FR2932540A1 - Flexible plastic case fixing device for use during construction of glasshouse, has assembling section provided with rigid body, where part of section has protective coating constituted of polymer having hardness less than that of body - Google Patents
Flexible plastic case fixing device for use during construction of glasshouse, has assembling section provided with rigid body, where part of section has protective coating constituted of polymer having hardness less than that of body Download PDFInfo
- Publication number
- FR2932540A1 FR2932540A1 FR0803335A FR0803335A FR2932540A1 FR 2932540 A1 FR2932540 A1 FR 2932540A1 FR 0803335 A FR0803335 A FR 0803335A FR 0803335 A FR0803335 A FR 0803335A FR 2932540 A1 FR2932540 A1 FR 2932540A1
- Authority
- FR
- France
- Prior art keywords
- notch
- flexible
- fixing device
- section
- surface coating
- 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- Withdrawn
Links
- 229920002457 flexible plastic Polymers 0.000 title claims abstract description 8
- 239000011253 protective coating Substances 0.000 title abstract 2
- 238000010276 construction Methods 0.000 title 1
- 229920000642 polymer Polymers 0.000 title 1
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 6
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 15
- 239000004800 polyvinyl chloride Substances 0.000 claims description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000003100 immobilizing effect Effects 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 229920003031 santoprene Polymers 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
- F16B5/0692—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining flexible sheets to other sheets or plates or to strips or bars
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Connection Of Plates (AREA)
Abstract
Description
Profilé d'assemblage par coincement d'une bâche en matière plastique souple. Domaine technique de l'invention Joining profile by wedging a tarpaulin of flexible plastic material. Technical field of the invention
L'invention est relative à un dispositif de fixation par coincement d'une bâche en matière plastique souple dans une encoche d'un organe de support 10 métallique, ledit dispositif de fixation comprenant un profilé d'assemblage ayant un corps en matière plastique rigide destiné à immobiliser la bâche au fond de ladite encoche. The invention relates to a fixing device by wedging a sheet of flexible plastic material in a notch of a metal support member, said fixing device comprising an assembly section having a rigid plastic body intended to to immobilize the tarpaulin at the bottom of said notch.
État de la technique 15 Lors de la construction d'une serre à partir d'une gaine ou film en matière plastique souple fixée sur une structure métallique avec des montants ou profilés en aluminium, il est classique de maintenir la gaine au moyen de clips insérés dans les profilés. La gaine utilisée est généralement en 20 polyéthylène, transparent ou non, laquelle est soumise à des déformations élastiques en fonction des variations de température et des conditions climatiques. Ces déformations peuvent se traduire par des tensions ou contraintes mécaniques anormales au niveau des zones de fixation avec les clips, entraînant des déchirures et une usure prématurée de la gaine. 25 Objet de l'invention STATE OF THE ART When constructing a greenhouse from a sheath or flexible plastic film attached to a metal structure with aluminum posts or profiles, it is conventional to maintain the sheath by means of inserted clips. in the profiles. The sheath used is generally made of polyethylene, transparent or otherwise, which is subjected to elastic deformations as a function of temperature variations and climatic conditions. These deformations can result in abnormal mechanical tensions or stresses at the attachment areas with the clips, resulting in tearing and premature wear of the sheath. Object of the invention
L'objet de l'invention consiste à réaliser un profilé d'assemblage en matière plastique pour assurer un maintien sûr et fiable d'une bâche sans risque de 30 déchirement.5 The object of the invention is to provide a plastic assembly profile to ensure a safe and reliable maintenance of a tarpaulin without the risk of tearing.
Le dispositif selon l'invention est caractérisé en ce qu'au moins une partie du profilé d'assemblage venant en contact dans l'encoche avec la bâche, est équipée d'un revêtement superficiel de protection constitué par un polymère thermoplastique souple ayant une dureté inférieure à celle du corps. La bâche coincée dans l'organe de support, est uniquement en contact avec le revêtement superficiel en polymère thermoplastique souple, ce qui la protège contre toute usure prématurée ou déchirure dans cette zone de fixation. 10 Selon un mode de réalisation préférentiel, le profilé d'assemblage est composé d'un élément de retenue en forme d'oméga et d'un élément de verrouillage destiné à s'engager par encliquetage dans l'élément de retenue pour bloquer la bâche dans l'encoche. Le revêtement superficiel souple est avantageusement coextrudé avec le corps du profilé d'assemblage. The device according to the invention is characterized in that at least a part of the connecting profile coming into contact in the notch with the sheet is equipped with a protective surface coating consisting of a flexible thermoplastic polymer having a hardness less than that of the body. The tarpaulin stuck in the support member, is only in contact with the surface coating of flexible thermoplastic polymer, which protects it against premature wear or tear in this area of attachment. According to a preferred embodiment, the connecting profile is composed of an omega-shaped retaining element and a locking element intended to snap-engage in the retaining element to block the covering. in the notch. The flexible surface coating is advantageously coextruded with the body of the joining profile.
De préférence, le revêtement superficiel est à base de polychlorure de vinyle 20 souple, ou peut être un élastomère thermoplastique. Preferably, the surface coating is based on soft polyvinyl chloride, or may be a thermoplastic elastomer.
Description sommaire des dessins Brief description of the drawings
D'autres avantages et caractéristiques ressortiront plus clairement de la 25 description qui va suivre d'un mode de réalisation de l'invention donné à titre d'exemple non limitatif et représenté aux dessins annexés, dans lesquels : Other advantages and features will emerge more clearly from the following description of an embodiment of the invention given by way of nonlimiting example and represented in the accompanying drawings, in which:
la figure 1 représente une vue en coupe du dispositif de fixation selon l'invention, logé dans un profilé en aluminium pour le coincement d'une so bâche en film plastique souple ; 15 3 Figure 1 shows a sectional view of the fastening device according to the invention, housed in an aluminum profile for the wedging of a SO tarpaulin flexible plastic film; 15 3
la figure 2 montre l'élément de retenue en forme d'Oméga du dispositif de fixation ; la figure 3 représente l'élément de verrouillage destiné à être inséré dans l'élément de retenue du dispositif de fixation. Description d'un mode préférentiel de l'invention Figure 2 shows the Omega-shaped retainer of the fastener; Figure 3 shows the locking member for insertion into the retaining member of the fastener. Description of a preferred embodiment of the invention
Sur la figure 1, une bâche 10 réalisée en matière plastique souple, est 10 maintenue sur un organe de support 11 métallique par un dispositif de fixation 12 composé d'un élément de retenue 13 et d'un élément de verrouillage 14. L'organe de support 11 métallique peut être un profilé en aluminium, pourvu d'au moins une encoche 15 dans laquelle est coincée la bâche 10. 15 La bâche 10 souple est en polyéthylène ou autre matière plastique, et peut présenter une seule épaisseur dans le cas d'un film, ou une épaisseur double dans le cas d'une gaine. In FIG. 1, a tarpaulin 10 made of flexible plastic material is held on a metal support member 11 by a fastening device 12 composed of a retaining element 13 and a locking element 14. metal support 11 may be an aluminum profile, provided with at least one notch 15 in which the tarpaulin 10 is jammed. The flexible tarpaulin 10 is made of polyethylene or other plastic material, and may have a single thickness in the case of a film, or a double thickness in the case of a sheath.
20 En référence à la figure 2, l'élément de retenue 13 est constitué par un profilé d'assemblage en forme d'Oméga, comprenant un corps 16 en matière plastique rigide ayant une bonne tenue à la température et une résistance mécanique élevée. La matière plastique de base utilisée pour le corps 16 peut être du polychlorure de vinyle PVC, ou un polyoléfine, notamment du 25 type polypropylène PP chargé de talc. With reference to FIG. 2, the retaining element 13 is constituted by an Omega-shaped assembly profile comprising a rigid plastic body 16 having good temperature resistance and high mechanical strength. The basic plastic material used for the body 16 may be PVC polyvinyl chloride, or a polyolefin, especially polypropylene PP type filled with talc.
Au moins une partie du corps 16 venant en contact dans l'encoche 15 avec la bâche 10, est dotée d'un revêtement superficiel 17 de protection destiné à empêcher toute détérioration de la bâche 10 lors de son coincement dans 30 l'encoche 15. Ce revêtement superficiel 17 est coextrudé avec le corps 16, et est constitué par un polymère thermoplastique souple ayant une dureté5 At least a part of the body 16 coming into contact in the notch 15 with the sheet 10, is provided with a protective surface coating 17 intended to prevent any deterioration of the sheet 10 during its jamming in the notch 15. This surface coating 17 is coextruded with the body 16, and is constituted by a flexible thermoplastic polymer having a hardness
inférieure à celle du corps. En fonction du matériau utilisé pour réaliser le corps 16, le revêtement superficiel 17 peut être réalisé en polychlorure de vinyle PVC souple, ou en élastomère thermoplastique commercialisé sous le nom Santoprène ou Forprène. less than that of the body. Depending on the material used to make the body 16, the surface coating 17 may be made of flexible PVC polyvinyl chloride, or thermoplastic elastomer marketed under the name Santoprene or Forprene.
L'élément de retenue 13 en Oméga comporte deux ailes d'extrémités 18a, 18b coplanaires orientées en sens inverse, et réunies entre elles par une nervure centrale 19 convexe. L'intérieur en U de la structure en Oméga est équipé d'une paire de crans d'encliquetage 20a, 20b. Le revêtement superficiel 17 de protection recouvre uniquement la surface extérieure du corps 16 depuis les ailes 18a, 18b jusqu'à la nervure centrale 19. La bâche 10 sera pressée par cette surface extérieure de l'élément de retenue 13 contre le fond de l'encoche 15, et sera donc protégée par la présence du revêtement superficiel 17 souple. The Omega retaining element 13 comprises two coplanar end wings 18a, 18b oriented in opposite directions, and joined together by a convex central rib 19. The U-shaped interior of the Omega structure is equipped with a pair of detents 20a, 20b. The protective surface coating 17 covers only the outer surface of the body 16 from the wings 18a, 18b to the central rib 19. The sheet 10 will be pressed by this outer surface of the retaining element 13 against the bottom of the notch 15, and will therefore be protected by the presence of the surface coating 17 flexible.
Sur la figure 3, l'élément de verrouillage 14 assurant le blocage de l'élément de retenue 13 dans l'encoche 15 de l'organe de support 11, est conformé en clip ayant une embase 21 plane dotée de deux jambes 22a, 22b verticales équipées chacune d'un ergot 23a, 23b extérieur. Un arc de liaison 24 relie les deux jambes 22a, 22b dans la partie intermédiaire. In FIG. 3, the locking element 14 ensuring the locking of the retaining element 13 in the notch 15 of the support member 11, is in the form of a clip having a flat base 21 provided with two legs 22a, 22b vertical each equipped with a lug 23a, 23b outside. A connecting arc 24 connects the two legs 22a, 22b in the intermediate portion.
La matière plastique utilisée pour réaliser le profilé de l'élément de verrouillage 14 est identique à celui du corps 16 de l'élément de retenue 13. II s'agit du polychlorure de vinyle PVC, ou d'un polyoléfine, notamment du type polypropylène PP chargé de talc. The plastic material used to make the profile of the locking element 14 is identical to that of the body 16 of the retaining element 13. It is PVC polyvinyl chloride, or a polyolefin, especially polypropylene type PP loaded with talc.
Seules les bouts opposés de l'embase 21 sont recouverts d'un revêtement superficiel 117 coextrudé réalisé en polychlorure de vinyle PVC souple, ou en élastomère thermoplastique commercialisé sous le nom Santoprène ou Forprène. Ce revêtement superficiel 117 de protection possède une dureté inférieure à celle du profilé. Only the opposite ends of the base 21 are covered with a coextruded surface coating 117 made of flexible PVC polyvinyl chloride or thermoplastic elastomer sold under the name Santoprene or Forprene. This protective surface coating 117 has a hardness lower than that of the profile.
Sur la figure 1, la mise en place du dispositif de fixation 12 dans l'encoche 15 de l'organe de support 11 découle de la description précédente. On positionne d'abord la bâche 10 dans l'encoche 15, suivi de l'insertion de 5 l'élément de retenue 13 qui plaque la bâche 10 au fond de l'encoche 15. Les deux ailes d'extrémités 18a, 18b coplanaires prennent appui sur les rebords de l'organe de support 11, et il suffit ensuite de bloquer le dispositif de fixation 12 en enfonçant l'élément de verrouillage 14 dans le U de l'élément de retenue 13. Le verrouillage est positif dès que les ergots 23a, 23b ~o s'emboîtent dans les crans d'encliquetage 20a, 20b, et que l'embase 21 est plaquée contre les ailes d'extrémités 18a, 18b. In Figure 1, the establishment of the fixing device 12 in the notch 15 of the support member 11 is derived from the foregoing description. The tarpaulin 10 is first positioned in the notch 15, followed by the insertion of the retaining element 13 which plates the tarpaulin 10 at the bottom of the notch 15. The two coplanar end wings 18a, 18b are supported on the flanges of the support member 11, and then simply block the fastener 12 by pushing the locking member 14 in the U of the retaining element 13. The locking is positive as soon as the lugs 23a, 23b ~ o fit into the latching notches 20a, 20b, and that the base 21 is pressed against the end flanges 18a, 18b.
La bâche 10 coincée dans l'organe de support 11, est uniquement en contact avec les revêtements superficiels 17, 117 en polymère thermoplastique 15 souple, ce qui la protège contre toute usure ou déchirure dans cette zone de fixation. The tarpaulin 10 jammed in the support member 11 is only in contact with the surface coatings 17, 117 made of flexible thermoplastic polymer 15, which protects it against any wear or tear in this fastening zone.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0803335A FR2932540A1 (en) | 2008-06-16 | 2008-06-16 | Flexible plastic case fixing device for use during construction of glasshouse, has assembling section provided with rigid body, where part of section has protective coating constituted of polymer having hardness less than that of body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0803335A FR2932540A1 (en) | 2008-06-16 | 2008-06-16 | Flexible plastic case fixing device for use during construction of glasshouse, has assembling section provided with rigid body, where part of section has protective coating constituted of polymer having hardness less than that of body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2932540A1 true FR2932540A1 (en) | 2009-12-18 |
Family
ID=40280820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0803335A Withdrawn FR2932540A1 (en) | 2008-06-16 | 2008-06-16 | Flexible plastic case fixing device for use during construction of glasshouse, has assembling section provided with rigid body, where part of section has protective coating constituted of polymer having hardness less than that of body |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2932540A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019037221A (en) * | 2017-08-23 | 2019-03-14 | グリーン プラス カンパニー，リミテッド | Fixing device of hard film for greenhouse |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8900315U1 (en) * | 1989-01-12 | 1989-02-23 | Biasion Farmer Equipment S.p.A.-AG, Bolzano | Fastening device for tarpaulins or foils |
| WO1992010086A1 (en) * | 1990-12-06 | 1992-06-25 | Rolloos Sørensen B.V. | A greenhouse provided with a profiled frame for guiding a foil and also provided with a snap-on frame for the affixing thereof, as well as a profiled frame, a profiled snap-on frame, a clamping construction and a profiled beam |
| DE20101679U1 (en) * | 2001-01-22 | 2001-05-03 | "Durable" Hunke & Jochheim Gmbh & Co Kg, 58636 Iserlohn | Clamping rail |
| EP1880595A1 (en) * | 2006-07-17 | 2008-01-23 | Filclair S.A. | Greenhouse for growing vegetables under plastic |
-
2008
- 2008-06-16 FR FR0803335A patent/FR2932540A1/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8900315U1 (en) * | 1989-01-12 | 1989-02-23 | Biasion Farmer Equipment S.p.A.-AG, Bolzano | Fastening device for tarpaulins or foils |
| WO1992010086A1 (en) * | 1990-12-06 | 1992-06-25 | Rolloos Sørensen B.V. | A greenhouse provided with a profiled frame for guiding a foil and also provided with a snap-on frame for the affixing thereof, as well as a profiled frame, a profiled snap-on frame, a clamping construction and a profiled beam |
| DE20101679U1 (en) * | 2001-01-22 | 2001-05-03 | "Durable" Hunke & Jochheim Gmbh & Co Kg, 58636 Iserlohn | Clamping rail |
| EP1880595A1 (en) * | 2006-07-17 | 2008-01-23 | Filclair S.A. | Greenhouse for growing vegetables under plastic |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019037221A (en) * | 2017-08-23 | 2019-03-14 | グリーン プラス カンパニー，リミテッド | Fixing device of hard film for greenhouse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20130228 |