WO2017001527A1 - Device for fastening (a) cover element(s) for a crop shelter, and crop shelter provided with such devices - Google Patents

Device for fastening (a) cover element(s) for a crop shelter, and crop shelter provided with such devices Download PDF

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Publication number
WO2017001527A1
WO2017001527A1 PCT/EP2016/065220 EP2016065220W WO2017001527A1 WO 2017001527 A1 WO2017001527 A1 WO 2017001527A1 EP 2016065220 W EP2016065220 W EP 2016065220W WO 2017001527 A1 WO2017001527 A1 WO 2017001527A1
Authority
WO
WIPO (PCT)
Prior art keywords
retaining surface
shelter
flexible cover
culture
fastening
Prior art date
Application number
PCT/EP2016/065220
Other languages
French (fr)
Inventor
Christophe CALVET
Original Assignee
Europlastic
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 Europlastic filed Critical Europlastic
Publication of WO2017001527A1 publication Critical patent/WO2017001527A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14—Greenhouses
    • A01G9/1407—Greenhouses of flexible synthetic material
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Definitions

  • the present invention relates to a device for fixing a cover element, particularly flexible, such as a tarpaulin, for culture shelter, type greenhouse. It also relates to a culture shelter for such fasteners.
  • the field of the invention is the field of culture shelters, in particular the field of framework elements for culture shelters.
  • Culture shelters such as greenhouses, are generally constituted by a frame on which is arranged a flexible cover element, generally made of plastic.
  • the patent FR 2 956 561 Bl held by the Applicant describes a fixing method using longiform fasteners, being in the form of bars or tubes. These longiform fasteners are first passed through a hem provided on a fastening edge of the flexible cover element and then engaged under retention lugs rigidly attached to the framework of the culture shelter, at the level of a lateral border of the culture shelter. More specifically, an intermediate section is first attached to the frame of the culture shelter by fixing flanges, then the retention lugs are screwed onto said intermediate section.
  • the fixing method described in this patent allows a simple and ergonomic attachment of the cover element
  • the implementation of the fastening tabs on the frame of the culture shelter remains complex and time-consuming.
  • the fastening architecture based on the brackets described in this patent allows attachment of the cover element at a side edge of the culture shelter.
  • An object of the present invention is to overcome these disadvantages.
  • Another object of the invention is to provide a device for fixing a flexible cover element on a frame of a culture shelter whose implementation is simpler to implement.
  • Yet another object of the invention is to provide a device for attaching a flexible cover element to a frame of a culture shelter whose implementation is less time-consuming.
  • Another object of the invention is to provide a device for fixing a flexible cover element on a frame of a culture shelter, allowing a more flexible or customizable fixation.
  • a device for fastening flexible cover elements on a framework of a culture shelter, of the greenhouse type comprising:
  • the method according to the invention proposes a fixing device for fixing, by means of longiform fastening elements, two flexible cover elements which extend in two opposite directions on the culture shelter, in the direction of the width of said culture shelter, starting from the position of said fixing device.
  • the device according to the invention makes it possible to fix a first flexible covering element which extends in a first transverse direction on the framework of the culture shelter starting from the position of said fixing device, and a second flexible cover element extending in a second transverse direction on the frame of the shelter of culture starting from the position of said fixing device, this second direction being opposite to the first direction.
  • the device according to the invention it is therefore possible with the device according to the invention to provide, in a flexible and personalized manner, an attachment of flexible cover elements to any intermediate position between the two lateral edges of the culture shelter in the direction the width of said culture shelter, and not only at the side edges of said culture shelter.
  • the fastening device according to the invention may be fix directly on transverse elements, for example farms, forming part of the framework of the culture shelter. It does not require the use of an intermediate profile or clamps, which makes its implementation simpler, faster, less expensive and less time-consuming.
  • the first retaining surface may be positioned closer to the fastening area compared to the second retaining surface, so that the first elongated fastening element is kept closer to the fastening area compared to the second elongated fastening element. In other words, there is a non-zero distance between the first retaining surface and the second retaining surface, in a direction perpendicular to the culture shelter at said fixing device.
  • the device according to the invention allows to provide a gap between the first and second longiform fasteners, and therefore between the first and second flexible cover elements.
  • This vacuum space forms an air opening between the inside and the outside of the culture shed allowing a natural regulation of the temperature inside the culture shelter and a renewal of the air inside the culture shelter. shelter of culture.
  • such a void space may be provided on, at least a portion of, preferably over the entire length of the culture shelter.
  • the aeration capacity obtained depends on the distance / height separating the two retaining surfaces.
  • the distance / height between the first retaining surface and the second retaining surface measured in a direction perpendicular to the culture shelter at the level of the fixing device, may be between 4 cm and 100 cm, in particular between 8 cm and 60cm.
  • the first retaining surface may be offset relative to the second retaining surface so that the first flexible and the second flexible cover element has a non-zero overlap zone.
  • the device according to the invention makes it possible to provide an area at which the first and second flexible cover elements overlap.
  • This area of overlap allows to obtain a cover of the crop shelter against precipitation.
  • the overlap zone is provided in a downward direction from the inside of the culture shelter to the outside of the culture shelter.
  • such an overlap zone may be provided on at least a portion of, preferably over the entire length of the culture shelter.
  • the sealing capacity obtained depends on the width of the overlapping zone.
  • the offset distance between the first holding surface and the second holding surface, measured in a Tangent direction to the culture shelter at the level of the fixing device can be between 4cm and 100cm, in particular between 8cm and 60cm.
  • the first direction forms with the second direction a non-zero angle less than or equal to 90 °, and preferably less than or equal to 45 ° at the fixing device.
  • the device according to the invention may have on the side of the retaining surfaces a rounded end (e) or inclined (e), in particular in the width direction of the culture shelter. More particularly, the rounded or inclined edge is the one that comes opposite or in contact with the covering element or elements, in the configuration of use of said device.
  • Such a rounded or inclined edge allows the flexible cover member to extend over the fastener without aggressive stop which could damage said flexible cover member.
  • the elongate fasteners have a rounded or circular outer section.
  • At least one, in particular each, retaining surface may be of curved shape, in particular circular, thus marrying the circular or rounded outer section of the elongated fastening elements.
  • the fastening device according to the invention may comprise, for at least one, in particular each, retaining surface, a sharp or sharp shape, intended to come into contact with the flexible cover element and perforate said cover element. flexible, during the positioning of the elongated fastening element against said retaining surface.
  • At least one, in particular each, retaining surface may have a width, or a diameter when said retaining surface is circular in shape or rounded, greater than or equal to 2 cm, and preferably greater than or equal to 4 cm, for example equal to 4 cm, or 5 cm, or 6 cm or 7 cm.
  • attachment zone of the device according to the invention on a farm of the framework of the culture shelter may comprise, a receiving housing, of complementary shape to the section of the farm.
  • the home form may be circular or rectangular section.
  • Such a form of home makes it easier to position and hold in place the device according to the invention.
  • the fixing device according to the invention may comprise for at least one, in particular each, retaining surface a movable locking element, provided for locking a longiform fastening element disposed against said retaining surface.
  • Such a movable locking element may be in the form of a movable plate in rotation or in translation, having a housing of complementary shape to the outer section of the elongated fastening element, being positioned against said elongate fastening element in a locked position.
  • the movable locking element can be provided so that it can pass:
  • the fixing zone may comprise at least one repositionable fixing means, such as a fastening means clamping around the farm, provided to achieve a repositionable attachment of said device on the farm.
  • a repositionable fixing means allows a flexibility of adjustment of the position of the fixing device.
  • a repositionable fastening means also makes it possible to adjust, if necessary, the tension of the flexible cover element by modifying the position of the fixing device in one direction or the other, in the direction of the width of the the shelter of culture.
  • the fixing device according to the invention can be in the form of a one-piece assembly, for example in the form of a plate of negligible thickness, for example of the order of 3 mm, in particular in the direction of the length of the culture shelter, so that at least one, in particular each, retaining surface has a negligible thickness in the direction of the length of the culture shelter, which is also the direction defined by the one or more elongate fasteners.
  • the fixing device according to the invention may be made of steel.
  • a cover kit for a greenhouse culture shelter comprising:
  • a culture shelter comprising:
  • a framework comprising at least two transverse structural elements, said to be firm
  • the culture shelter according to the invention may comprise fixing devices positioned in the upper part of the frame of said shelter, at a deformation line of said framework.
  • the devices according to the invention can be arranged on the culture shed in the same direction.
  • the devices according to the invention can be arranged on the culture shelter in two opposite directions, for example head to tail.
  • the culture shelter according to the invention may comprise a first series of at least two fastening devices aligned in a first longitudinal direction of the culture shelter and at least a second series of at least two devices. fasteners aligned in a second longitudinal direction of the culture shelter offset from the first longitudinal direction in the transverse direction of the culture shelter.
  • the fasteners forming the first series may be arranged in the same direction as the fixing devices forming the second following.
  • the fasteners forming the first series may be arranged in a direction opposite to that of the fasteners forming the second following.
  • the positioning direction of a fixing device is determined with respect to the width of the culture shelter.
  • the device according to the invention can be arranged in the width direction of the culture shelter.
  • the culture shelter according to the invention can comprise fixing devices positioned at a lateral edge of the frame of said shelter, or at a level equidistant from a deer line and a lateral border of the frame of said shelter.
  • the culture shelter may be provided with several fixing devices, distributed over the entire length of said culture shelter, so as to obtain a separation between two adjacent cover elements along the entire length of said culture shelter.
  • the culture shelter according to the invention may be a multi-chapel culture shelter, a tunnel, a bi-tunnel, a garden tunnel, a kitchen tunnel, etc.
  • FIGURE 1 is a schematic representation of a first embodiment of a fixing device according to the invention.
  • FIGURE 2 is a schematic representation of a second embodiment of a fixing device according to the invention
  • - FIGURES 3-5 are schematic representations of three embodiments of a culture shelter according to the invention.
  • FIG. 1 is a schematic representation of a first exemplary embodiment of a fixing device according to the invention.
  • the device 100 shown in FIG. 1 makes it possible to fix two independent flexible covering elements 102, 104 on a framework of a culture shelter via two longiform fastening elements, respectively 106 and 108, previously passed in a hem. formed on the fastening edge of each flexible cover member 102, 104.
  • the device 100 is shown fixed on a farm 110 of the framework of the culture shelter.
  • the device 100 comprises a fastening zone 112 of said fastening device on the farm 110.
  • This fastening zone 112 comprises a receiving housing 114 of complementary shape to the outer section of the farm 110, in which the farm 110 is located. housing.
  • This reception housing 114 facilitates the positioning and maintenance of the fixing device 100 on the farm 110.
  • the device 100 includes a first retaining surface 116, intended to retain the elongate fastener 106 and a second retaining surface 118, to retain the elongate fastener 108.
  • the retaining surface 116 prevents the fastener longiform 106 to move in a first direction 120, wherein the flexible cover member 102 extends.
  • the retaining surface 118 prevents the elongated fastener 108 from moving in a second direction 122 in which the flexible cover member 104 extends.
  • the directions 120 and 122 are opposed to each other along the path defined by the framework of the culture shelter, and in particular, along the path defined by the farm 110, in the direction of the width of the shelter of culture.
  • Each retaining surface 116, 118 defines a rounded retaining housing with a diameter slightly greater than the diameter of each elongated fastener element, respectively 106 and 108.
  • Each rounded retaining housing formed by each retaining surface 116, 118 has a diameter of 4cm.
  • the retaining surface 118 is offset from the retaining surface 116 by a distance 124, measured in a direction tangent to the truss 110 at said device 110, in the width direction of the culture shelter.
  • the covering elements 102 and 104 comprise a zone of non-zero overlap, of width 124. This overlapping zone makes it possible to seal against the elements.
  • the overlap distance 124 is equal to 8 cm.
  • the retaining surface 118 is further disposed at a distance from the retaining surface 116 by a value 126 measured in a direction perpendicular to the trough 110 at said device 110.
  • the cover elements 102 and 104 comprise an empty space 128 between them, at the level of the fixing device 100, forming an air opening, allowing the passage of air to and from the inside of the culture shed, and thus participating on the one hand in the regulation of the temperature inside the culture shelter, and on the other hand the renewal of the air in the culture shelter.
  • the distance 126 is equal to 9.6 cm.
  • the retaining surface 118 is disposed above the retaining surface 116 so that the flexible cover member 104 is disposed above the flexible cover member 102 at the level of the overlap area and the ventilation opening.
  • the device On the end side engaging the flexible cover member 104, the device has an inclined edge 130 toward the truss 110 in the direction 122 so as to accompany the flexible cover member 104 which extends in this direction. and not forming a steep degree that could damage the flexible cover element 104.
  • the device 100 has a cutting edge 132 which perforates and passes through the flexible cover member 122 when positioning the elongate fastener 108 against the retaining surface 118.
  • the device comprises several through holes 134 provided to be traversed by screws (not shown) which tighten the fixing device around the farm 110 in a adjustable position.
  • the position of the device 100 on the farm 110 is not predetermined and can be modified at will by the user, to change the cover of the culture shelter or to adjust the tension of at least one of flexible cover elements 102, 104.
  • the device 100 shown in FIGURE is monobloc. It is also formed by a steel plate, of negligible thickness. Thus, each of the retaining surfaces 116 and 118 have a very small thickness, or even negligible.
  • FIGURE 2 is a schematic representation of a second embodiment of a fastening device according to the invention.
  • the device 200 shown in FIGURE 2 includes all the elements of the device 100 shown in FIGURE 1.
  • the device 200 differs from the device 100 in that the distances 124 and 136 between the retaining surfaces 116 and 118 of the device 200 are larger relative to the distances 124 and 126 the retaining surfaces 116 and 118 of the device 100.
  • the distance 124 is 57.95cm and the distance 126 is 55.85cm.
  • the device 200 has at the retaining surface 116 a locking piece 202 of the elongated fastener 106 when the latter is positioned against the retaining surface 106.
  • the locking piece 202 is rotatably disposed around the retaining surface 106. an axis substantially parallel to the elongated fastening element 106. It is pushed into an unlocked position by the elongated fastener 106, when the latter is positioned against the retaining surface 116. Once the fastener longiforme 106 is in place, the locking piece 202 falls by gravity and is positioned against the elongated fastening element 106. This locking piece 202 the elongated fastening element 106 prevents the elongated fastening element 106 from being removed inadvertently.
  • the device 200 may also include a locking piece at the retaining surface 118 for locking the elongated fastening element 108 in position.
  • FIGURES 3-5 are schematic representations, in a front view, of three examples of a culture shelter according to the invention.
  • the culture shelter 300 shown in FIG. 3 comprises a plurality of fixing devices, for example a plurality of fixing devices 100, distributed and aligned along the entire length of the culture shelter 300 at a line of deage culture culture 300. Thus, an aeration opening 128 is created at the level of the debris of the culture shelter 300.
  • the culture shelter 400 shown in FIG. 4 comprises a plurality of fixing devices, for example a plurality of fastening devices 100, distributed and aligned along the entire length of the culture shelter 400 at a lateral border. of the culture shelter 400. Thus, an aeration opening 128 is created at the side edge of the culture shelter 400.
  • the culture shelter 500 shown in FIG. 5 comprises a plurality of fastening devices 100 distributed and aligned along the entire length of the culture shelter 500 at a deer line of the culture shelter 500. , a ventilation opening 128i is created at the dewatering line of the culture shelter 400.
  • the culture shelter 500 shown in FIGURE 5 also comprises a plurality of fastening devices 100 distributed and aligned along the entire length of the culture shelter 500 at a lateral border of the culture shelter. 400.
  • a second ventilation opening 128 2 is created at the side edge of the culture shelter 400.
  • the culture shelter 500 combines the configurations of the culture shelters 300 and 400 of FIGURES 3 and 4.
  • the culture shelter according to the invention may comprise one or more series of fixing devices, each comprising several fixing devices aligned in the direction of the length of the culture shelter, in one or positions located between the lateral edges of the shelter.
  • the culture shelter may comprise two sets of fasteners each located on the side of a side edge of the shelter.
  • the culture shelter may comprise two sets of fastening devices each located on one side or the other of the debris line of the crop shelter at said level line.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Greenhouses (AREA)

Abstract

The invention relates to a device (100) for fastening flexible cover elements (102, 104) to a framework of a crop shelter of the greenhouse type, comprising: - at least one fastening zone (112) for fastening said device (100) to a transverse element (110), referred to as fixed, of said framework; - at least one first retaining surface (116) for retaining, in a first direction (120), a first elongate fastening element (106) fastened beforehand to a first flexible cover element (102); characterized in that it also comprises at least one second retaining surface (118) for retaining, in a second direction (122), a second elongate fastening element (108) fastened beforehand to a second flexible cover element (104). It also relates to a crop shelter provided with such devices (100).

Description

« Dispositif de fixation d'élément(s) de couverture pour abri de culture, abri de culture muni de tels dispositifs »  "Fixing device for covering element (s) for culture shelter, culture shelter equipped with such devices"
La présente invention concerne un dispositif pour fixer un élément de couverture, en particulier souple, tel qu'une bâche, pour abri de culture, de type serre. Elle concerne également un abri de culture de tels dispositifs de fixation. The present invention relates to a device for fixing a cover element, particularly flexible, such as a tarpaulin, for culture shelter, type greenhouse. It also relates to a culture shelter for such fasteners.
Le domaine de l'invention est le domaine des abris de culture, notamment le domaine des éléments d'ossature pour abris de culture. The field of the invention is the field of culture shelters, in particular the field of framework elements for culture shelters.
Etat de la technique State of the art
Les abris de culture, tels que des serres, sont généralement constitués par une ossature sur laquelle est aménagé un élément de couverture souple, généralement réalisée en plastique.  Culture shelters, such as greenhouses, are generally constituted by a frame on which is arranged a flexible cover element, generally made of plastic.
Il existe différentes façons de fixer un élément de couverture souple sur une ossature d'un abri de culture. Par exemple, le brevet FR 2 956 561 Bl détenu par la Demanderesse, décrit un procédé de fixation mettant en œuvre des éléments de fixation longiformes, se présentant sous la forme de barres ou de tubes. Ces éléments de fixation longiformes sont d'abord passés dans un ourlet prévu sur une bordure de fixation de l'élément de couverture souple, puis engagés sous des pattes de rétention rigidement fixées à l'ossature de l'abri de culture, au niveau d'une bordure latérale de l'abri de culture. Plus précisément, un profilé intermédiaire est tout d'abord fixé à l'ossature de l'abri de culture par des brides de fixation, puis les pattes de rétention sont vissées sur ledit profilé intermédiaire.  There are different ways to attach a soft cover element to a frame of a crop shelter. For example, the patent FR 2 956 561 Bl held by the Applicant, describes a fixing method using longiform fasteners, being in the form of bars or tubes. These longiform fasteners are first passed through a hem provided on a fastening edge of the flexible cover element and then engaged under retention lugs rigidly attached to the framework of the culture shelter, at the level of a lateral border of the culture shelter. More specifically, an intermediate section is first attached to the frame of the culture shelter by fixing flanges, then the retention lugs are screwed onto said intermediate section.
Cependant, bien que le procédé de fixation décrit dans ce brevet permette une fixation simple et ergonomique de l'élément de couverture, la mise en œuvre des pattes de fixation sur l'ossature de l'abri de culture reste complexe et chronophage. De plus, l'architecture de fixation basée sur les pattes de fixation décrite dans ce brevet ne permet une fixation de l'élément de couverture qu'au niveau d'une bordure latérale de l'abri de culture.  However, although the fixing method described in this patent allows a simple and ergonomic attachment of the cover element, the implementation of the fastening tabs on the frame of the culture shelter remains complex and time-consuming. In addition, the fastening architecture based on the brackets described in this patent allows attachment of the cover element at a side edge of the culture shelter.
Un but de la présente invention est de remédier à ces inconvénients. Un autre but de l'invention est de proposer un dispositif de fixation d'un élément de couverture souple sur une ossature d'un abri de culture dont la mise en œuvre est plus simple à mettre en œuvre. An object of the present invention is to overcome these disadvantages. Another object of the invention is to provide a device for fixing a flexible cover element on a frame of a culture shelter whose implementation is simpler to implement.
Encore un autre but de l'invention est de proposer un dispositif de fixation d'un élément de couverture souple sur une ossature d'un abri de culture dont la mise en œuvre est moins chronophage.  Yet another object of the invention is to provide a device for attaching a flexible cover element to a frame of a culture shelter whose implementation is less time-consuming.
Enfin, un autre but de l'invention est de proposer un dispositif de fixation d'un élément de couverture souple sur une ossature d'un abri de culture, permettant de réaliser une fixation plus flexible ou personnalisable.  Finally, another object of the invention is to provide a device for fixing a flexible cover element on a frame of a culture shelter, allowing a more flexible or customizable fixation.
Exposé de l'invention Presentation of the invention
L'invention permet d'atteindre au moins l'un de ces buts par un dispositif de fixation d'éléments de couverture souples sur une ossature d'un abri de culture, de type serre, comprenant :  The invention makes it possible to achieve at least one of these objects by a device for fastening flexible cover elements on a framework of a culture shelter, of the greenhouse type, comprising:
- au moins zone de fixation dudit dispositif sur un élément transversale, dite ferme, de ladite ossature ;  - At least fixing zone of said device on a transverse element, said firm, said frame;
- au moins une première surface de retenue, dans une première direction, d'un premier élément de fixation longiforme préalablement fixé à un premier élément de couverture souple ; caractérisé en ce qu'il comprend en outre au moins une deuxième surface de retenue, dans une deuxième direction, d'un deuxième élément de fixation longiforme préalablement fixé à un deuxième élément de couverture souple.  at least a first retaining surface, in a first direction, of a first elongated fastening element previously fixed to a first flexible cover element; characterized in that it further comprises at least a second retaining surface, in a second direction, of a second elongate fastener previously attached to a second flexible cover member.
Ainsi, le procédé selon l'invention propose un dispositif de fixation permettant de fixer, par l'intermédiaire d'éléments de fixation longiformes, deux éléments de couverture souples qui s'étendent dans deux directions opposées sur l'abri de culture, dans le sens de la largeur dudit abri de culture, en partant de la position dudit dispositif de fixation. Autrement dit, le dispositif selon l'invention permet de fixer un premier élément de couverture souple qui s'étend suivant une première direction transversale sur l'ossature de l'abri de culture en partant de la position dudit dispositif de fixation, et un deuxième élément de couverture souple se prolongeant suivant une deuxième direction transversale sur l'ossature de l'abri de culture en partant de la position dudit dispositif de fixation, cette deuxième direction étant opposée à la première direction. Thus, the method according to the invention proposes a fixing device for fixing, by means of longiform fastening elements, two flexible cover elements which extend in two opposite directions on the culture shelter, in the direction of the width of said culture shelter, starting from the position of said fixing device. In other words, the device according to the invention makes it possible to fix a first flexible covering element which extends in a first transverse direction on the framework of the culture shelter starting from the position of said fixing device, and a second flexible cover element extending in a second transverse direction on the frame of the shelter of culture starting from the position of said fixing device, this second direction being opposite to the first direction.
Il est donc possible avec le dispositif selon l'invention de prévoir, de manière flexible et personnalisée, une fixation d'éléments de couverture de souples à n'importe quelle position intermédiaire entre les deux bords latéraux de l'abri de culture dans le sens de la largeur dudit abri de culture, et non pas uniquement au niveau des bords latéraux dudit abri de culture. De plus, il n'est donc pas nécessaire, avec le dispositif selon l'invention, de prévoir un unique élément de couverture souple s'étendant sur toute la largeur entre les bords latéraux de l'abri de culture, la couverture de l'abri de culture pouvant être réalisée en utilisant deux, voire plus, éléments de couverture souples, de plus petites largeurs, plus facile à fabriquer et à manipuler.  It is therefore possible with the device according to the invention to provide, in a flexible and personalized manner, an attachment of flexible cover elements to any intermediate position between the two lateral edges of the culture shelter in the direction the width of said culture shelter, and not only at the side edges of said culture shelter. In addition, it is not necessary, with the device according to the invention, to provide a single flexible cover element extending over the entire width between the lateral edges of the culture shelter, the cover of the culture shelter that can be made using two or more flexible cover elements, smaller widths, easier to manufacture and handle.
De plus, il est possible de fixer le dispositif de fixation selon l'invention directement sur des éléments transversaux, par exemple les fermes, faisant partie de l'ossature de l'abri de culture. Il ne nécessite pas l'utilisation d'un profilé intermédiaire, ni de brides de fixation, ce qui rend sa mise en œuvre plus simple, plus rapide, moins coûteux et moins chronophage. Suivant une première caractéristique particulièrement avantageuse, la première surface de retenu peut être positionnée plus proche de la zone de fixation comparé à la deuxième surface de retenu, de sorte que le premier élément de fixation longiforme est maintenu plus proche de la zone de fixation comparé au deuxième élément de fixation longiforme. Autrement dit, il existe une distance non nulle entre la première surface de retenu et la deuxième surface de retenu, dans une direction perpendiculaire à l'abri de culture au niveau dudit dispositif de fixation.  In addition, it is possible to fix the fastening device according to the invention directly on transverse elements, for example farms, forming part of the framework of the culture shelter. It does not require the use of an intermediate profile or clamps, which makes its implementation simpler, faster, less expensive and less time-consuming. According to a first particularly advantageous characteristic, the first retaining surface may be positioned closer to the fastening area compared to the second retaining surface, so that the first elongated fastening element is kept closer to the fastening area compared to the second elongated fastening element. In other words, there is a non-zero distance between the first retaining surface and the second retaining surface, in a direction perpendicular to the culture shelter at said fixing device.
Ainsi, le premier élément de fixation longiforme maintenu par la première surface de fixation est situé plus haut comparé au deuxième élément de fixation longiforme maintenu par la deuxième surface de fixation. Par conséquent, le dispositif selon l'invention permet de prévoir un espace vide entre les premier et deuxième éléments de fixation longiformes, et par conséquent entre les premier et deuxième éléments de couverture souples. Cet espace de vide forme une ouverture d'aération entre l'intérieur et l'extérieur de l'abri de culture permettant d'une part une régulation naturelle de la température à l'intérieur de l'abri de culture, et d'autre part un renouvellement de l'air à l'intérieur de l'abri de culture. Thus, the first elongated fastening element held by the first fastening surface is located higher compared to the second elongate fastening element held by the second fastening surface. Therefore, the device according to the invention allows to provide a gap between the first and second longiform fasteners, and therefore between the first and second flexible cover elements. This vacuum space forms an air opening between the inside and the outside of the culture shed allowing a natural regulation of the temperature inside the culture shelter and a renewal of the air inside the culture shelter. shelter of culture.
Avantageusement, un tel espace vide peut être prévu sur, au moins une partie de, de préférence sur toute la, longueur de l'abri de culture.  Advantageously, such a void space may be provided on, at least a portion of, preferably over the entire length of the culture shelter.
La capacité d'aération obtenue dépend de la distance/hauteur séparant les deux surfaces de retenue. Par exemple, la distance/hauteur entre la première surface de retenue et la deuxième surface de retenue, mesurée dans une direction perpendiculaire à l'abri de culture au niveau du dispositif de fixation, peut être comprise entre 4cm et 100cm, en particulier entre 8cm et 60cm.  The aeration capacity obtained depends on the distance / height separating the two retaining surfaces. For example, the distance / height between the first retaining surface and the second retaining surface, measured in a direction perpendicular to the culture shelter at the level of the fixing device, may be between 4 cm and 100 cm, in particular between 8 cm and 60cm.
Suivant une deuxième caractéristique particulièrement avantageuse, qui peut combinée ou non, la première caractéristique avantageuse qui vient d'être décrite, la première surface de retenue peut être décalée par rapport à la deuxième surface de retenue de sorte que le premier élément de couverture souple et le deuxième élément de couverture souple comportent une zone de chevauchement non nulle. Autrement dit, il existe une distance non nulle entre la première surface de retenue et la deuxième surface de retenue, dans une direction tangente à l'abri de culture au niveau dudit dispositif de fixation. According to a second particularly advantageous characteristic, which may or may not combine, the first advantageous characteristic which has just been described, the first retaining surface may be offset relative to the second retaining surface so that the first flexible and the second flexible cover element has a non-zero overlap zone. In other words, there is a non-zero distance between the first retaining surface and the second retaining surface, in a direction tangent to the culture shelter at said fixing device.
Ainsi, le dispositif selon l'invention permet de prévoir une zone au niveau de laquelle les premier et deuxième éléments de couverture souples se chevauchent. Cette zone de chevauchement permet d'obtenir une couverture de l'abri de culture étanche contre les précipitations. Bien entendu, pour assurer l'étanchéité, la zone de chevauchement est prévue suivant une direction descendante de l'intérieur de l'abri de culture vers l'extérieur de l'abri de culture.  Thus, the device according to the invention makes it possible to provide an area at which the first and second flexible cover elements overlap. This area of overlap allows to obtain a cover of the crop shelter against precipitation. Of course, to ensure tightness, the overlap zone is provided in a downward direction from the inside of the culture shelter to the outside of the culture shelter.
Avantageusement, une telle zone de chevauchement peut être prévue sur, au moins une partie de, de préférence sur toute la, longueur de l'abri de culture.  Advantageously, such an overlap zone may be provided on at least a portion of, preferably over the entire length of the culture shelter.
La capacité d'étanchéité obtenue dépend de la largeur de la zone de chevauchement. Par exemple, la distance de décalage entre la première surface de retenue et la deuxième surface de retenue, mesurée dans une direction tangente à l'abri de culture au niveau du dispositif de fixation, peut être comprise entre 4cm et 100cm, en particulier entre 8cm et 60cm. The sealing capacity obtained depends on the width of the overlapping zone. For example, the offset distance between the first holding surface and the second holding surface, measured in a Tangent direction to the culture shelter at the level of the fixing device, can be between 4cm and 100cm, in particular between 8cm and 60cm.
Avantageusement, la première direction forme avec la deuxième direction un angle non nul inférieur ou égale à 90°, et préférentiellement inférieur ou égale à 45° au niveau du dispositif de fixation. Advantageously, the first direction forms with the second direction a non-zero angle less than or equal to 90 °, and preferably less than or equal to 45 ° at the fixing device.
De plus, le dispositif selon l'invention peut présenter du côté des surfaces de retenue une extrémité/bord arrondi(e) ou incliné(e), en particulier dans le sens de la largeur de l'abri de culture. Plus particulièrement, le bord arrondi ou incliné est celui qui vient en regard ou en contact avec le ou les éléments de couverture, dans la configuration d'utilisation dudit dispositif. In addition, the device according to the invention may have on the side of the retaining surfaces a rounded end (e) or inclined (e), in particular in the width direction of the culture shelter. More particularly, the rounded or inclined edge is the one that comes opposite or in contact with the covering element or elements, in the configuration of use of said device.
Un tel bord arrondi ou incliné permet à l'élément de couverture souple de s'étendre sur le dispositif de fixation sans arrête agressive qui pourrait abîmer ledit élément de couverture souple.  Such a rounded or inclined edge allows the flexible cover member to extend over the fastener without aggressive stop which could damage said flexible cover member.
Dans la plus part des cas, les éléments de fixation longiforme présentent une section extérieur arrondie ou circulaire. In most cases, the elongate fasteners have a rounded or circular outer section.
Dans ce cas, au moins une, en particulier chaque, surface de retenu peut être de forme recourbée, en particulier circulaire, venant ainsi épouser la section extérieur circulaire ou arrondie des éléments de fixation longiformes. De plus, le dispositif de fixation selon l'invention peut comporter pour au moins une, en particulier chaque, surface de retenue, une forme tranchante ou pointue, prévue pour venir en contact de l'élément de couverture souple et perforer ledit élément de couverture souple, pendant le positionnement de l'élément de fixation longiforme contre ladite surface de retenue.  In this case, at least one, in particular each, retaining surface may be of curved shape, in particular circular, thus marrying the circular or rounded outer section of the elongated fastening elements. In addition, the fastening device according to the invention may comprise, for at least one, in particular each, retaining surface, a sharp or sharp shape, intended to come into contact with the flexible cover element and perforate said cover element. flexible, during the positioning of the elongated fastening element against said retaining surface.
Suivant un exemple de réalisation préféré, au moins une, en particulier chaque, surface de retenue peut présenter une largeur, ou un diamètre lorsque ladite surface de retenue est de forme circulaire ou arrondie, supérieur(e) ou égal(e) à 2cm, et de préférence supérieur(e) ou égal(e) à 4cm, par exemple égal à 4cm, ou 5cm, ou 6cm ou encore 7cm.. According to a preferred embodiment, at least one, in particular each, retaining surface may have a width, or a diameter when said retaining surface is circular in shape or rounded, greater than or equal to 2 cm, and preferably greater than or equal to 4 cm, for example equal to 4 cm, or 5 cm, or 6 cm or 7 cm.
De plus, la zone de fixation du dispositif selon l'invention sur une ferme de l'ossature de l'abri de culture peut comprendre, un logement d'accueil, de forme complémentaire à la section de la ferme. In addition, the attachment zone of the device according to the invention on a farm of the framework of the culture shelter may comprise, a receiving housing, of complementary shape to the section of the farm.
Ainsi, lorsque la ferme est de section circulaire, respectivement rectangulaire, la forme d'accueil peut être de section circulaire ou rectangulaire.  Thus, when the farm is of circular section, respectively rectangular, the home form may be circular or rectangular section.
Une telle forme d'accueil permet de faciliter le positionnement et le maintien en place du dispositif selon l'invention.  Such a form of home makes it easier to position and hold in place the device according to the invention.
En outre, le dispositif de fixation selon l'invention peut comprendre pour au moins une, en particulier chaque, surface de retenue un élément de verrouillage mobile, prévu pour verrouiller un élément de fixation longiforme disposé contre ladite surface de retenue. In addition, the fixing device according to the invention may comprise for at least one, in particular each, retaining surface a movable locking element, provided for locking a longiform fastening element disposed against said retaining surface.
Un tel élément de verrouillage mobile peut se présenter sous la forme d'une plaque mobile en rotation ou en translation, présentant un logement de forme complémentaire à la section extérieure de l'élément de fixation longiforme, venant se positionner contre ledit élément de fixation longiforme dans une position verrouillée.  Such a movable locking element may be in the form of a movable plate in rotation or in translation, having a housing of complementary shape to the outer section of the elongated fastening element, being positioned against said elongate fastening element in a locked position.
L'élément verrouillage mobile peut être prévu de sorte qu'il peut passer :  The movable locking element can be provided so that it can pass:
- dans une position déverrouillée par application d'un effort, par exemple par l'intermédiaire de l'élément de fixation verrouillée pendant son positionnement contre la surface de retenue ;  - In an unlocked position by applying a force, for example by means of the locking member locked during its positioning against the retaining surface;
- dans une position verrouillée uniquement sous l'effet de la gravité. Avantageusement, la zone de fixation peut comprendre au moins un moyen de fixation repositionnable, tel qu'un moyen de fixation par serrage autour de la ferme, prévu pour réaliser une fixation repositionnable dudit dispositif sur la ferme. Un tel moyen de fixation repositionnable permet une flexibilité d'ajustement de la position du dispositif de fixation. De plus, un tel moyen fixation repositionnable permet également d'ajuster, si nécessaire, la tension de l'élément de couverture souple en modifiant la position du dispositif de fixation dans une direction ou dans l'autre, dans le sens de la largeur de l'abri de culture. - in a locked position only under the effect of gravity. Advantageously, the fixing zone may comprise at least one repositionable fixing means, such as a fastening means clamping around the farm, provided to achieve a repositionable attachment of said device on the farm. Such a repositionable fixing means allows a flexibility of adjustment of the position of the fixing device. In addition, such a repositionable fastening means also makes it possible to adjust, if necessary, the tension of the flexible cover element by modifying the position of the fixing device in one direction or the other, in the direction of the width of the the shelter of culture.
Suivant un exemple de réalisation, nullement limitatif, le dispositif de fixation selon l'invention peut se présenter sous la forme d'un ensemble monobloc, par exemple sous la forme d'une plaque d'épaisseur négligeable, par exemple de l'ordre de 3mm, en particulier dans le sens de la longueur de l'abri de culture, de sorte qu'au moins une, en particulier chaque, surface de retenue présente une épaisseur négligeable dans le sens de la longueur de l'abri de culture, qui est également la direction définie par le ou les éléments de fixation longiforme. According to an exemplary embodiment, in no way limiting, the fixing device according to the invention can be in the form of a one-piece assembly, for example in the form of a plate of negligible thickness, for example of the order of 3 mm, in particular in the direction of the length of the culture shelter, so that at least one, in particular each, retaining surface has a negligible thickness in the direction of the length of the culture shelter, which is also the direction defined by the one or more elongate fasteners.
Préférentiellement, le dispositif de fixation selon l'invention peut être réalisé en acier.  Preferably, the fixing device according to the invention may be made of steel.
Selon un autre aspect de l'invention il est proposé un kit de couverture pour un abri de culture, de type serre comprenant : According to another aspect of the invention there is provided a cover kit for a greenhouse culture shelter, comprising:
- au moins deux éléments de couverture souples,  - at least two flexible cover elements,
- au moins deux éléments de fixation longiformes, et  at least two elongated fastening elements, and
- au moins deux dispositifs de fixation selon l'invention.  at least two fastening devices according to the invention.
Selon encore un autre aspect de l'invention, il est proposé un abri de culture comprenant : According to yet another aspect of the invention, there is provided a culture shelter comprising:
- une ossature comprenant au moins deux éléments d'ossature transversaux, dits fermes,  a framework comprising at least two transverse structural elements, said to be firm,
- au moins deux éléments de couverture souples,  - at least two flexible cover elements,
- au moins deux éléments de fixation longiformes, et  at least two elongated fastening elements, and
- au moins deux dispositifs selon l'invention, fixés à au moins deux fermes de ladite ossature. Suivant un premier mode de réalisation particulièrement préféré, l'abri de culture selon l'invention peut comprendre des dispositifs de fixation positionnés en partie haute de l'ossature dudit abri, au niveau d'une ligne de faitage de ladite ossature. at least two devices according to the invention, fixed to at least two trusses of said framework. According to a first particularly preferred embodiment, the culture shelter according to the invention may comprise fixing devices positioned in the upper part of the frame of said shelter, at a deformation line of said framework.
Ainsi, il est possible par exemple de créer une ouverture d'aération en partie haute de l'abri de culture.  Thus, it is possible for example to create an aeration opening in the upper part of the culture shelter.
Bien entendu, les dispositifs selon l'invention peuvent être disposés sur l'abri de culture dans le même sens. Of course, the devices according to the invention can be arranged on the culture shed in the same direction.
Alternativement, les dispositifs selon l'invention peuvent être disposés sur l'abri de culture dans deux sens opposés, par exemple tête-bêche.  Alternatively, the devices according to the invention can be arranged on the culture shelter in two opposite directions, for example head to tail.
Plus particulièrement, l'abri de culture selon l'invention peut comprendre, une première série d'au moins deux dispositifs de fixation alignés suivant une première direction longitudinale de l'abri de culture et au moins une deuxième série d'au moins deux dispositifs de fixation alignés suivant une deuxième direction longitudinale de l'abri de culture décalée par rapport à la première direction longitudinale dans le sens transversale de l'abri de culture. More particularly, the culture shelter according to the invention may comprise a first series of at least two fastening devices aligned in a first longitudinal direction of the culture shelter and at least a second series of at least two devices. fasteners aligned in a second longitudinal direction of the culture shelter offset from the first longitudinal direction in the transverse direction of the culture shelter.
Les dispositifs de fixation formant la première série peuvent disposés dans le même sens que les dispositifs de fixation formant la deuxième suivant. Alternativement, les dispositifs de fixation formant la première série peuvent disposés dans un sens opposé à celui des dispositifs de fixation formant la deuxième suivant.  The fasteners forming the first series may be arranged in the same direction as the fixing devices forming the second following. Alternatively, the fasteners forming the first series may be arranged in a direction opposite to that of the fasteners forming the second following.
Le sens de positionnement d'un dispositif de fixation est déterminé par rapport à la largeur de l'abri de culture. Autrement dit, le dispositif selon l'invention peut être disposé dans le sens de la largeur de l'abri de culture.  The positioning direction of a fixing device is determined with respect to the width of the culture shelter. In other words, the device according to the invention can be arranged in the width direction of the culture shelter.
Suivant d'autres modes de réalisation, qui peuvent être combinés entre eux et/ou combinés au premier mode de réalisation, l'abri de culture selon l'invention peut comprendre des dispositifs de fixation positionnés au niveau d'une bordure latérale de l'ossature dudit abri, ou au niveau d'une zone à équidistance d'une ligne de faitage et d'une bordure latérale de l'ossature dudit abri. De plus, l'abri de culture peut être muni de plusieurs dispositifs de fixation, répartis sur toute la longueur dudit abri de culture, de sorte à obtenir une séparation entre deux éléments de couverture adjacents sur toute la longueur dudit abri de culture. According to other embodiments, which can be combined with each other and / or combined with the first embodiment, the culture shelter according to the invention can comprise fixing devices positioned at a lateral edge of the frame of said shelter, or at a level equidistant from a deer line and a lateral border of the frame of said shelter. In addition, the culture shelter may be provided with several fixing devices, distributed over the entire length of said culture shelter, so as to obtain a separation between two adjacent cover elements along the entire length of said culture shelter.
L'abri de culture selon l'invention peut être un abri de culture multi- chapelle, un tunnel, un bi-tunnel, un tunnel de jardin, un tunnel de potager, etc. The culture shelter according to the invention may be a multi-chapel culture shelter, a tunnel, a bi-tunnel, a garden tunnel, a kitchen tunnel, etc.
Description des figures et modes de réalisation Description of the Figures and Embodiments
D'autres avantages et caractéristiques apparaîtront à l'examen de la description détaillée d'un mode de réalisation nullement limitatif, et des dessins annexés sur lesquels :  Other advantages and characteristics will appear on examining the detailed description of a non-limiting embodiment, and the appended drawings in which:
- la FIGURE 1 est une représentation schématique d'un premier exemple de réalisation d'un dispositif de fixation selon l'invention ;  - FIGURE 1 is a schematic representation of a first embodiment of a fixing device according to the invention;
- la FIGURE 2 est une représentation schématique d'un deuxième exemple de réalisation d'un dispositif de fixation selon l'invention ; - les FIGURES 3-5 sont des représentations schématiques de trois exemples de réalisation d'un abri de culture selon l'invention.  - FIGURE 2 is a schematic representation of a second embodiment of a fixing device according to the invention; - FIGURES 3-5 are schematic representations of three embodiments of a culture shelter according to the invention.
Il est bien entendu que les modes de réalisation qui seront décrits dans la suite ne sont nullement limitatifs. On pourra notamment imaginer des variantes de l'invention ne comprenant qu'une sélection de caractéristiques décrites par la suite, isolées des autres caractéristiques décrites, si cette sélection de caractéristiques est suffisante pour conférer un avantage technique ou pour différencier l'invention par rapport à de l'état de la technique antérieur. Cette sélection comprend au moins une caractéristique de préférence fonctionnelle sans détails structurels, ou avec seulement une partie des détails structurels si cette partie est uniquement suffisante pour conférer un avantage technique ou pour différencier l'invention par rapport à l'état de la technique antérieur.  It is understood that the embodiments which will be described in the following are in no way limiting. It will be possible to imagine variants of the invention comprising only a selection of characteristics described below, isolated from the other characteristics described, if this selection of characteristics is sufficient to confer a technical advantage or to differentiate the invention from of the prior art. This selection comprises at least one preferably functional characteristic without structural details, or with only a part of the structural details if this part is only sufficient to confer a technical advantage or to differentiate the invention from the state of the prior art.
Sur les figures les éléments communs à plusieurs figures conservent la même référence. La FIGURE 1 est une représentation schématique d'un premier exemple de réalisation d'un dispositif de fixation selon l'invention. In the figures, the elements common to several figures retain the same reference. FIG. 1 is a schematic representation of a first exemplary embodiment of a fixing device according to the invention.
Le dispositif 100 représenté sur la FIGURE 1 permet de fixer deux éléments de couverture souples indépendants 102, 104 sur une ossature d'un abri de culture par l'intermédiaire de deux éléments de fixation longiformes, respectivement 106 et 108, préalablement passé dans un ourlet formé sur la bordure de fixation de chaque élément de couverture souple 102, 104.  The device 100 shown in FIG. 1 makes it possible to fix two independent flexible covering elements 102, 104 on a framework of a culture shelter via two longiform fastening elements, respectively 106 and 108, previously passed in a hem. formed on the fastening edge of each flexible cover member 102, 104.
Le dispositif 100 est représenté fixé sur une ferme 110 de l'ossature de l'abri de culture.  The device 100 is shown fixed on a farm 110 of the framework of the culture shelter.
Le dispositif 100 comprend une zone de fixation 112 dudit dispositif de fixation sur la ferme 110. Cette zone de fixation 112 comprend un logement d'accueil 114, de forme complémentaire à la section extérieure de la ferme 110, dans lequel la ferme 110 vient se loger. Ce logement d'accueil 114 permet de faciliter le positionnement et le maintien du dispositif de fixation 100 sur la ferme 110.  The device 100 comprises a fastening zone 112 of said fastening device on the farm 110. This fastening zone 112 comprises a receiving housing 114 of complementary shape to the outer section of the farm 110, in which the farm 110 is located. housing. This reception housing 114 facilitates the positioning and maintenance of the fixing device 100 on the farm 110.
Le dispositif 100 comprend une première surface de retenue 116, prévue pour retenir l'élément de fixation longiforme 106 et une deuxième surface de retenue 118, pour retenir l'élément de fixation longiforme 108. La surface de retenue 116 empêche l'élément de fixation longiforme 106 de se déplacer dans une première direction 120, dans laquelle l'élément de couverture souple 102 s'étend . La surface de retenue 118 empêche l'élément de fixation longiforme 108 de se déplacer dans une deuxième direction 122 dans laquelle l'élément de couverture souple 104 s'étend. Les directions 120 et 122 sont opposées entre-elles le long de la trajectoire définie par l'ossature de l'abri de culture, et en particulier, le long de la trajectoire définie par la ferme 110, dans le sens de la largeur de l'abri de culture.  The device 100 includes a first retaining surface 116, intended to retain the elongate fastener 106 and a second retaining surface 118, to retain the elongate fastener 108. The retaining surface 116 prevents the fastener longiform 106 to move in a first direction 120, wherein the flexible cover member 102 extends. The retaining surface 118 prevents the elongated fastener 108 from moving in a second direction 122 in which the flexible cover member 104 extends. The directions 120 and 122 are opposed to each other along the path defined by the framework of the culture shelter, and in particular, along the path defined by the farm 110, in the direction of the width of the shelter of culture.
Chaque surface de retenue 116, 118 définit un logement de retenue arrondie d'un diamètre légèrement supérieure au diamètre de chaque élément de fixation longiforme, respectivement 106 et 108.  Each retaining surface 116, 118 defines a rounded retaining housing with a diameter slightly greater than the diameter of each elongated fastener element, respectively 106 and 108.
Chaque logement de retenue arrondie formée par chaque surface de retenue 116, 118 présente un diamètre de 4cm. La surface de retenue 118 est décalée par rapport à la surface de retenue 116 d'une distance 124, mesurée dans une direction tangente à la ferme 110 au niveau dudit dispositif 110, dans le sens de la largeur de l'abri de culture. Ainsi, les éléments de couverture 102 et 104 comportent une zone de chevauchement non nulle, de largeur 124. Cette zone de chevauchement permet d'assurer une étanchéité contre les intempéries. Each rounded retaining housing formed by each retaining surface 116, 118 has a diameter of 4cm. The retaining surface 118 is offset from the retaining surface 116 by a distance 124, measured in a direction tangent to the truss 110 at said device 110, in the width direction of the culture shelter. Thus, the covering elements 102 and 104 comprise a zone of non-zero overlap, of width 124. This overlapping zone makes it possible to seal against the elements.
Suivant un exemple de réalisation, la distance de chevauchement 124 est égale à 8cm.  According to an exemplary embodiment, the overlap distance 124 is equal to 8 cm.
La surface de retenue 118 est en outre disposée à distance par rapport à la surface de retenue 116, d'une valeur 126 mesurée dans une direction perpendiculaire à la ferme 110 au niveau dudit dispositif 110. Ainsi, les éléments de couverture 102 et 104 comportent un espace vide 128 entre eux, au niveau du dispositif de fixation 100, formant une ouverture d'aération, autorisant le passage de l'air vers et depuis l'intérieur de l'abri de culture, et participant ainsi d'une part à la régulation de la température à l'intérieur de l'abri de culture, et d'autre part au renouvellement de l'air se trouvant dans l'abri de culture.  The retaining surface 118 is further disposed at a distance from the retaining surface 116 by a value 126 measured in a direction perpendicular to the trough 110 at said device 110. Thus, the cover elements 102 and 104 comprise an empty space 128 between them, at the level of the fixing device 100, forming an air opening, allowing the passage of air to and from the inside of the culture shed, and thus participating on the one hand in the regulation of the temperature inside the culture shelter, and on the other hand the renewal of the air in the culture shelter.
Suivant un exemple de réalisation, la distance 126 est égale à 9,6cm. Dans l'exemple représenté sur la FIGURE 1, la surface de retenue 118 est disposée au-dessus de la surface de retenue 116 de sorte que l'élément de couverture souple 104 est disposé au-dessus de l'élément de couverture souple 102 au niveau de la zone de chevauchement et de l'ouverture d'aération.  According to an exemplary embodiment, the distance 126 is equal to 9.6 cm. In the example shown in FIGURE 1, the retaining surface 118 is disposed above the retaining surface 116 so that the flexible cover member 104 is disposed above the flexible cover member 102 at the level of the overlap area and the ventilation opening.
Du côté de son extrémité venant en contact avec l'élément de couverture souple 104, le dispositif présente un bord incliné 130 vers la ferme 110 suivant la direction 122 de sorte à accompagner l'élément de couverture souple 104 qui s'étend dans cette direction et ne pas former d'arrêté abrupte pouvant abîmer l'élément de couverture souple 104.  On the end side engaging the flexible cover member 104, the device has an inclined edge 130 toward the truss 110 in the direction 122 so as to accompany the flexible cover member 104 which extends in this direction. and not forming a steep decree that could damage the flexible cover element 104.
Au niveau de la surface de retenue 118, le dispositif 100 comporte une arrête tranchante 132 venant perforer et traverser l'élément de couverture souple 122 lors du positionnement de l'élément de fixation longiforme 108 contre la surface de retenue 118. Au niveau de la zone de fixation 112, et autour du logement d'accueil 114, le dispositif comprend plusieurs trous traversants 134 prévus pour être traversées par des vis (non représentés) qui viennent serrer le dispositif de fixation autour de la ferme 110 dans une position ajustable. Ainsi, la position du dispositif 100 sur la ferme 110 n'est pas prédéterminée et peut être modifiée à souhait par l'utilisateur, pour modifier la couverture de l'abri de culture ou encore pour ajuster la tension de l'un au moins des éléments de couverture souples 102, 104. At the retaining surface 118, the device 100 has a cutting edge 132 which perforates and passes through the flexible cover member 122 when positioning the elongate fastener 108 against the retaining surface 118. At the level of the attachment zone 112, and around the receiving housing 114, the device comprises several through holes 134 provided to be traversed by screws (not shown) which tighten the fixing device around the farm 110 in a adjustable position. Thus, the position of the device 100 on the farm 110 is not predetermined and can be modified at will by the user, to change the cover of the culture shelter or to adjust the tension of at least one of flexible cover elements 102, 104.
Le dispositif 100 représenté sur la FIGURE est monobloc. Il est par ailleurs formé par une plaque en acier, d'épaisseur négligeable. Ainsi, chacune des surfaces de retenue 116 et 118 présentent une épaisseur très faible, voire négligeable.  The device 100 shown in FIGURE is monobloc. It is also formed by a steel plate, of negligible thickness. Thus, each of the retaining surfaces 116 and 118 have a very small thickness, or even negligible.
La FIGURE 2 est une représentation schématique d'un deuxième exemple de réalisation d'un dispositif de fixation selon l'invention. FIGURE 2 is a schematic representation of a second embodiment of a fastening device according to the invention.
Le dispositif 200 représenté sur la FIGURE 2 comporte tous les éléments du dispositif 100 représenté sur la FIGURE 1.  The device 200 shown in FIGURE 2 includes all the elements of the device 100 shown in FIGURE 1.
Le dispositif 200 diffère du dispositif 100 en ce que les distances 124 et 136 séparant les surfaces de retenue 116 et 118 du dispositif 200 sont plus grandes par rapport aux distances 124 et 126 les surfaces de retenue 116 et 118 du dispositif 100. Dans l'exemple représenté sur la FIGURE 2, la distance 124 est égale 57,95cm et la distance 126 est égale à 55,85cm.  The device 200 differs from the device 100 in that the distances 124 and 136 between the retaining surfaces 116 and 118 of the device 200 are larger relative to the distances 124 and 126 the retaining surfaces 116 and 118 of the device 100. In the example shown in FIGURE 2, the distance 124 is 57.95cm and the distance 126 is 55.85cm.
En outre, le dispositif 200 comporte au niveau de la surface de retenue 116 une pièce de verrouillage 202 de l'élément de fixation longiforme 106 lorsque ce dernier est positionné contre la surface de retenue 106. La pièce de verrouillage 202 est prévue rotative autour d'un axe sensiblement parallèle à l'élément de fixation longiforme 106. Elle est repoussée dans une position déverrouillée par l'élément de fixation longiforme 106, lorsque ce dernier est positionné contre la surface de retenue 116. Une fois que l'élément de fixation longiforme 106 est en place, la pièce de verrouillage 202 retombe par gravité et vient se positionner contre l'élément de fixation longiforme 106. Cette pièce de verrouillage 202 de l'élément de fixation longiforme 106 permet d'éviter que l'élément de fixation longiforme 106 s'enlève de manière intempestive. In addition, the device 200 has at the retaining surface 116 a locking piece 202 of the elongated fastener 106 when the latter is positioned against the retaining surface 106. The locking piece 202 is rotatably disposed around the retaining surface 106. an axis substantially parallel to the elongated fastening element 106. It is pushed into an unlocked position by the elongated fastener 106, when the latter is positioned against the retaining surface 116. Once the fastener longiforme 106 is in place, the locking piece 202 falls by gravity and is positioned against the elongated fastening element 106. This locking piece 202 the elongated fastening element 106 prevents the elongated fastening element 106 from being removed inadvertently.
Bien entendu, le dispositif 200 peut aussi comporter une pièce de verrouillage au niveau de la surface de retenue 118 pour verrouiller en position l'élément de fixation longiforme 108.  Of course, the device 200 may also include a locking piece at the retaining surface 118 for locking the elongated fastening element 108 in position.
Les FIGURES 3-5 sont des représentations schématiques, selon une vue de face, de trois exemples d'un abri de culture selon l'invention. FIGURES 3-5 are schematic representations, in a front view, of three examples of a culture shelter according to the invention.
L'abri de culture 300 représenté sur la FIGURE 3 comporte une pluralité de dispositifs de fixation, par exemple une pluralité de dispositifs de fixation 100, répartis et alignés sur toute la longueur de l'abri de culture 300 au niveau d'une ligne de faitage de l'abri de culture 300. Ainsi, une ouverture d'aération 128 est créée au niveau de la ligne de faitage de l'abri de culture 300.  The culture shelter 300 shown in FIG. 3 comprises a plurality of fixing devices, for example a plurality of fixing devices 100, distributed and aligned along the entire length of the culture shelter 300 at a line of deage culture culture 300. Thus, an aeration opening 128 is created at the level of the debris of the culture shelter 300.
L'abri de culture 400 représenté sur la FIGURE 4 comporte une pluralité de dispositifs de fixation, par exemple une pluralité de dispositifs de fixation 100, répartis et alignés sur toute la longueur de l'abri de culture 400 au niveau d'une bordure latérale de l'abri de culture 400. Ainsi, une ouverture d'aération 128 est créée au niveau de la bordure latérale de l'abri de culture 400. The culture shelter 400 shown in FIG. 4 comprises a plurality of fixing devices, for example a plurality of fastening devices 100, distributed and aligned along the entire length of the culture shelter 400 at a lateral border. of the culture shelter 400. Thus, an aeration opening 128 is created at the side edge of the culture shelter 400.
L'abri de culture 500 représenté sur la FIGURE 5 comporte une pluralité de dispositifs de fixation 100 répartis et alignés sur toute la longueur de l'abri de culture 500 au niveau d'une ligne de faitage de l'abri de culture 500. Ainsi, une ouverture d'aération 128i est créée au niveau de la ligne de faitage de l'abri de culture 400. The culture shelter 500 shown in FIG. 5 comprises a plurality of fastening devices 100 distributed and aligned along the entire length of the culture shelter 500 at a deer line of the culture shelter 500. , a ventilation opening 128i is created at the dewatering line of the culture shelter 400.
De plus, l'abri de culture 500 représenté sur la FIGURE 5 comporte également une pluralité de dispositifs de fixation 100 répartis et alignés sur toute la longueur de l'abri de culture 500 au niveau d'une bordure latérale de l'abri de culture 400. Ainsi, une deuxième ouverture d'aération 1282 est créée au niveau de la bordure latérale de l'abri de culture 400. Autrement dit, l'abri de culture 500 combine les configurations des abris de culture 300 et 400 des FIGURES 3 et 4. In addition, the culture shelter 500 shown in FIGURE 5 also comprises a plurality of fastening devices 100 distributed and aligned along the entire length of the culture shelter 500 at a lateral border of the culture shelter. 400. Thus, a second ventilation opening 128 2 is created at the side edge of the culture shelter 400. In other words, the culture shelter 500 combines the configurations of the culture shelters 300 and 400 of FIGURES 3 and 4.
Bien entendu, l'invention couvre également d'autres configurations non représentées sur les FIGURES. Ainsi, l'abri de culture selon l'invention peut comporter une ou plusieurs séries de dispositifs de fixation, comprenant chacune plusieurs dispositifs de fixation alignés dans le sens de la longueur de l'abri de culture, en une ou des positions se trouvant entre les bordures latérales de l'abri. Par exemple l'abri de culture peut comporter deux séries de dispositifs de fixation se trouvant chacune du côté d'une bordure latérale de l'abri. Alternativement ou en plus, l'abri de culture peut comporter deux séries de dispositifs de fixation se trouvant chacune d'un côté ou de l'autre de la ligne de faitage de l'abri de culture au niveau de ladite ligne de faitage. Of course, the invention also covers other configurations not shown in FIGURES. Thus, the culture shelter according to the invention may comprise one or more series of fixing devices, each comprising several fixing devices aligned in the direction of the length of the culture shelter, in one or positions located between the lateral edges of the shelter. For example the culture shelter may comprise two sets of fasteners each located on the side of a side edge of the shelter. Alternatively or in addition, the culture shelter may comprise two sets of fastening devices each located on one side or the other of the debris line of the crop shelter at said level line.
Bien entendu, l'invention n'est pas limitée aux exemples détaillés ci- dessus. Of course, the invention is not limited to the examples detailed above.

Claims

REVENDICATIONS
1. Dispositif (100;200) de fixation d'éléments de couverture souples (102,104) sur une ossature d'un abri de culture (300;400; 500), de type serre, comprenant : A device (100; 200) for attaching flexible cover members (102,104) to a framework of a greenhouse (300; 400; 500) of greenhouse type comprising:
- au moins zone de fixation (112) dudit dispositif (100; 200) sur un élément transversale (110), dite ferme, de ladite ossature ; - At least fixing zone (112) of said device (100; 200) on a transverse element (110), said firm, said frame;
- au moins une première surface de retenue (116), dans une première direction (120), d'un premier élément de fixation longiforme (106) préalablement fixé à un premier élément de couverture souple (102) ; - at least a first retaining surface (116), in a first direction (120), of a first elongated fastener (106) previously attached to a first flexible cover member (102);
caractérisé en ce qu'il comprend en outre au moins une deuxième surface de retenue (118), dans une deuxième direction (122), d'un deuxième élément de fixation longiforme (108) préalablement fixé à un deuxième élément de couverture souple (104). characterized in that it further comprises at least a second retaining surface (118), in a second direction (122), of a second elongated fastener (108) previously attached to a second flexible cover member (104). ).
2. Dispositif (100; 200) selon la revendication 1, caractérisé en ce que la première surface de retenue (116) est positionnée plus proche de la zone de fixation (112) comparée à la deuxième surface de retenue (118), de sorte que le premier élément de fixation longiforme (106) est maintenu plus proche de la zone de fixation (112) comparé au deuxième élément de fixation longiforme (108). Device (100; 200) according to claim 1, characterized in that the first retaining surface (116) is positioned closer to the attachment area (112) compared to the second retaining surface (118), so that the first elongated fastener (106) is held closer to the fastening area (112) as compared to the second elongate fastener (108).
3. Dispositif (100; 200) selon l'une quelconque des revendications précédentes, caractérisé en ce que la première surface de retenue (116) est décalée par rapport à la deuxième surface de retenue (118) de sorte que le premier élément de couverture souple (102) et le deuxième élément de couverture souple (104) comportent une zone de chevauchement non nulle. Device (100; 200) according to one of the preceding claims, characterized in that the first retaining surface (116) is offset from the second retaining surface (118) so that the first cover element flexible (102) and the second flexible cover member (104) have a non-zero overlap area.
4. Dispositif (100; 200) selon l'une quelconque des revendications précédentes, caractérisé en ce que la première direction (120) forme avec la deuxième direction (122) un angle non nul inférieur ou égale à 90°, et préférentiellement inférieur ou égale à 45°. 4. Device (100; 200) according to any one of the preceding claims, characterized in that the first direction (120) forms with the second direction (122) a non-zero angle less than or equal to 90 °, and preferably lower or equal to 45 °.
5. Dispositif (100; 200) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il présente du côté des surfaces de retenue (116,118) une extrémité ou un bord (130) arrondi(e) ou incliné(e). 5. Device (100; 200) according to any one of the preceding claims, characterized in that it has on the side of the retaining surfaces (116,118) an end or a rim (130) rounded (e) or inclined (e) .
6. Dispositif (100; 200) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une, en particulier chaque, surface de retenue (116,118) est de forme recourbée, en particulier circulaire. 6. Device (100; 200) according to any one of the preceding claims, characterized in that at least one, in particular each, retaining surface (116,118) is curved, in particular circular.
7. Dispositif (100; 200) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend pour au moins une, en particulier chaque, surface de retenue (118), une forme tranchante ou pointue (132), prévue pour perforer l'élément de couverture souple (104). 7. Device (100; 200) according to any one of the preceding claims, characterized in that it comprises for at least one, in particular each, retaining surface (118), a cutting or pointed form (132), provided for perforating the flexible cover member (104).
8. Dispositif (100; 200) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une, en particulier chaque, surface de retenue (116,118) présente une largeur ou un diamètre supérieure ou égale à 2cm, et de préférence supérieure ou égale à 4cm. 8. Device (100; 200) according to any one of the preceding claims, characterized in that at least one, in particular each, retaining surface (116,118) has a width or a diameter greater than or equal to 2cm, and preferably greater than or equal to 4cm.
9. Dispositif (200) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend, pour au moins une, en particulier chaque, surface de retenue (116) un élément verrouillage mobile (202), prévu pour verrouiller un élément de fixation longiforme (106) disposé contre ladite surface de retenue (116). 9. Device (200) according to any one of the preceding claims, characterized in that it comprises, for at least one, in particular each, retaining surface (116) a movable locking element (202), provided to lock a elongated fastener (106) disposed against said retaining surface (116).
10. Dispositif (100; 200) selon l'une quelconque des revendications précédentes, caractérisé en ce que la zone de fixation (112) comprend au moins un moyen de fixation (134) prévu pour réaliser une fixation repositionnable dudit dispositif (100; 200) sur la ferme (110), tel qu'un moyen de fixation par serrage. 10. Device (100; 200) according to any one of the preceding claims, characterized in that the attachment zone (112) comprises at least one fastening means (134) provided for making a repositionable attachment of said device (100; ) on the farm (110), such as clamping means.
11. Dispositif (100; 200) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il se présente sous la forme d'une plaque d'épaisseur négligeable, par exemple de l'ordre de 3mm, en particulier réalisé en acier, de sorte qu'au moins une, en particulier chaque, surface de retenue (116,118) présente une épaisseur négligeable dans la direction définie par le ou les éléments de fixation longiforme (106,108). 11. Device (100; 200) according to any one of the preceding claims, characterized in that it is in the form of a plate of negligible thickness, for example of the order of 3 mm, in particular made of steel, so that at least one, in particular each, retaining surface (116, 118) has a negligible thickness in the direction defined by the elongate fasteners (106,108).
12. Kit de couverture pour un abri de culture (300;400; 500), de type serre comprenant : 12. Covering kit for a greenhouse (300; 400; 500) of the greenhouse type comprising:
- au moins deux éléments de couverture souples (102,104), at least two flexible cover elements (102, 104),
- au moins deux éléments de fixation longiformes (106,108), et - au moins deux dispositifs de fixation (100,200) selon l'une quelconque des revendications précédentes. at least two long-form fixing elements (106, 108), and at least two fixing devices (100, 200) according to any one of the preceding claims.
13. Abri de culture (300;400; 500) comprenant : 13. Culture shelter (300; 400; 500) comprising:
- une ossature comprenant au moins deux éléments d'ossature transversaux (110), dits fermes,  a frame comprising at least two transverse frame elements (110), said to be firm,
- au moins deux éléments de couverture souples (102,104), at least two flexible cover elements (102, 104),
- au moins deux éléments de fixation longiformes (106,108), etat least two elongated fastening elements (106, 108), and
- au moins deux dispositifs (100,200) selon l'une quelconque des revendications 1 à 11 fixés à au moins deux fermes (110) de ladite ossature. - At least two devices (100,200) according to any one of claims 1 to 11 attached to at least two farms (110) of said frame.
14. Abri de culture (300;500) selon la revendication précédente, caractérisé en ce que les dispositifs de fixation (100,200) sont positionnés en partie haute de l'ossature dudit abri (300; 500) au niveau d'une ligne de faitage de ladite ossature. 14. Culture shed (300; 500) according to the preceding claim, characterized in that the fixing devices (100,200) are positioned in the upper part of the frame of said shed (300; 500) at a ridge line. of said frame.
PCT/EP2016/065220 2015-06-30 2016-06-29 Device for fastening (a) cover element(s) for a crop shelter, and crop shelter provided with such devices WO2017001527A1 (en)

Applications Claiming Priority (2)

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FR1556112 2015-06-30
FR1556112A FR3038206B1 (en) 2015-06-30 2015-06-30 DEVICE FOR FIXING COVERING ELEMENT (S) FOR CULTURE SHELTER, CULTURE SHELTER PROVIDED WITH SUCH DEVICES.

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FR3125676B1 (en) * 2021-07-29 2023-11-24 Europlastic Greenhouse structure comprising a device for adjusting the tension of a tarpaulin

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FR2289111A1 (en) * 1974-10-30 1976-05-28 Tosello Ugo Metal frame for greenhouses - has tubular construction, with plastic sheet cover, grill and sky-light
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