FR2867798A1 - Monolith beam for e.g. woodworks in building, has two parallel chord units connected by diagonal bars that are composed of continuous fibers that are saturated with thermosetting resin - Google Patents

Monolith beam for e.g. woodworks in building, has two parallel chord units connected by diagonal bars that are composed of continuous fibers that are saturated with thermosetting resin Download PDF

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Publication number
FR2867798A1
FR2867798A1 FR0402951A FR0402951A FR2867798A1 FR 2867798 A1 FR2867798 A1 FR 2867798A1 FR 0402951 A FR0402951 A FR 0402951A FR 0402951 A FR0402951 A FR 0402951A FR 2867798 A1 FR2867798 A1 FR 2867798A1
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France
Prior art keywords
thermosetting resin
saturated
building
continuous fibers
woodworks
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FR0402951A
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French (fr)
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FR2867798B1 (en
Inventor
Jean Alphonse David
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Individual
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Individual
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/28—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of materials not covered by groups E04C3/04 - E04C3/20

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

The beam has two parallel chord units which are connected by diagonal bars. The bars are composed of continuous fibers that are saturated with thermosetting resin. The chord units are formed by filament winding at 0 degrees and the diagonal bars are formed by filament winding.

Description

2867798 12867798 1

La présente invention concerne une poutre monolithe a treillis simple en matériaux composite fibre et résine thermodurcissable totalement réalisé par enroulement filamentaire.  The present invention relates to a monolithic trellis beam made of fiber composite material and thermosetting resin totally made by filament winding.

Depuis des dizaines d'années il existe des poutres à treillis en bois ou en acier, avec des inconvénients: oxydation et le poids pour le métal, les thermites pour le bois.  For decades there have been wooden or steel truss beams, with disadvantages: oxidation and weight for metal, thermites for wood.

C'est pour palier à tous ces ennuis que cette invention va produire tous ces effets: légèreté, trois à cinq fois plus léger que le bois ou l'acier. Ce nouveau produit ne s'oxyde pas, et ne craint pas les thermites.  It is to overcome all these troubles that this invention will produce all these effects: lightness, three to five times lighter than wood or steel. This new product does not oxidize, and does not fear thermites.

La poutre a treillis simple est composée de deux membrures parallèles reliées par des Diagonales,(Fig 1) dénommées barres. Celles-ci sont composées de fibres continues imbibées de résine thermodurcissable, dont les sections et formes varient suivant les résistances souhaitées en torsion, flexion et compression.  The simple lattice beam is composed of two parallel members connected by diagonals (Fig. 1) called bars. These are composed of continuous fibers impregnated with thermosetting resin, whose sections and shapes vary according to the desired resistances in torsion, flexion and compression.

A l'aide de machines d'enroulement filamentaire, l'une pour réaliser des diagonales l'autre pour les membrures (Fig 2 et 3) l'ensemble de la poutre est réalisé , passé à l'étuvage afin de la rendre rigide.  Using filament winding machines, one to make diagonals the other for the frames (Fig 2 and 3) the whole beam is made, passed to steaming to make it rigid.

La poutre de treillis simple monolithe en composite objet de l'invention est utilisable pour de nombreuses applications: les charpentes dans le bâtiment en maisons individuelles, bâtiments industriels ou agricoles, offshore, poteaux, structure aéronautique, nautisme et spatiale.  The simple monolithic composite truss beam object of the invention is usable for many applications: the frames in the building in individual houses, industrial or agricultural buildings, offshore, poles, aeronautical structure, boating and space.

La description qui va suivre faite à titre d'exemple n'est pas limitative.  The following description given by way of example is not limiting.

La figure 1 représente une poutre finie La figure 2 montre la phase d enroulement partiel des diagonales réalisées par enroulement circulaire.  FIG. 1 shows a finished beam. FIG. 2 shows the partial winding phase of the diagonals produced by circular winding.

La figure 3 représente la réunion des éléments partiels des diagonales.  Figure 3 shows the meeting of the partial elements of the diagonals.

La figure 4 représente l'enroulement filamentaire à 0 des membrures.  Figure 4 shows the filament winding at 0 of the frames.

Les deux membrures étant pressées de chaque côté des moules recevant les diagonales.  The two chords being pressed on each side of the molds receiving the diagonals.

L'ensemble est alors dirigé vers l'étuvage.  The whole is then directed to the parboiling.

Tous les travaux qui suivent après l'étuvage ne différent pas des finitions classiques pour produits thermodurcissables 30  All subsequent work after baking does not differ from conventional finishes for thermosetting products.

Claims (2)

REVENDICATIONS 1) Poutre rigide à treillis simple constituée par la réunion d'éléments membrures et diagonales:caractérisée en ce que les dits éléments sont en matériaux composite, fibre et résine thermodurcissable, et représente une poutre monolithe.  1) rigid beam simple trellis constituted by the union of elements and ribs diagonal: characterized in that said elements are made of composite material, fiber and thermosetting resin, and represents a monolithic beam. 2) Dispositif selon la revendication 1 caractérisé en ce que les membrures et les diagonales formant la poutre à treillis simple sont réalisées par enroulement filamentaire à O pour les membrures et par enroulement circulaire pour les diagonales.  2) Device according to claim 1 characterized in that the frames and the diagonals forming the simple lattice girder are made by filament winding at O for the chords and by circular winding for the diagonals.
FR0402951A 2004-03-19 2004-03-19 MONOLITHE BEAM WITH FIBER COMPOSITE SINGLE THREAD AND THERMOSETTING RESIN AND MANUFACTURING TECHNIQUE Expired - Fee Related FR2867798B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0402951A FR2867798B1 (en) 2004-03-19 2004-03-19 MONOLITHE BEAM WITH FIBER COMPOSITE SINGLE THREAD AND THERMOSETTING RESIN AND MANUFACTURING TECHNIQUE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0402951A FR2867798B1 (en) 2004-03-19 2004-03-19 MONOLITHE BEAM WITH FIBER COMPOSITE SINGLE THREAD AND THERMOSETTING RESIN AND MANUFACTURING TECHNIQUE

Publications (2)

Publication Number Publication Date
FR2867798A1 true FR2867798A1 (en) 2005-09-23
FR2867798B1 FR2867798B1 (en) 2006-10-06

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FR0402951A Expired - Fee Related FR2867798B1 (en) 2004-03-19 2004-03-19 MONOLITHE BEAM WITH FIBER COMPOSITE SINGLE THREAD AND THERMOSETTING RESIN AND MANUFACTURING TECHNIQUE

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FR (1) FR2867798B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551237A (en) * 1967-04-18 1970-12-29 Aerojet General Co Method of preparing filament-wound open beam structures
GB1455572A (en) * 1973-02-20 1976-11-17 British Aircraft Corp Ltd Beams of fibre reinforced plastics
GB2004835A (en) * 1977-09-22 1979-04-11 Math F C Lattice structures
US4378263A (en) * 1981-01-26 1983-03-29 Logan Robert M Method and apparatus for making a composite material truss

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551237A (en) * 1967-04-18 1970-12-29 Aerojet General Co Method of preparing filament-wound open beam structures
GB1455572A (en) * 1973-02-20 1976-11-17 British Aircraft Corp Ltd Beams of fibre reinforced plastics
GB2004835A (en) * 1977-09-22 1979-04-11 Math F C Lattice structures
US4378263A (en) * 1981-01-26 1983-03-29 Logan Robert M Method and apparatus for making a composite material truss

Also Published As

Publication number Publication date
FR2867798B1 (en) 2006-10-06

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Effective date: 20131129