FR2826832A1 - Grape vine trellis fastener is molded from thermoplastic with butadiene rubber and vegetable substance to make it more photodegradable - Google Patents

Grape vine trellis fastener is molded from thermoplastic with butadiene rubber and vegetable substance to make it more photodegradable Download PDF

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Publication number
FR2826832A1
FR2826832A1 FR0109061A FR0109061A FR2826832A1 FR 2826832 A1 FR2826832 A1 FR 2826832A1 FR 0109061 A FR0109061 A FR 0109061A FR 0109061 A FR0109061 A FR 0109061A FR 2826832 A1 FR2826832 A1 FR 2826832A1
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fastener
photodegradable
make
thermoplastic
vegetable
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FR0109061A
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FR2826832B1 (en
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Linda Thomas
Maryline Leguay
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    • 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
    • A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/04—Supports for hops, vines, or trees
    • A01G17/06—Trellis-work
    • A01G17/08—Tools e.g. clips for attaching hops, vines, or boughs to trellis-work; Tying devices

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  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Supports For Plants (AREA)

Abstract

The fastener for attaching a grape vine to a support such as a trellis wire consists of a strip with slots molded from a thermoplastic material comprising butadiene and modified by a vegetable substance to make it more photodegradable. The vegetable substances absorb moisture on exposure to air and cause the fastener to break down after a period of time and virtually disappear in the soil. The fastener for attaching a grape vine to a support such as a trellis wire consists of a strip with slots molded from a thermoplastic material comprising butadiene and containing 1 - 10 per cent of a vegetable substance such as chips of wood, wheat, maize to make it more photodegradable. Exposed to the air, the vegetable substances absorb moisture and cause the fastener to break down after a period of time and virtually disappear in the soil.

Description

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La présente invention concerne une attache pour la culture de la vigne fabriquée en matière fragmentable. The present invention relates to a clip for the cultivation of the vine made of fragmentable material.

On connaît un certain nombre d'attache réalisant ces fonctions. Entre autre, le document FR 2.647. 633, révèle, par exemple, une attache de palissage constituée d'une plaque rectangulaire comportant deux fentes dont la largeur est insuffisante pour accueillir, chacune un fil de palissage, les dites fentes étant fermés en leur extrémités indépendante et débouchant en leur intersection sur une ouverture permettant d'assurer l'insertion des fils de palissage, que cette attache comporte une ou plusieurs zones d'affaiblissement pour favoriser la rupture. Néanmoins, si rupture il y a, elle va se fragmenter en deux ou trois morceaux assez important et vont rester à même le sol pendant de nombreuses années. A number of fasteners are known which perform these functions. Among others, the document FR 2.647. 633, reveals, for example, a trellis attachment consisting of a rectangular plate comprising two slots whose width is insufficient to each accommodate a trellising wire, said slots being closed at their independent ends and opening out at their intersection on a opening ensuring the insertion of the trellising wires, that this fastener comprises one or more weakening zones to promote breakage. However, if there is a break, it will break into two or three fairly large pieces and will remain on the ground for many years.

La présente invention vise en particulier à remédier à ces inconvénients en proposant une matière qui va servir à fabriquer les attaches pour la culture de la vigne. The present invention aims in particular to remedy these drawbacks by proposing a material which will be used to manufacture the fasteners for growing the vine.

Cette matière aura à subir : la lumière solaire (UV) = Photodégradable la température = Thermo-oxydation l'humidité = Hydrolyse pluie = Lavage variation des températures = Dilatation Tous ces facteurs agissent en synergie et ne donnent pas toujours le résultat escompté sur les thermoplastiques connus à ce jour. This material will have to undergo: sunlight (UV) = Photodegradable temperature = Thermo-oxidation humidity = Hydrolysis rain = Washing temperature variation = Dilation All these factors act in synergy and do not always give the expected result on thermoplastics known to date.

Pour arriver à faire casser une attache, en un certain temps, posée dans la vigne et qui ensuite devra se disloquer très rapidement une fois à terre, on va de préférence, utiliser un thermoplastique chargé en caoutchouc butadiène. Cette matière en l'état ne supporte To manage to break a tie, in a certain time, placed in the vine and which will then have to dislocate very quickly once on the ground, we will preferably use a thermoplastic loaded with butadiene rubber. This material in the state does not support

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pas les ultraviolets, ce qui va rendre nos attaches très fragile au bout d'un certain temps d'exposition une fois mise en oeuvre et suivant aussi de l'épaisseur de la matière utilisée. Ce phénomène s'appelle photodégrabilité.  not ultraviolet, which will make our attachments very fragile after a certain exposure time once implemented and also depending on the thickness of the material used. This phenomenon is called photodegradability.

Le butadiène est chargé naturellement en humidité ambiante. Butadiene is naturally loaded with ambient humidity.

Avant la fabrication, on doit étuver cette matière, mais on peut aussi l'utiliser en l'état ce qui va réduire la résistance mécanique de l'attache et aussi perturber la chaîne moléculaire de la matière utilisée. Ce procédé donnera plus d'ampleur à la variation des températures (thermo-oxydation et dilatation). Before manufacture, this material must be steamed, but it can also be used as it is, which will reduce the mechanical strength of the fastener and also disturb the molecular chain of the material used. This process will give more amplitude to the variation of temperatures (thermo-oxidation and expansion).

L'attache vieillie va tomber au sol en plusieurs morceaux. The aged fastener will fall to the ground in several pieces.

Le thermoplastique chargé en caoutchouc butadiène est à ce moment là encore résistant, et visible sur le sol pendant de long mois. Pour améliorer la fragmentation du thermoplastique tombé au sol on va ajouter dans sa fabrication des substances végétales qui peuvent être suivant le phénomène recherché, des copeaux de bois, de blé, maïs, des semoules de blé dur, etc... Le pourcentage de substance végétale entre 1 et 10 % est contrôlé pour que le seuil au-delà duquel elles cassent soit calculé en fonction des données climatiques, de l'épaisseur et de la surface de l'attache fabriquée par moulage. The thermoplastic loaded with butadiene rubber is still strong at this time, and visible on the ground for many months. To improve the fragmentation of the thermoplastic fallen on the ground, we will add in its manufacture vegetable substances which can be according to the phenomenon sought, wood shavings, wheat, corn, durum wheat semolina, etc ... The percentage of substance vegetable content between 1 and 10% is controlled so that the threshold beyond which they break is calculated based on climatic data, the thickness and the surface of the fastener produced by molding.

Au fil du temps et suivant le climat, les substances végétales vont se charger en humidité et se dilater à 1'intérieur du thermoplastique chargé en butadiène et contribuer à faire des amorces de rupture ou tout simplement faire éclater les morceaux d'attache sous l'effet du gel. Over time and depending on the climate, the vegetable substances will become charged with moisture and expand inside the thermoplastic loaded with butadiene and contribute to making incipient fractures or quite simply bursting the pieces of fastener under the frost effect.

Le thermoplastique chargé en butadiène et en substance végétale vont prendre la couleur des substances naturelles employées et grâce à la fragmentation vont pratiquement disparaître du regard avant que la nature reprenne ses droits.The thermoplastic loaded with butadiene and vegetable substance will take on the color of the natural substances used and, thanks to the fragmentation, will practically disappear from view before nature regains its rights.

Claims (2)

REVENDICATIONS 1-Procedé de fabrication d'une attache employée pour la culture de la vigne (palissage ou attachage du sarment) caractérisé en ce que les attaches de palissage ou d'attachage sont fabriquées par moulage en thermoplastique chargé en caoutchouc butadiène pour arriver à sa destruction par photodégrabilité modifiée par adjonction de substances végétales pour favoriser sa fragmentation une fois tombées sur le sol.  CLAIMS 1-Process for manufacturing a fastener used for growing the vine (trellising or attaching the vine) characterized in that the trellising or fastening fasteners are made by molding in thermoplastic loaded with butadiene rubber to achieve its destruction by modified photodegrability by adding plant substances to promote its fragmentation once fallen on the ground. 2-Procédé selon la revendication 1, caractérisée en ce que le pourcentage de substances végétales, entre 1 et 10%, est contrôlé pour que le seuil au-delà duquel elles cassent soit calculé en fonction des données climatiques, de l'épaisseur et la surface de l'attache fabriquée par moulage.2-A method according to claim 1, characterized in that the percentage of vegetable substances, between 1 and 10%, is controlled so that the threshold beyond which they break is calculated based on climatic data, thickness and surface of the fastener produced by molding.
FR0109061A 2001-07-09 2001-07-09 PROCESS FOR PRODUCING PALLET FASTENERS OR FASTENERS USED IN VINE CULTIVATION Expired - Fee Related FR2826832B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0109061A FR2826832B1 (en) 2001-07-09 2001-07-09 PROCESS FOR PRODUCING PALLET FASTENERS OR FASTENERS USED IN VINE CULTIVATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0109061A FR2826832B1 (en) 2001-07-09 2001-07-09 PROCESS FOR PRODUCING PALLET FASTENERS OR FASTENERS USED IN VINE CULTIVATION

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FR2826832A1 true FR2826832A1 (en) 2003-01-10
FR2826832B1 FR2826832B1 (en) 2005-04-01

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2849989A1 (en) * 2003-01-16 2004-07-23 Linda Thomas Snap hook fastener for use in shrub or vine cultivation, has body with flexible part to allow threads to enter and guided by external outgrowth, and flexible protuberances preventing rambling of threads and vine shoots
FR2858918A1 (en) * 2003-08-21 2005-02-25 Linda Thomas Clip for attaching greenhouse plants to vertical supporting wires has two hinged and curved branches that grip wire and surround plant when pressed together
FR2864747A1 (en) * 2004-01-05 2005-07-08 Linda Thomas Material for making plant supporting ties incorporates degrading agent of at least two components - a vegetable-based absorbent substance and a liquid or soluble solid
FR2887398A1 (en) * 2005-06-28 2006-12-29 Mercery Linda Thomas Vine shoot fixing device for e.g. trellis cultivation, has meanders creating tightening zones to lock device on retaining wire, where device is fabricated by injecting biodegradable, biofragmentable or degradable plastic material in mold
EP2905301A1 (en) * 2014-02-06 2015-08-12 Stephane Bidault Composite material, method for obtaining said composite material and agricultural implement made using said composite material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647633A1 (en) * 1989-05-31 1990-12-07 Gautherot Philippe Deterioratable attachment in particular for training vines
FR2686770A1 (en) * 1992-01-31 1993-08-06 Martin Simone Self-breaking fencing attachment and its method of manufacture
CN1223280A (en) * 1998-01-16 1999-07-21 田应官 Farm land mulch filma nd preparation process thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647633A1 (en) * 1989-05-31 1990-12-07 Gautherot Philippe Deterioratable attachment in particular for training vines
FR2686770A1 (en) * 1992-01-31 1993-08-06 Martin Simone Self-breaking fencing attachment and its method of manufacture
CN1223280A (en) * 1998-01-16 1999-07-21 田应官 Farm land mulch filma nd preparation process thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 199947, Derwent World Patents Index; Class A11, AN 1999-551807, XP002275609 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2849989A1 (en) * 2003-01-16 2004-07-23 Linda Thomas Snap hook fastener for use in shrub or vine cultivation, has body with flexible part to allow threads to enter and guided by external outgrowth, and flexible protuberances preventing rambling of threads and vine shoots
FR2858918A1 (en) * 2003-08-21 2005-02-25 Linda Thomas Clip for attaching greenhouse plants to vertical supporting wires has two hinged and curved branches that grip wire and surround plant when pressed together
FR2864747A1 (en) * 2004-01-05 2005-07-08 Linda Thomas Material for making plant supporting ties incorporates degrading agent of at least two components - a vegetable-based absorbent substance and a liquid or soluble solid
FR2887398A1 (en) * 2005-06-28 2006-12-29 Mercery Linda Thomas Vine shoot fixing device for e.g. trellis cultivation, has meanders creating tightening zones to lock device on retaining wire, where device is fabricated by injecting biodegradable, biofragmentable or degradable plastic material in mold
EP2905301A1 (en) * 2014-02-06 2015-08-12 Stephane Bidault Composite material, method for obtaining said composite material and agricultural implement made using said composite material

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