FR2890826A1 - Arched support for plastic-covered horticultural tunnel, dome or cloche is made from cable threaded through trapezoid wood blocks with fastening strip - Google Patents

Arched support for plastic-covered horticultural tunnel, dome or cloche is made from cable threaded through trapezoid wood blocks with fastening strip Download PDF

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Publication number
FR2890826A1
FR2890826A1 FR0509564A FR0509564A FR2890826A1 FR 2890826 A1 FR2890826 A1 FR 2890826A1 FR 0509564 A FR0509564 A FR 0509564A FR 0509564 A FR0509564 A FR 0509564A FR 2890826 A1 FR2890826 A1 FR 2890826A1
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FR
France
Prior art keywords
trapezoid
covered
cloche
dome
plastic
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.)
Granted
Application number
FR0509564A
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French (fr)
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FR2890826B1 (en
Inventor
Philippe Roger Paul Gravelin
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Individual
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Individual
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Publication date
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Priority to FR0509564A priority Critical patent/FR2890826B1/en
Publication of FR2890826A1 publication Critical patent/FR2890826A1/en
Application granted granted Critical
Publication of FR2890826B1 publication Critical patent/FR2890826B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/34—Supporting means, e.g. frames
    • E04H15/36—Supporting means, e.g. frames arch-shaped type
    • 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
    • A01G13/00—Protecting plants
    • A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/04—Cloches, i.e. protective full coverings for individual plants
    • 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
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Greenhouses (AREA)

Abstract

The support is made from steel cable (1) threaded through holes in trapezoid wood blocks (2) that are joined together by a strip of a textile material or metal foil glued or screwed to the blocks' outer surfaces. The blocks are made from low-grade sawn timber that is dried, cut and drilled, with their trapezoid shape creating a curve when the cable is tensioned, and with the outer strip preventing distortion. The arched supports are fixed to the ground by spikes or spiral anchors inserted through end components.

Description

2890826 12890826 1

Construction de serres horticoles On distingue: les serres type verrière avec fondations et charpente rigide et les serres type tonneau avec charpente métallique démontable et recouverte d'un film plastique.  Construction of horticultural greenhouses There are: glass type greenhouses with foundations and rigid framework and barrel type greenhouses with demountable metal frame and covered with a plastic film.

Un câble tendu entre deux points surélevés décrit une ligne droite. Toute charge ou le pro- -pre poids du câble entraîne une déformation concave.  A cable stretched between two raised points describes a straight line. Any load or the weight of the cable causes concave deformation.

L'objet de ce brevet est d'obtenir une forme convexe. En enfilant un câble dans des éléments préformés et juxtaposés, on obtient après tension et mise en place une forme convexe. Une bande de maintien est fixée sur la partie supérieure. L'arrimage au sol utilise les techniques des haubans. Les caractéristiques physiques du câble ne sont pas modifiées.  The purpose of this patent is to obtain a convex form. By threading a cable into preformed and juxtaposed elements, a convex shape is obtained after tensioning and placing in place. A holding band is fixed on the upper part. Ground stowage uses guying techniques. The physical characteristics of the cable are not modified.

Toutefois, s'agissant d'une utilisation inhabituelle, des calculs de résistance seront effectués pour chaque modèle de structure.  However, for unusual use, strength calculations will be made for each structural model.

L'arc simple ou travée unique a été réalisé avec: 1 un câble type acier 2 des éléments en bois issus de sciages de basse qualité. Le bois est transformé selon les 15 techniques de menuiserie: séchage, sciage, rabotage, perçage.  The single or single span arch has been realized with: 1 a steel type cable 2 wooden elements from low quality sawn timber. The wood is processed according to the 15 carpentry techniques: drying, sawing, planing, drilling.

Les éléments sont des parallélépipèdes de petites dimensions (ordre des centimètres) d'épaisseur constante.  The elements are parallelepipeds of small dimensions (order of centimeters) of constant thickness.

Selon les types de structure, les faces de contact entre-elles sont rabotées selon un angle calculé d'avance, la section devient alors trapézoïdale. Chaque élément est percé par le côté tangentiel du bois, face la plus résistante aux forces et aux contraintes.  Depending on the type of structure, the contact faces between them are planed at an angle calculated in advance, the section then becomes trapezoidal. Each element is pierced by the tangential side of the wood, the most resistant face to forces and constraints.

3 une bande de maintien: une sangle textile ou un feuillard métallique est appliqué sur la partie supérieure, chaque élément est fixé par collage ou vissage. Le rôle de la ban--de maintien est: - a: éviter les déformations dues à la mise en tension (ondulations) - b: faciliter le montage, démontage, transport, encombrement 4 le matériel de mise en place: tendeurs, serre-câbles, manilles, piquets (hélices) pour l'arrimage au sol.  3 a holding strip: a textile strap or a metal strip is applied on the upper part, each element is fixed by gluing or screwing. The role of the holding ban is: - a: to avoid deformations due to tensioning (ripples) - b: to facilitate the assembly, disassembly, transport, bulk 4 the installation material: tensioners, clamps cables, shackles, stakes (propellers) for lashing the ground.

La mise en place s'effectue sur le lieu d'installation finale. En multipliant le nombre des travées, on renforce l'ensemble et on augmente les surfaces couvertes. On obtient des formes tunnel, coupole, cloche. Les points d'attache des travées entre elles sont déter--minées à l'avance afin de prévoir des éléments adéquats.  The installation takes place at the final installation site. By multiplying the number of spans, we strengthen the whole and increase the areas covered. We obtain tunnel, cupola and bell forms. The points of attachment of the bays to each other are determined in advance in order to provide adequate elements.

Les structures sont recouvertes d'un filet tendu et arrimé au sol, puis d'un film PVC ou d'un film tissé. La couverture filet film peut être positionnée au sol avant la mise en place finale. (facilité de montage) Deux structures superposées favorisent l'isolation thermique.  The structures are covered with a tight net and secured to the ground, then a PVC film or a woven film. The film net cover can be positioned on the ground before final placement. (ease of assembly) Two superimposed structures favor thermal insulation.

2890826 32890826 3

Claims (1)

RevendicationClaim 1) structure pour serres horticoles caractérisée par la construction d'un arc convexe réalisé par la tension d'un câble traversant des éléments de petites dimensions préformés, une bande de maintien assurant l'ensemble.  1) structure for horticultural greenhouses characterized by the construction of a convex arc made by the tension of a cable passing through elements of small preformed dimensions, a holding strip ensuring the assembly.
FR0509564A 2005-09-20 2005-09-20 ARC-SHAPED STRUCTURE FOR THE CONSTRUCTION OF HORTICULTURAL GREENHOUSES Expired - Fee Related FR2890826B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0509564A FR2890826B1 (en) 2005-09-20 2005-09-20 ARC-SHAPED STRUCTURE FOR THE CONSTRUCTION OF HORTICULTURAL GREENHOUSES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0509564A FR2890826B1 (en) 2005-09-20 2005-09-20 ARC-SHAPED STRUCTURE FOR THE CONSTRUCTION OF HORTICULTURAL GREENHOUSES

Publications (2)

Publication Number Publication Date
FR2890826A1 true FR2890826A1 (en) 2007-03-23
FR2890826B1 FR2890826B1 (en) 2008-02-29

Family

ID=36782445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0509564A Expired - Fee Related FR2890826B1 (en) 2005-09-20 2005-09-20 ARC-SHAPED STRUCTURE FOR THE CONSTRUCTION OF HORTICULTURAL GREENHOUSES

Country Status (1)

Country Link
FR (1) FR2890826B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401492A (en) * 1967-01-04 1968-09-17 Stephen L. Macdonald Building structure
US3708944A (en) * 1969-10-31 1973-01-09 M Miyake Method of making an arch
US4284094A (en) * 1977-10-26 1981-08-18 Rudiger Behrend Tent structure with support arches
US4887397A (en) * 1984-06-29 1989-12-19 Teledyne Industries, Inc. Fast, erectable, easily transportable structures

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401492A (en) * 1967-01-04 1968-09-17 Stephen L. Macdonald Building structure
US3708944A (en) * 1969-10-31 1973-01-09 M Miyake Method of making an arch
US4284094A (en) * 1977-10-26 1981-08-18 Rudiger Behrend Tent structure with support arches
US4887397A (en) * 1984-06-29 1989-12-19 Teledyne Industries, Inc. Fast, erectable, easily transportable structures

Also Published As

Publication number Publication date
FR2890826B1 (en) 2008-02-29

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Effective date: 20200910