EP0069040B1 - Holzkörper aus geklebten Lamellen, die im Querschnitt Lehrräume oder ähnliches aufweisen - Google Patents

Holzkörper aus geklebten Lamellen, die im Querschnitt Lehrräume oder ähnliches aufweisen 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
Authority
EP
European Patent Office
Prior art keywords
type
laminations
squared
edge
edges
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.)
Expired
Application number
EP82440017A
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English (en)
French (fr)
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EP0069040A2 (de
EP0069040A3 (en
Inventor
Paul-Henri Mathis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paul Mathis Sa Ets
Original Assignee
Paul Mathis Sa Ets
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Filing date
Publication date
Application filed by Paul Mathis Sa Ets filed Critical Paul Mathis Sa Ets
Priority to AT82440017T priority Critical patent/ATE26732T1/de
Publication of EP0069040A2 publication Critical patent/EP0069040A2/de
Publication of EP0069040A3 publication Critical patent/EP0069040A3/fr
Application granted granted Critical
Publication of EP0069040B1 publication Critical patent/EP0069040B1/de
Expired legal-status Critical Current

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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
    • E04C3/12—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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Manufacture Of Wood Veneers (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Stringed Musical Instruments (AREA)

Claims (3)

  1. -1. Träger aus verleimtem Schichtholz, bestehend aus einer Übereinanderschichtung von Holzlamellen (2,2') zwei verschiedener Typen, die gegeneinander einen zufälligen Querschnitt aufweisende Hohlräume (1), oder ähnliches, abgrenzen, wobei die beiden Kanten des ersten Lamellentyps (2) rechteckig sind, während nur eine einzige Kante des zweiten Lamellentyps (2') rechteckig, die andere Kante mit einer Vorbesäumung versehen ist, dadurch gekennzeichnet, daß sich die Hohlräume (1) aus der Anordnung der beiden Lamellen (2) des ersten Typs mit rechteckigen Kanten ergeben, deren Breite der Trägerbreite entspricht, die von beiden Seiten der beiden Lamellen (2') des zweiten Typs, mit einer einzigen, rechteckigen Kante, angebracht sind, so daß rechteckige Kanten der beiden Lamellentypen so ausgerichtet sind, daß sie die Seitenflächen des Trägers bilden, und daß die Vorbesäumungen der Lamellen (2') des zweiten Typs innerhalb des Trägers einander gegenüberliegend angeordnet sind, wobei die Verwendung der kegelstumpfartigen Lamellen aus Balken oder Stammholz bewirkt, daß die Hauptrichtung der Hohlräume (1) zu den besagten Seitenflächen des Trägers nicht parallel verläft.
  2. 2. Träger aus verleimtem Schichtholz, bestehend aus einer Ubereinanderschichtung von Holzlamellen-(2, 2') zwei verschiedener Typen, die gegeneinander einen zufälligen Querschnitt aufweisende Hohlräume (1), oder ähnliches, abgrenzen, wobei die beiden Kanten des ersten Lamellentyps (2) rechteckig sind, während nur eine einzige Kante des zweiten Lammellentyps (2') rechteckig, die andere Kante mit einer Vorbesäumung versehen ist, dadurch gekennzeichnet, daß sich die Hohlräume (2) aus einer versetzten Anordnung von Lamellen (2) des ersten Typs mit zwei reckteckigen Kanten, und aus Lamellen (2') des zweiten Typs mit einer einzigen, rechteckigen Kante ergeben, so daß rechteckige Kanten der beiden Lamellentypen (2,2') so ausgerichtet sind, daß sie Seitenflächen des Trägers bilden, und daß die Vorbesäumungen der Lamellen (2') des zweiten Typs nach dem Balkeninneren zu gegenüber einer rechteckigen Kante der Lamellen (2) des ersten Typs derart angeordnet sind, daß die Breite der Hohlräume (1) je nach der vorgesehenen Verwendung des Trägers, durch Vergrößerung oder Verkleinerung der Überlappung der beiden, übereinander im Bereich der innerhalb des Trägers gelegenen, rechteckigen Kanten der Lamellen (2) des ersten Typs, mit gleicher Breite wie der Träger, angesetzten Lamellen (2) des ersten Typs variabel ist, wobei sie die oberen und unteren Flächen des besagten Trägers bilden.
  3. 3. Träger nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß die verwendeten Lamellen (2, 2') vorteilhaft durch Ausschneiden "ohne Fehler" gewonnen werden, d.h., daß sie in ihren äuBeren Bereichen einen gleichmäßigen Faserlauf aufweisen, wobei die Äste im mittteren Bereich verbleiben, so daß alle Lamellen (2, 2') ohne Verschnitt verwendet werden können.
EP82440017A 1981-06-23 1982-06-16 Holzkörper aus geklebten Lamellen, die im Querschnitt Lehrräume oder ähnliches aufweisen Expired EP0069040B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82440017T ATE26732T1 (de) 1981-06-23 1982-06-16 Holzkoerper aus geklebten lamellen, die im querschnitt lehrraeume oder aehnliches aufweisen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8112694 1981-06-23
FR8112694A FR2508084A1 (fr) 1981-06-23 1981-06-23 Element en bois lamelle colle presentant, en section droite, des alveoles, ou analogues

Publications (3)

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

Family

ID=9259947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82440017A Expired EP0069040B1 (de) 1981-06-23 1982-06-16 Holzkörper aus geklebten Lamellen, die im Querschnitt Lehrräume oder ähnliches aufweisen

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8908833U1 (de) * 1989-07-20 1990-08-23 Kuehne, Klaus, 3404 Adelebsen, De
DE3924088A1 (de) * 1989-07-20 1991-01-24 Klaus Kuehne Verbundbalken aus konischem rundholz
DE8909575U1 (de) * 1989-08-10 1989-12-07 Gebr. Kuehne Gmbh & Co. Saegewerk Und Holzhandel, 3404 Adelebsen, De
DE3928322C2 (de) * 1989-08-26 1997-10-09 Kuehne Gmbh & Co Saegewerk Und Holzverbundbalken und Verfahren zu seiner Herstellung
FI119779B (fi) * 2006-02-03 2009-03-13 Antti Mikael Hartikainen Seinäelementti
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 (de) * 1950-06-16
GB119525A (en) * 1917-10-03 1918-10-03 Frederick Thomas Walker Improved Method of Reinforcing Timber.
DE396738C (de) * 1921-09-16 1924-06-14 Heimland Gemeinnuetzige Siedel Hoelzernes Tragwerk aus mehreren Lagen hochkant stehender Bretter, Bohlen oder Schwarten
US2002506A (en) * 1931-11-03 1935-05-28 Clarence F Loudenback Truss structure
CH175272A (de) * 1934-03-01 1935-02-28 Martig Emanuel Holzbauelement.
CH472555A (de) * 1968-01-09 1969-05-15 Ringbau Ag Chaletbalken, Verfahren zu dessen Herstellung sowie seine Verwendung

Also Published As

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

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