03-09 Roof panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06111127A EP1835087A1 (de) 2006-03-14 2006-03-14 Dachverkleidungsplatte

Publications (1)

Publication Number Publication Date
EP1835087A1 true EP1835087A1 (de) 2007-09-19

Family

ID=36942365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06111127A Withdrawn EP1835087A1 (de) 2006-03-14 2006-03-14 Dachverkleidungsplatte

Country Status (2)

Country Link
EP (1) EP1835087A1 (de)
WO (1) WO2007104482A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL213495A0 (en) * 2011-06-12 2011-07-31 Polygal Plastics Ind Ltd Panel connector with incorporated flexible end

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB140221A (en) * 1919-04-02 1920-03-25 Alfred Stott Improvements in or relating to glazing roofs and other structures
US4006569A (en) * 1975-10-02 1977-02-08 Monarch Mirror Door Co., Inc. Panel mounting
EP0041598A1 (de) * 1980-06-06 1981-12-16 Röhm Gmbh Halterungsvorrichtung für gewölbte Verglasungsscheiben aus organischem Glas
DE8700382U1 (de) * 1987-01-09 1987-02-26 Kemmlit-Bauelemente GmbH, 7400 Tübingen Profilteil für Wandkonstruktionen für Kabinen, vorzugsweise Sanitärkabinen
DE8706848U1 (de) * 1987-05-13 1987-12-23 Hohrenk jun., Ernst, 3302 Cremlingen Strangpreßprofil
FR2632348A1 (fr) * 1988-06-01 1989-12-08 Moine Michel Profile d'encadrement de vitrage
EP0799594A2 (de) * 1994-01-18 1997-10-08 Kohler Co. verstellbarer Wandpfosten
EP1180421A2 (de) * 2000-08-17 2002-02-20 Bernhard Dipl.Ing. Freytag Verfahren zur Herstellung eines Bauelements, Bauelement sowie Verwendung desselben
US6546675B1 (en) * 1998-01-16 2003-04-15 Harkk Pty Ltd Panel fixing system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB140221A (en) * 1919-04-02 1920-03-25 Alfred Stott Improvements in or relating to glazing roofs and other structures
US4006569A (en) * 1975-10-02 1977-02-08 Monarch Mirror Door Co., Inc. Panel mounting
EP0041598A1 (de) * 1980-06-06 1981-12-16 Röhm Gmbh Halterungsvorrichtung für gewölbte Verglasungsscheiben aus organischem Glas
DE8700382U1 (de) * 1987-01-09 1987-02-26 Kemmlit-Bauelemente GmbH, 7400 Tübingen Profilteil für Wandkonstruktionen für Kabinen, vorzugsweise Sanitärkabinen
DE8706848U1 (de) * 1987-05-13 1987-12-23 Hohrenk jun., Ernst, 3302 Cremlingen Strangpreßprofil
FR2632348A1 (fr) * 1988-06-01 1989-12-08 Moine Michel Profile d'encadrement de vitrage
EP0799594A2 (de) * 1994-01-18 1997-10-08 Kohler Co. verstellbarer Wandpfosten
US6546675B1 (en) * 1998-01-16 2003-04-15 Harkk Pty Ltd Panel fixing system
EP1180421A2 (de) * 2000-08-17 2002-02-20 Bernhard Dipl.Ing. Freytag Verfahren zur Herstellung eines Bauelements, Bauelement sowie Verwendung desselben

Also Published As

Publication number Publication date
WO2007104482A1 (en) 2007-09-20

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