EP0518246B1 - Procédé de fabrication de poutre creuse en bois et les structures de cette poutre obtenues par ce procédé - Google Patents

Procédé de fabrication de poutre creuse en bois et les structures de cette poutre obtenues par ce procédé Download PDF

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Publication number
EP0518246B1
EP0518246B1 EP92109618A EP92109618A EP0518246B1 EP 0518246 B1 EP0518246 B1 EP 0518246B1 EP 92109618 A EP92109618 A EP 92109618A EP 92109618 A EP92109618 A EP 92109618A EP 0518246 B1 EP0518246 B1 EP 0518246B1
Authority
EP
European Patent Office
Prior art keywords
timber
wooden
cut
parallel
core
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 - Lifetime
Application number
EP92109618A
Other languages
German (de)
English (en)
Other versions
EP0518246A2 (fr
EP0518246A3 (en
Inventor
Berthold Fries
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE9107371U external-priority patent/DE9107371U1/de
Priority claimed from DE9107760U external-priority patent/DE9107760U1/de
Application filed by Individual filed Critical Individual
Publication of EP0518246A2 publication Critical patent/EP0518246A2/fr
Publication of EP0518246A3 publication Critical patent/EP0518246A3/de
Application granted granted Critical
Publication of EP0518246B1 publication Critical patent/EP0518246B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B1/00—Methods for subdividing trunks or logs essentially involving sawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
    • B27M3/0026—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally
    • B27M3/0053—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally using glue

Definitions

  • the invention relates to a method for manufacturing a wooden hollow beam, rectangular in outline Composite construction, which consists of several, in the longitudinal direction of the wooden hollow beam, with each other connected, enclosing a cavity
  • Individual elements is composed, being used for production of the individual elements of the hollow wooden beam to be manufactured
  • First, one each from conical log sections Core plank is cut out, being a cuboid Core plank with a cut parallel to the core and a wedge-shaped core plank with a fiber parallel Cut is obtained and each of the two thereby resulting outer trunk segments with three separate External surfaces is provided and then the dried trunk outer segments perpendicular to Cutting surface for the core plank are separated, whereby the cutting surface dividing the outer segments is that the ends of the annual rings are not on one and emerge from the same cut surface and the middle outer surface parallel to the cut surface of the log section or processed parallel to the fiber, and that then four sorted individual elements accordingly in pairs turned longitudinally and cross-sectioned to one Hollow wooden beams are glued together.
  • EP-A-0 388 507 also offers possibilities of combined individual pieces from different Round timber sections mentioned in these wooden beam formations and the procedures, however, is not included that the separation from the log section too no definition / cataloging can lead, but the basic usage pattern for many areas only to be determined on the semi-timber-like primary material is.
  • EP-A-0 388 507 describes certain Bar shapes, but not with the primary aim of the inevitably different forms of raw wood the combinations of individual elements of different sizes, then the tree edge areas due to crossing of the center of the beam are to be processed, to use meaningful beam cross sections. Combinations from different raw wood diameters Formation of only one cross section (roughly that of the average diameter of the range of diameters used corresponds) are not provided.
  • the invention has for its object a method to create hollow wooden beams that greater freedom of movement when compiling Individual elements to a hollow beam allowed to one better dimensional stability with changing moisture and in Long-term behavior leads and a safe closing of the Adhesive joints guaranteed and with that in economical The best possible yield with the least Committee is reached.
  • Sawing parallel to fibers brings enormous advantages in terms of Crack formation, drying behavior and resilience.
  • the materials from the wedge-like center piece can in turn be used for hollow beam production be used.
  • sawing parallel to fibers there is no need so only a small part of what is not to wooden beams is to be processed.
  • Figures 2, 3, 6 and 8 are not types of the invention according to claim 1.
  • 1 shows the incision of log sections 1 as well as cuts to create the trunk outer segments as Material for hollow wooden beams 50.
  • FIGS. 1 to 5 Through the incisions created in FIGS. 1 to 5 there are round wood parts or semi-wood-like ones Trunk outer segments 5, whose tree edge surfaces are not are pre-processed.
  • Fig. 8 shows how a in the incision area (Fig. 1) separated trunk outer segment 5 in the wet state a segment 15 tri-surface-conical in compliance of a certain joint surface width 11 pre-processed 10 and is provided with relaxation slots 12.
  • the vertical dashed line indicates that at a later also off-center separating cut the tree rings 9 always run out on two surfaces.
  • Fig. 9 shows in principle a similar processing, it also points to the tree edge area processing 13, 14 and another type of relaxation slots 12.
  • FIGS. 8 and 9 show that the Pre-processing is not always triple-conical takes place, but also only twice or in parallel can be done.
  • Fig. 11 shows how the joint surfaces 10 by gradations 30 can be reduced.
  • the bars 50 sketched to the right with a hole 51 in the middle show how uneven by combination large individual elements 21a always the same cross-sectional size 24a can be obtained.
  • FIG. 13 shows two perspective views the hollow wooden beam 50 with the hole 51, the hole sizes 53, the edges 57 and the tree ring exits 55 in Corner area 54 and the tree ring exits 9 two surfaces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Artificial Filaments (AREA)

Claims (4)

  1. Procédé de fabrication d'une poutre creuse en bois (50) de section rectangulaire selon la méthode de construction composite, cette poutre étant composée d'éléments distincts (21) renfermant un espace creux (51), s'étendant dans la direction longitudinale de la poutre (50) et étant reliés les uns aux autres, procédé au cours duquel, en vue de la fabrication des éléments distincts (21) de la poutre creuse en bois (50) à réaliser, on découpe d'abord dans des rondins coniques (1, 2) un madrier central, de façon à obtenir un madrier central (4) de forme parallélépipédique si la coupe est parallèle au coeur et un madrier central (4) en forme de coin si la coupe est parallèle aux fibres et on ménage sur les deux segments extérieurs (5) du tronc résultant de cette opération, trois surfaces extérieures (6, 7, 8) distinctes les une des autres, puis on sépare (18) les segments extérieurs séchés (5) du tronc perpendiculairement à la surface de coupe (q) entre ces segments et le madrier central (4), la surface de coupe (18) séparant les segments extérieurs (5) étant agencée de telle manière que les extrémités des cernes n'aboutissent pas sur une même surface de coupe et que la surface extérieure intermédiaire (8) soit dégrossie parallèlement à la surface de coupe (q) du rondin (1, 2) ou parallèlement aux fibres, et on assemble par collage une poutre creuse (50) en bois à partir de quatre éléments distincts (21) triés en les inversant par paire longitudinalement et transversalement,
    caractérisé en ce que
    les segments extérieurs (5) du tronc sont découpés dans le rondin (1, 2) à l'état humide et les surfaces extérieures (6, 7, 8) sont dégrossies aussi encore à l'état humide,
    en ce que pour obtenir des surfaces de contact (10) définies sur les surfaces extérieures (6, 7, 8), les zones (13, 14) du rondin situées entre les surfaces de contact (10) sont aplanies soit avant, soit après le séchage consécutif des segments extérieurs (5) dégrossis du tronc,
    et en ce que les surfaces de contact (10) et les surfaces extérieures ultérieures (16) de la poutre creuse en bois sont ajustées à leurs dimensions finales à l'état sec.
  2. Procédé suivant la revendication 1 caractérisé en ce que l'étendue des surfaces de contact (10) est réduite en prévoyant un décrochement (30) à partir des surfaces (13, 14).
  3. Procédé suivant la revendication 1 ou 2 caractérisé en ce qu'on pratique, de préférence de façon excentrée, une ou plusieurs fentes (12) de relaxation de contraintes dans les matériaux bruts humides (5), à savoir dans les faces opposées aux surfaces correspondant au coeur.
  4. Procédé suivant l'une quelconque des revendications 1 à 3 caractérisé en ce que, lors de l'ajustement aux dimensions finales (19) après le séchage, les séparations souhaitées (18) des segments extérieurs (5) du tronc sont pratiquées au milieu ou à l'écart du milieu.
EP92109618A 1991-06-14 1992-06-06 Procédé de fabrication de poutre creuse en bois et les structures de cette poutre obtenues par ce procédé Expired - Lifetime EP0518246B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE9107371U DE9107371U1 (de) 1991-06-14 1991-06-14 Holzbalken
DE9107371U 1991-06-14
DE9107760U DE9107760U1 (de) 1991-06-24 1991-06-24 Deckenbalken und Fachwerk
DE9107760U 1991-06-24
DE4204616 1992-02-15
DE4204616 1992-02-15

Publications (3)

Publication Number Publication Date
EP0518246A2 EP0518246A2 (fr) 1992-12-16
EP0518246A3 EP0518246A3 (en) 1993-05-19
EP0518246B1 true EP0518246B1 (fr) 1999-03-17

Family

ID=27203418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92109618A Expired - Lifetime EP0518246B1 (fr) 1991-06-14 1992-06-06 Procédé de fabrication de poutre creuse en bois et les structures de cette poutre obtenues par ce procédé

Country Status (3)

Country Link
EP (1) EP0518246B1 (fr)
AT (1) ATE177672T1 (fr)
DE (1) DE59209652D1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115609A (en) * 1991-07-03 1992-05-26 Peter Sing Method of converting logs and resultant product
US5299400A (en) * 1992-09-24 1994-04-05 Peter Sing Converted log structural products and method
SE9704212L (sv) * 1996-12-13 1998-06-14 Primwood Ab Förfarande för sönderdelning av stockar
AT2296U1 (de) * 1997-06-13 1998-08-25 Felbermayr Herbert Verfahren zum herstellen von profilholz
EP0915213A3 (fr) * 1997-11-04 2000-10-18 Konstruktion-Holz-Werk Seubert KHW GmbH & Co. KG Elément de construction en bois et son procédé de fabrication
ATE277726T1 (de) * 1998-01-20 2004-10-15 Fries Petra Verfahren zur herstellung von einzelteilen und von holzbalken, aus diesen einzelteilen gefertigt,sowie produktionslinie für mechanische bearbeitung
SE510493C2 (sv) * 1998-05-29 1999-05-31 Lars Hammarstroem Förfarande för sönderdelning av en stock samt virkesenhet
DE19849029A1 (de) * 1998-10-23 2000-05-18 Konstruktion Holz Werk Seubert Holzbalken und Verfahren zum Herstellen eines Holzbalkens
FI20001716A (fi) * 2000-07-27 2002-01-28 M Johan Tore Karlstr Rankajõrjestely ja siihen liittyvõt menetelmõt
WO2011051794A2 (fr) * 2009-10-30 2011-05-05 Nikolay Skuratov Plaque de bois semi-massif composée de profilés de bois collés les uns aux autres
RU2478466C1 (ru) * 2011-10-04 2013-04-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Марийский государственный университет Способ раскроя круглых лесоматериалов, имеющих кольцевые поражения
AT515171B1 (de) * 2013-12-10 2016-02-15 Hans-Peter Ing Leitinger Schnittholzplatte aus Seitenbrettware sowie Verfahren zu deren Herstellung
EP3127669A1 (fr) * 2015-08-04 2017-02-08 Binderholz International AG Procede de fabrication de composants en bois
DE102016003506A1 (de) * 2016-03-18 2017-09-21 Weinig Dimter Gmbh & Co. Kg Verfahren zur Herstellung von Blöcken aus aneinander gesetzten, miteinander verleimten Holzteilen sowie Anlage zur Durchführung des Verfahrens
CN112606151B (zh) * 2020-12-16 2023-07-18 南京林业大学 一种利用小径木制作空心圆木柱的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE855900C (de) * 1950-08-18 1952-11-17 Hans Vollmar Holzbauglied, z. B. Traeger, Stuetze, Fachwerkstab od. dgl.
CH284016A (de) * 1950-08-22 1952-07-15 Emil Dr Staudacher Konstruktionselement aus Holz.
DE1434785A1 (de) * 1964-03-02 1968-11-28 Fritz Reinke Aus Fertigteilen zusammengesetzter Hohlkoerper
DE1509026A1 (de) * 1964-03-21 1969-01-09 Timber Engineering Company Balkenkonstruktion fuer Holzbauten
DE3130445C2 (de) * 1981-07-23 1984-09-06 Gerhard Dipl.-Ing. 5461 Ockenfels Meickl Beschlag zum querkraftbelastbaren Anschluß an die Stirnseite von Holzbalken
FR2606057B1 (fr) * 1986-11-04 1990-10-12 Wolf Philippe Renforcement d'elements de charpente par insertion de plaques a haute resistance
ATE124313T1 (de) * 1989-03-23 1995-07-15 Berthold Fries Holzbalken und verfahren zu dessen herstellung.
DE8909575U1 (de) * 1989-08-10 1989-12-07 Gebr. Kühne GmbH & Co. Sägewerk und Holzhandel, 3404 Adelebsen Verbundbalken aus Seitenware erzeugt

Also Published As

Publication number Publication date
EP0518246A2 (fr) 1992-12-16
ATE177672T1 (de) 1999-04-15
EP0518246A3 (en) 1993-05-19
DE59209652D1 (de) 1999-04-22

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