EP1532326B1 - Panneau comportant un corps en bois realise avec des elements structurels en forme de planches - Google Patents

Panneau comportant un corps en bois realise avec des elements structurels en forme de planches Download PDF

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Publication number
EP1532326B1
EP1532326B1 EP03733730A EP03733730A EP1532326B1 EP 1532326 B1 EP1532326 B1 EP 1532326B1 EP 03733730 A EP03733730 A EP 03733730A EP 03733730 A EP03733730 A EP 03733730A EP 1532326 B1 EP1532326 B1 EP 1532326B1
Authority
EP
European Patent Office
Prior art keywords
boards
board
building elements
shaped building
panel
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
EP03733730A
Other languages
German (de)
English (en)
Other versions
EP1532326A1 (fr
Inventor
Per-Eric Stridsman
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.)
SWEDWOOD INTERNATIONAL AB
Original Assignee
SWEDWOOD INTERNATIONAL AB
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
Application filed by SWEDWOOD INTERNATIONAL AB filed Critical SWEDWOOD INTERNATIONAL AB
Publication of EP1532326A1 publication Critical patent/EP1532326A1/fr
Application granted granted Critical
Publication of EP1532326B1 publication Critical patent/EP1532326B1/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
    • E04C3/122—Laminated
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/12—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood

Definitions

  • the present invention relates to a panel having a wooden body, which is formed of board-shaped building elements arranged side by side, parallel to each other.
  • the object of the present invention is to provide a panel having a wooden body, which comprises board-shaped building elements, which are relatively light and dimensionally stable and which allow the use of sawn boards, said boards being in turn such as to allow an improved sawing yield to be obtained when sawing a log and, in some cases, allow logs of smaller diameter, which would otherwise serve as pulpwood, to be used for sawing suitable boards.
  • a board which is of the type stated by way of introduction and which is characterised in that the wooden body comprises at least two board-shaped building elements, each of which is made of two boards sawn from a log and having at least partially remaining wane portions, said boards being placed on top of each other and glued together, their narrow faces bearing against one another.
  • Fig. 1A shows a log 1 sawn through in the longitudinal direction.
  • Four boards 2a-2d are sawn from the log 1 using five longitudinal saw cuts sl-s5.
  • the wane portions 3a-3d of these boards 2a-2d are removed by the boards being cut clean by means of edgers, the boards being sawn along the saw cuts indicated by 4a-4d in.
  • Fig. 1A whereby the wane portions are removed.
  • Fig. 1B shows the same log 1 as in Fig. 1A , the log being sawn through in the same manner in the longitudinal direction for the purpose of making boards 2a-2d.
  • the sawing illustrated in Fig. 1B differs from the one shown in Fig. 1A only in that sawing intended to remove the wane portions 3a-3d is not carried out. This results in a greater sawing yield when sawing according to Fig. 1B than when sawing according to Fig. 1A .
  • Figs 2 and 3 show how a board-shaped building element 5 is made by means of two boards 2a and 2d, which are made using the procedure illustrated in Fig. 1B , i.e. which have remaining wane portions respectively 3a and 3d.
  • These boards 2a and 2d thus have a wide face 6a and 6d, respectively, and a narrow face 7a and 7d, respectively.
  • the latter faces 7a and 7d are planed, after which glue is applied to at least one of them.
  • the boards 2a and 2d are then placed on top of each other, their narrow faces 7a and 7d facing one another, to obtain the board-shaped building element 5 consisting of two boards 2a and 2d that are glued together.
  • the faces 6a and 6d of the building element 5 can be planed and its edge sides profiled to obtain the desired profile. It is particularly desirable for this profile to have a planed portion 8a, 8d, which extends perpendicularly to the two faces 6a and 6d of the building element 5 (see Fig. 4 ). Said profile can also have a planed portion (not shown) which extends obliquely relative to the two faces 6a and 6d.
  • the building element 5 is lighter than a corresponding building element of the same thickness and width, which is made of two boards produced by sawing according to Fig. 1A . This is because the building element 5 has at its lateral edges recesses 9 defined by the wane portions 3a and 3d. Furthermore, the building element 5 is highly dimensionally stable owing to the narrow faces 7a and 7d of the boards being joined together, which means that the arched annual ring portions 10a and 10d in the two boards are curved in opposite directions. Thus, when moisture changes occur in the boards 2a and 2d they aim at moving (warping) in opposite directions, so that the tendencies towards movement cancel each other out.
  • the panel 11 shown in Fig. 4 has a body, which is formed of two building elements 5 according to Fig. 3 arranged side by side, parallel to each other.
  • the building elements 5 are arranged next to each other, their planed portions 8a and 8d bearing against one another.
  • An upper surface layer 12 and a lower surface layer 13 are attached, preferably by gluing, to the two building elements 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Panels For Use In Building Construction (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Claims (1)

  1. Panneau comportant un corps en bois, qui est formé d'éléments de construction (5) en forme de planche disposés côte à côte, parallèlement les uns aux autres, caractérisé en ce que le corps en bois comprend au moins deux éléments de construction (5) en forme de planche, dont chacun est constitué de deux planches (2a,2d) sciées à partir d'une grume (1 ) et comportant des portions de flanche (3a, 3d) au moins partiellement restantes, lesquelles planches sont placées l'une sur l'autre et collées ensemble, leurs faces étroites (7a,7d) s'appuyant l'une contre l'autre.
EP03733730A 2002-06-19 2003-06-12 Panneau comportant un corps en bois realise avec des elements structurels en forme de planches Expired - Lifetime EP1532326B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0201868A SE523792C2 (sv) 2002-06-19 2002-06-19 Skiva med en trästomme av brädformiga byggelement
SE0201868 2002-06-19
PCT/SE2003/000977 WO2004001153A1 (fr) 2002-06-19 2003-06-12 Panneau comportant un corps en bois realise avec des elements structurels en forme de planches

Publications (2)

Publication Number Publication Date
EP1532326A1 EP1532326A1 (fr) 2005-05-25
EP1532326B1 true EP1532326B1 (fr) 2009-10-14

Family

ID=20288229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03733730A Expired - Lifetime EP1532326B1 (fr) 2002-06-19 2003-06-12 Panneau comportant un corps en bois realise avec des elements structurels en forme de planches

Country Status (9)

Country Link
EP (1) EP1532326B1 (fr)
AT (1) ATE445747T1 (fr)
AU (1) AU2003239014A1 (fr)
DE (1) DE60329686D1 (fr)
DK (1) DK1532326T3 (fr)
RU (1) RU2317382C2 (fr)
SE (1) SE523792C2 (fr)
UA (1) UA80432C2 (fr)
WO (1) WO2004001153A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105113702A (zh) * 2015-08-11 2015-12-02 彭志军 一种纯原木拼板及应用有纯原木拼板的铝木复合拼板装置
RU168168U1 (ru) * 2015-10-28 2017-01-23 федеральное государственное бюджетное образовательное учреждение высшего образования "Костромской государственный университет" (КГУ) Деревянная двутавровая клееная балка
FR3100552B1 (fr) * 2019-09-11 2021-10-29 Mathis Paul Henri Elément de construction et procédé de production d’au moins un élément de construction à partir d’un rondin de bois

Family Cites Families (4)

* 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
US5896723A (en) * 1995-06-21 1999-04-27 Sing; Peter Laminated wood structural units
US5618371A (en) * 1995-06-21 1997-04-08 Sing; Peter Method of producing laminated wood beams
CA2297556A1 (fr) * 2000-01-27 2001-07-27 Paul-Henri Mathis Nouvelles poutres en bois lamelle-colle a lamelles fractionnees tolerant du flache cache

Also Published As

Publication number Publication date
DK1532326T3 (da) 2010-01-04
ATE445747T1 (de) 2009-10-15
DE60329686D1 (de) 2009-11-26
RU2005101092A (ru) 2005-06-10
UA80432C2 (en) 2007-09-25
SE523792C2 (sv) 2004-05-18
SE0201868D0 (sv) 2002-06-19
WO2004001153A1 (fr) 2003-12-31
SE0201868L (sv) 2003-12-20
RU2317382C2 (ru) 2008-02-20
AU2003239014A1 (en) 2004-01-06
EP1532326A1 (fr) 2005-05-25

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