EP0069040B1 - Lamellated and glued wooden member presenting, cross-sectionally, cavities or the like - Google Patents

Lamellated and glued wooden member presenting, cross-sectionally, cavities or the like Download PDF

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Publication number
EP0069040B1
EP0069040B1 EP82440017A EP82440017A EP0069040B1 EP 0069040 B1 EP0069040 B1 EP 0069040B1 EP 82440017 A EP82440017 A EP 82440017A EP 82440017 A EP82440017 A EP 82440017A EP 0069040 B1 EP0069040 B1 EP 0069040B1
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EP
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Prior art keywords
type
laminations
squared
edge
edges
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EP82440017A
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German (de)
French (fr)
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EP0069040A3 (en
EP0069040A2 (en
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Paul-Henri Mathis
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Paul Mathis Sa Ets
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Paul Mathis Sa Ets
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Priority to AT82440017T priority Critical patent/ATE26732T1/en
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Publication of EP0069040A3 publication Critical patent/EP0069040A3/en
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    • 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
    • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
    • E04C3/14—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with substantially solid, i.e. unapertured, web

Definitions

  • the present invention relates to the field of wood processing, in particular for its use as a frame, and relates to a beam of glued laminated wood having, in cross section, cells, or the like.
  • the quality of the surface condition of glued laminated wood beams is also linked to the presence of defects appearing during rendering, such as, for example, knots, which can have a harmful influence on the mechanical strength of the beams thus obtained, in particular when these defects are located in the external zones.
  • CH-A-175 272 Also known from CH-A-175 272 is a wooden construction element constituted by squared strips assembled together by means of tongues fixed in offset grooves provided in the strips, the external space delimited by these strips and the strips. being filled by means of wooden inserts, so that an internal cell is formed between the tongues.
  • DE-A-396 738 describes the manufacture of walls with vertical boards assembled together by covering their edges.
  • the use of such boards for the manufacture of walls is carried out for a decorative purpose, and DE-A-396 738 does not allow the obtaining of elements of square or rectangular section with flat external surfaces and entirely closed by means of said boards.
  • the present invention aims to overcome these drawbacks.
  • a glued laminated wooden beam of the type described in DE-A-396 738 that is to say which is constituted by a superposition of wooden strips, of two different types delimiting between they alveoli, or the like, which have a random section, the two edges of the first type of lamella being squared while only one edge of the second type of lamella is squared, the other edge being provided with a line.
  • the beam of the above type is characterized in that the cells result from the arrangement of two strips of the first type, with squared edges, the width of which is equal to the width of the beam, placed on one side and other of two lamellae. of the second type, with a single squared edge so that the squared edges of the two types of lamellae are aligned to form the lateral faces of the beam, and that the outlines of the lamellae of the second type are arranged in look at each other inside the beam, the use for producing strips of tapered logs or logs so that the general direction of the cells is not parallel to said lateral faces of the beam.
  • the glued laminated wood beam is characterized in that the cells 1 result from the arrangement of two strips 2 of the first type, with squared edges whose width is equal to the width of the beam, placed on either side of two lamellae 2 'of the second type, with a single squared edge so that squared edges of the two types of lamellae are aligned to form the lateral faces of the beam, and that the outlines of the lamellae 2 ′ of the second type are arranged opposite one another inside the beam, the use for the production of strips of truncated logs or logs making that the general direction of the cells 1 is not parallel to said lateral faces of the beam.
  • Figures 2 and 3 show the embodiment of the beam starting from a plate 3 ( Figure 3), which is outlined in two genera parallel trices 4 to form a square lamella A and two lamellae with edges not delineated B and C.
  • the formation of a beam according to the invention is carried out by turning along the generator 4 of the strip B and by turning 180 ° then around the other generator 4 of the lamella C, this embodiment being repeated until the desired dimensions of the beam are obtained.
  • FIG. 4 represents an alternative embodiment of the invention, in which the beam is constituted by a superposition of wooden strips 2, 2 ′ of two different types delimiting between them cells 1, or the like, having a random section, the two edges of the first type of lamella 2 being squared while only one edge of the second type of lamella 2 'is squared, the other edge being provided with a line, and is characterized in that the cells 1 result from an arrangement staggered lamellas 2 of the first type, with two squared edges, and lamellas 2 'of the second type, with a single squared edge, so that squared edges of the two types of lamellas 2, 2' are aligned to form faces lateral of the beam, and that the outlines of the lamellae 2 ′ of the second type are arranged towards the inside of the beam opposite a squared edge of the lamellae 2 of the first type so that the width of the cells 1 is variable in function of ut ilisations provided for the beam, by increasing or decreasing the overlap of two
  • the strips 2, 2 'used are advantageously obtained by selective trimming "without defect", that is to say that they have in their outer zones a continuity of the fibers, the nodes being maintained in the middle area.
  • the aesthetic and mechanical qualities of the beam are reinforced in the highly stressed areas, the usual defects of the wood being included in the mass of the elements or beams thus produced. Therefore, it is no longer necessary to remove, by purging the defects, a large part of the strips obtained by trimming.
  • the cells 2 are used for carrying out a fungicidal, insecticidal or flame-retardant treatment, or for the passage of cables, sheaths, or cables to other steel elements allowing the prestressing of the beam obtained, so that the qualities of the latter can be profoundly modified.
  • the cells 2 can also form ventilation channels by means of a moving or stationary air knife, or fluid distribution channels.
  • the cells 2 can be filled with insulating and / or flame-retardant material, or even metallic elements for structural reinforcement.
  • the invention it is possible to economically reconstruct beams of any cross section and length by using almost the entire volume of material of the original logs or logs, whatever their initial length and conicity. It is thus possible to use and develop the usual by-products of sawing, such as edging, in the organized form of the original material, for the benefit of resistance.
  • the appearance of facing can be achieved even with poor quality wood, and the good mechanical characteristics of so-called "edge" wood are fully exploited thanks to the integration of these woods.
  • the vertical inertia and the horizontal inertia are greater than that of solid beams with equal mass of material.
  • the internal tensions are higher. awarded.
  • all of the woody material can be used.

Abstract

1. A lamellated and glued wooden beam consisting of a superposition of wooden laminations (2, 2') of two different types defining between them cavities (1) or the like which have a random cross-section, the two edges of the first type of lamination (2) being squared whereas only one edge of the second type of lamination (2') is squared, the other edge being provided with an edge-sawing, characterised in that the cavities (1) result from the arrangement of two laminations (2) of the first type, with squared edges, the width of which is equal to the width of the beam, placed at each side of two laminations (2') of the second type with only one squared edge in such a manner that squared edges of the two types of lamination are aligned to form the lateral faces of the beam, and that the sawn edges of the laminations (2') of the second type are arranged facing one another inside the beam, the use of frusto-conical balks or rough timber for the construction of the laminations having the effect that the general direction of the cavities (1) is not parallel to said lateral faces of the beam.

Description

La présente invention concerne le domaine de la transformation du bois, en particulier pour son utilisation en charpente, et a pour objet une poutre en bois lamellé collé présentant, en section droite, des alvéoles, ou analogues.The present invention relates to the field of wood processing, in particular for its use as a frame, and relates to a beam of glued laminated wood having, in cross section, cells, or the like.

Actuellement, la production de poutres de charpentes, ou autres, s'effectue généralement par équarrissage de billons ou de grumes avec une production relativement importante de délignures, qui sont des sous-produits habituels de sciage. Ces poutres peuvent également être réalisées, de manière connue, en bois lamellé collé, c'est-à-dire en lamelles équarries assemblées par collage pour former une poutre de section carrée ou rectangulaire et de longueur et de forme quelconques. Cependant, dans ce mode de réalisation, les lamelles sont également obtenues par équarrissage de grumes ou de billons ronds, de sorte que les chutes d'équarrissage sont nécessairement importantes,, et ce d'autant plus que lesdits billons et grumes sont de petit diamètre et/ ou de forte conicité, ou encore diformes.Currently, the production of structural beams, or other, is generally carried out by rendering of logs or logs with a relatively large production of edging, which are usual sawing by-products. These beams can also be made, in known manner, of glued laminated wood, that is to say in squared strips assembled by gluing to form a beam of square or rectangular section and of any length and shape. However, in this embodiment, the strips are also obtained by rendering logs or round logs, so that the scrap falls are necessarily large, and all the more so when said logs and logs are of small diameter. and / or strong taper, or even uniform.

En outre, la qualité de l'état de surface des poutres en bois lamellé collé est également liée à _ la présence de défauts apparaissant lors de l'équarrissage, tels que, par exemple, des noeuds, qui peuvent avoir une influence néfaste sur la tenue mécanique des poutres ainsi obtenues, en particulier lorsque ces défauts se situent dans les zones extérieures.In addition, the quality of the surface condition of glued laminated wood beams is also linked to the presence of defects appearing during rendering, such as, for example, knots, which can have a harmful influence on the mechanical strength of the beams thus obtained, in particular when these defects are located in the external zones.

On connaît également par CH-A-175 272 un élément de construction en bois constitué par des lamelles équarries assemblées entre elles au moyen de languettes fixées dans des rainures décalées prévues dans les lamelles, l'espace extérieur délimité par ces languettes et les lamelles . étant rempli au moyen d'inserts en bois, de telle sorte qu'un alvéole interne soit formé entre les languettes.Also known from CH-A-175 272 is a wooden construction element constituted by squared strips assembled together by means of tongues fixed in offset grooves provided in the strips, the external space delimited by these strips and the strips. being filled by means of wooden inserts, so that an internal cell is formed between the tongues.

Il va de soi que la constitution d'un tel élément, par l'utilisation de lamelles complètement équarries, par l'assemblage "languettes-rainures" et par le remplissage des espaces extérieures, est d'un prix de revient élevé et ne permet pas la mise en oeuvre des bois dits "de rive" sans aucun usinage spécial en vue de l'assemblage des parties constitutives.It goes without saying that the constitution of such an element, by the use of completely squared plates, by the assembly "tongues-grooves" and by the filling of the external spaces, is of a high cost price and does not allow not the implementation of so-called "edge" woods without any special machining for the assembly of the constituent parts.

Par ailleures, le DE-A-396 738 décrit la fabrication de parois avec des planches verticales assemblés entre elles par recouvrement de leurs bords. Dans cette publication, il est prévu une utilisation, d'un part, de planches dont un bord seulement est équarri pour la formation d'une face d'appui plane de la paroi, l'autre bord présentant une délignure, et, d'autre part, de planches non délignées notamment pour la liaison des planches intermédiaires. L'utilisation de telles planches pour la fabrication de paroi s'effectue dans un but décoratif, et le DE-A-396 738 ne permet pas l'obtention d'éléments de section carrée ou rectangulaire à surfaces extérieures planes et entièrement fermées au moyen desdites planches.Furthermore, DE-A-396 738 describes the manufacture of walls with vertical boards assembled together by covering their edges. In this publication, provision is made for the use, on the one hand, of boards of which only one edge is squared for the formation of a planar bearing face of the wall, the other edge having an outline, and, on the other hand, planks not edged in particular for the connection of intermediate planks. The use of such boards for the manufacture of walls is carried out for a decorative purpose, and DE-A-396 738 does not allow the obtaining of elements of square or rectangular section with flat external surfaces and entirely closed by means of said boards.

La présente invention a pour but de pallier ces inconvénients.The present invention aims to overcome these drawbacks.

Elle a en effet, pour objet, une poutre en bois lamellé collée du type décrit dans le DE-A-396 738, c'est-à-dire qui est constituée par une superposition de lamelles de bois, de deux types différents délimitant entre elles des alvéoles, ou analogues, qui présentent une section aléatoire, les deux bords du premier type de lamelle étant équarris alors que seul un bord du second type de lamelle est équarri, l'autre bord étant muni d'une délignure.It has in fact, for object, a glued laminated wooden beam of the type described in DE-A-396 738, that is to say which is constituted by a superposition of wooden strips, of two different types delimiting between they alveoli, or the like, which have a random section, the two edges of the first type of lamella being squared while only one edge of the second type of lamella is squared, the other edge being provided with a line.

Conformément à l'invention, la poutre du type ci-dessus est caractérisée en ce que les alvéoles résultent de la disposition de deux lamelles du premier type, à bords équarris dont la largeur est égale à la largeur de la poutre, placés de part et d'autre de deux lamelles.du deuxième type, avec un seul bord équarri de manière que des bords équarris des deux types de lamelles sont alignés pour former les faces latérales de la poutre, et que les délignures des lamelles du deuxième type sont disposées en regard les unes des autres à l'intérieur de la poutre, l'utilisation pour la réalisation des lamelles de billons ou grumes tronconiques faisant que la direction générale des alvéoles n'est pas parallèle auxdites faces latérales de la poutre.According to the invention, the beam of the above type is characterized in that the cells result from the arrangement of two strips of the first type, with squared edges, the width of which is equal to the width of the beam, placed on one side and other of two lamellae. of the second type, with a single squared edge so that the squared edges of the two types of lamellae are aligned to form the lateral faces of the beam, and that the outlines of the lamellae of the second type are arranged in look at each other inside the beam, the use for producing strips of tapered logs or logs so that the general direction of the cells is not parallel to said lateral faces of the beam.

Une autre solution conforme à l'invention correspond à la partie caractérisante de la revendication 2.Another solution according to the invention corresponds to the characterizing part of claim 2.

L'invention sera mieux comprise grâce à la description ci-après, qui se rapporte à des modes de réalisation préférés, selon les revendications 1 à 3, expliqués avec référence aux dessins schématiques annexés, dans lesquels:

  • la figure 1 est une vue en section droite d'une poutre conforme à l'invention;
  • la figure 2 est une vue en plan et en coupe de la poutre de la figure 1;
  • la figure 3 est une vue en plan d'un plateau avant délignage, et
  • la figure 4 est une vue en section droite d'une variante de réalisation de l'invention.
The invention will be better understood from the description below, which relates to preferred embodiments, according to claims 1 to 3, explained with reference to the appended schematic drawings, in which:
  • Figure 1 is a cross-sectional view of a beam according to the invention;
  • Figure 2 is a plan view in section of the beam of Figure 1;
  • FIG. 3 is a plan view of a plate before trimming, and
  • Figure 4 is a cross-sectional view of an alternative embodiment of the invention.

Conformément à l'invention, et comme le montre plus particulièrement, à titre d'exemple, la figure 1 des dessins annexés, la poutre en bois lamellé collé est caractérisée en ce que les alvéoles 1 résultent de la disposition de deux lamelles 2 du premier type, à bords équarris dont la largeur est égale à la largeur de la poutre, placés de part et d'autre de deux lamelles 2' du deuxième type, avec un seul bord équarri de manière que des bords équarris des deux types de lamelles sont alignés pour former les faces latérales de la poutre, et que les délignures des lamelles 2' du deuxième type sont disposées en regard les unes des autres à l'intérieur de la poutre, l'utilisation pour la réalisation des lamelles de billons ou grumes tronconiques faisant que la direction générale des alvéoles 1 n'est pas parallèle auxdites faces latérales de la poutre.In accordance with the invention, and as shown more particularly, by way of example, FIG. 1 of the accompanying drawings, the glued laminated wood beam is characterized in that the cells 1 result from the arrangement of two strips 2 of the first type, with squared edges whose width is equal to the width of the beam, placed on either side of two lamellae 2 'of the second type, with a single squared edge so that squared edges of the two types of lamellae are aligned to form the lateral faces of the beam, and that the outlines of the lamellae 2 ′ of the second type are arranged opposite one another inside the beam, the use for the production of strips of truncated logs or logs making that the general direction of the cells 1 is not parallel to said lateral faces of the beam.

Les figures 2 et 3 représentent le mode de réalisation de la poutre en partant d'un plateau 3 (Figure 3), qui est déligné suivant deux génératrices parallèles 4 pour constituer une lamelle équarrie A et deux lamelles avec bords non délignés B et C. La formation d'une poutre conforme à l'invention s'effectue par retournement le long de la génératrice 4 de la lamelle B et par retournement de 180° puis autour de l'autre génératrice 4 de la lamelle C, ce mode de réalisation étant répété jusqu'à obtention des dimensions désirées de la poutre.Figures 2 and 3 show the embodiment of the beam starting from a plate 3 (Figure 3), which is outlined in two genera parallel trices 4 to form a square lamella A and two lamellae with edges not delineated B and C. The formation of a beam according to the invention is carried out by turning along the generator 4 of the strip B and by turning 180 ° then around the other generator 4 of the lamella C, this embodiment being repeated until the desired dimensions of the beam are obtained.

La figure 4 représente une variante de réalisation de l'invention, dans laquelle la poutre est constituée par une superposition de lamelles de bois 2, 2' de deux types différents délimitant entre elles des alvéoles 1, ou analogues, présentant une section aléatoire, les deux bords du premier type de lamelle 2 étant équarris alors que seul un bord du second type de lamelle 2' est équarri, l'autre bord étant muni d'une délignure, et est caractérisée en ce que les alvéoles 1 résultent d'une disposition en quinconce de lamelles 2 du premier type, avec deux bords équarris, et de lamelles 2' du deuxième type, avec un seul bord équarri, de manière que des bords équarris des deux types de lamelles 2, 2' sont alignés pour former des faces latérales de la poutre, et que les délignures des lamelles 2' du deuxième type sont disposées vers l'intériéur de la poutre en regard d'un bord équarri des lamelles 2 du premier type de telle manière que la largeur des alvéoles 1 est variable en fonction des utilisations prévues pour la poutre, par augmentation ou par diminution du recouvrement de deux lamelles 2 du premier type, appliqués l'une sur l'autre dans la zone des bords équarris situés à l'intérieur de la poutre, des lamelles 2 du premier type, de largeur égale à celle de la poutre, formant les faces supérieures et inférieures de ladite poutre. Grâce à ce mode de réalisation, les lamelles 2' non délignées peuvent présenter des dimensions relativement importantes.FIG. 4 represents an alternative embodiment of the invention, in which the beam is constituted by a superposition of wooden strips 2, 2 ′ of two different types delimiting between them cells 1, or the like, having a random section, the two edges of the first type of lamella 2 being squared while only one edge of the second type of lamella 2 'is squared, the other edge being provided with a line, and is characterized in that the cells 1 result from an arrangement staggered lamellas 2 of the first type, with two squared edges, and lamellas 2 'of the second type, with a single squared edge, so that squared edges of the two types of lamellas 2, 2' are aligned to form faces lateral of the beam, and that the outlines of the lamellae 2 ′ of the second type are arranged towards the inside of the beam opposite a squared edge of the lamellae 2 of the first type so that the width of the cells 1 is variable in function of ut ilisations provided for the beam, by increasing or decreasing the overlap of two strips 2 of the first type, applied one on the other in the area of the squared edges located inside the beam, of the strips 2 of the first type , of width equal to that of the beam, forming the upper and lower faces of said beam. Thanks to this embodiment, the strips 2 'which are not delineated can have relatively large dimensions.

Conformément à une caractéristique de l'invention, les lamelles 2, 2' utilisées sont avantageusement obtenues par délignage sélectif "hors défaut", c'est-à-dire qu'elles présentent dans leurs zones extérieures une continuité des fibres, les noeuds étant maintenus dans la zone médiane. Ainsi, les qualités asthétiques et mécaniques de la poutre sont renforcées dans les zones fortement sollicitées, les défauts habituels du bois étant inclus dans la masse des éléments ou poutres ainsi réalisés. De ce fait, il n'est plus nécessaire d'éliminer, par purge des défauts, une partie importante des lamelles obtenues par délignage.According to a characteristic of the invention, the strips 2, 2 'used are advantageously obtained by selective trimming "without defect", that is to say that they have in their outer zones a continuity of the fibers, the nodes being maintained in the middle area. Thus, the aesthetic and mechanical qualities of the beam are reinforced in the highly stressed areas, the usual defects of the wood being included in the mass of the elements or beams thus produced. Therefore, it is no longer necessary to remove, by purging the defects, a large part of the strips obtained by trimming.

Les alvéoles 2 servent à la réalisation d'un traitement fongicide, insecticide, ou ignifuge, ou au passage de câbles, de gaînes, ou encore de câbles au autres éléments en acier permettant la précontrainte de la poutre obtenue, de sorte que les qualités de cette dernière peuvent être profondément modifiées. En outre, les alvéoles 2 peuvent également former des canaux de ventilation au moyen d'une lame d'air mobile ou immobile, ou des canaux de distribution de fluide. Enfin, les alvéoles 2 peuvent être remplis de matière isolante et/ou ignifuge, ou encore d'éléments métalliques de renforcement de structure.The cells 2 are used for carrying out a fungicidal, insecticidal or flame-retardant treatment, or for the passage of cables, sheaths, or cables to other steel elements allowing the prestressing of the beam obtained, so that the qualities of the latter can be profoundly modified. In addition, the cells 2 can also form ventilation channels by means of a moving or stationary air knife, or fluid distribution channels. Finally, the cells 2 can be filled with insulating and / or flame-retardant material, or even metallic elements for structural reinforcement.

Grâce à l'invention, il est possible de reconstituer économiquement des poutres de section et de longueur quelconques par utilisation de la quasi totalité du volume de matière des billons ou grumes d'origine, quelles que soient leur longueur et leur cônicité initiales. Il est ainsi possible d'utiliser et de valoriser les sous-produits habituels du sciage, tels que les délignures, sous la forme organisée de la matière originelle, au profit de la résistance. En outre, grâce au délignage sélectif et à un ordonnancement approprié des lamelles, l'apparence de parement peut être réalisée même avec des bois de médiocre qualité, et les bonnes caractéristiques mécaniques de bois dits "de rive" sont entièrement mises à profit grâce à l'intégration de ces bois.Thanks to the invention, it is possible to economically reconstruct beams of any cross section and length by using almost the entire volume of material of the original logs or logs, whatever their initial length and conicity. It is thus possible to use and develop the usual by-products of sawing, such as edging, in the organized form of the original material, for the benefit of resistance. In addition, thanks to the selective edging and an appropriate ordering of the slats, the appearance of facing can be achieved even with poor quality wood, and the good mechanical characteristics of so-called "edge" wood are fully exploited thanks to the integration of these woods.

Enfin, grâce à la constitution de la poutre conforme à l'invention, l'inertie verticale et l'inertie horizontale sont supérieures à celle des poutres pleines à masse de matériau égale. En outre, du fait de l'alternance des alvéoles et des lamelles équarries, les tensions internes sont sup- . primées. De plus, par utilisation de la technique du tranchage associé au collage de bois brut, la totalité de la matière ligneuse peut être utilisée.Finally, thanks to the constitution of the beam according to the invention, the vertical inertia and the horizontal inertia are greater than that of solid beams with equal mass of material. In addition, due to the alternation of the cells and squared lamellae, the internal tensions are higher. awarded. In addition, by using the slicing technique associated with gluing raw wood, all of the woody material can be used.

Claims (3)

1. A lamellated and glued wooden beam consisting of a superposition of wooden laminations (2, 2') of two different types defining between them cavities (1) or the like which have a random cross-section, the two edges of the first type of lamination (2) being squared whereas only one edge of the second type of lamination (2') is squared, the other edge being provided with an edge-sawing, characterised in that the cavities (1) result from the arrangement of two laminations (2) of the first type, with squared edges, the width of which is equal to the width of the beam, placed at each side of two laminations (2') of the second type with only one squared edge in such a manner that squared edges of the two types of lamination are aligned to form the lateral faces of the beam, and that the sawn edges of the laminations (2') of the second type are arranged facing one another inside the beam, the use of frusto- conical balks or rough timber for the construction of the laminations having the effect that the general direction of the cavities (1) is not parallel to said lateral faces of the beam.
2. A lamellated and glued wooden beam consisting of a superposition of wooden laminations (2, 2') of two different types defining between them cavities (1) or the like having a random cross-section, the two edges of the first type of lamination (2) being squared whereas only one edge of the second type of lamination (2') is squared, the other side being provided with an edge-sawing, characterised in that the cavities (1) result from a staggered arrangement of laminations (2) of the first type with two squared edges and of laminations (2') of the second type with only one squared edge, in such a manner that squared edges of the two types of lamination (2, 2') are aligned to form lateral faces of the beam and that the edge-sawings of the laminations (2') of the second type are disposed towards the interior of the beam facing a squared edge of the laminations (2) of the first type in such a manner that the width of the cavities (1) is variable depending on the uses for which the beam is intended, by increasing or reducing the overlapping of the two laminations (2) of the first type, applied one against the other in the region of the squared edges situated in the interior of the beam, laminations (2) of the first type, having a width equal to that of the beam, forming the upper and lower faces of said beam.
3. A beam as claimed in either one of the Claims 1 and 2 characterised in that the laminations (2, 2') used are advantageously obtained by selective edge-sawing "outside faults", that is to say they have a continuity of the fibres in their external regions, the knots being kept in the middle region so that all the laminations (2, 2') can be used without causing any off-cuts.
EP82440017A 1981-06-23 1982-06-16 Lamellated and glued wooden member presenting, cross-sectionally, cavities or the like Expired EP0069040B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82440017T ATE26732T1 (en) 1981-06-23 1982-06-16 WOODEN BODY MADE OF GLUED LAMINATIONS WITH TEACHING ROOMS OR SIMILAR IN CROSS SECTION.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8112694 1981-06-23
FR8112694A FR2508084A1 (en) 1981-06-23 1981-06-23 LAMINATED WOODEN ELEMENT HAVING, IN RIGHT SECTION, ALVEOLES, OR THE LIKE

Publications (3)

Publication Number Publication Date
EP0069040A2 EP0069040A2 (en) 1983-01-05
EP0069040A3 EP0069040A3 (en) 1983-10-12
EP0069040B1 true EP0069040B1 (en) 1987-04-22

Family

ID=9259947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82440017A Expired EP0069040B1 (en) 1981-06-23 1982-06-16 Lamellated and glued wooden member presenting, cross-sectionally, cavities or the like

Country Status (5)

Country Link
EP (1) EP0069040B1 (en)
AT (1) ATE26732T1 (en)
DE (1) DE3276125D1 (en)
DK (1) DK154162C (en)
FR (1) FR2508084A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8908833U1 (en) * 1989-07-20 1990-08-23 Kuehne, Klaus, 3404 Adelebsen, De
DE3924088A1 (en) * 1989-07-20 1991-01-24 Klaus Kuehne Prodn. of large wooden beam - by cutting longitudinally in four pieces from single tree trunk
DE8909575U1 (en) * 1989-08-10 1989-12-07 Gebr. Kuehne Gmbh & Co. Saegewerk Und Holzhandel, 3404 Adelebsen, De
DE3928322C2 (en) * 1989-08-26 1997-10-09 Kuehne Gmbh & Co Saegewerk Und Wood composite beams and process for its manufacture
FI119779B (en) * 2006-02-03 2009-03-13 Antti Mikael Hartikainen wall element
US11084245B2 (en) * 2019-01-09 2021-08-10 Six Minutes LLC Cross-laminated timber having a conduit therein

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR962589A (en) * 1950-06-16
GB119525A (en) * 1917-10-03 1918-10-03 Frederick Thomas Walker Improved Method of Reinforcing Timber.
DE396738C (en) * 1921-09-16 1924-06-14 Heimland Gemeinnuetzige Siedel Wooden structure made of several layers of upright boards, planks or slabs
US2002506A (en) * 1931-11-03 1935-05-28 Clarence F Loudenback Truss structure
CH175272A (en) * 1934-03-01 1935-02-28 Martig Emanuel Wooden construction element.
CH472555A (en) * 1968-01-09 1969-05-15 Ringbau Ag Chalet beams, process for their manufacture and use

Also Published As

Publication number Publication date
DK154162B (en) 1988-10-17
DK260182A (en) 1982-12-24
EP0069040A3 (en) 1983-10-12
DE3276125D1 (en) 1987-05-27
EP0069040A2 (en) 1983-01-05
FR2508084A1 (en) 1982-12-24
FR2508084B1 (en) 1984-01-27
DK154162C (en) 1989-03-13
ATE26732T1 (en) 1987-05-15

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