EP0941390A1 - Rekonstruierter holzbalken - Google Patents
Rekonstruierter holzbalkenInfo
- Publication number
- EP0941390A1 EP0941390A1 EP97947118A EP97947118A EP0941390A1 EP 0941390 A1 EP0941390 A1 EP 0941390A1 EP 97947118 A EP97947118 A EP 97947118A EP 97947118 A EP97947118 A EP 97947118A EP 0941390 A1 EP0941390 A1 EP 0941390A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wood
- core
- central structure
- pieces
- wooden beam
- 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.)
- Granted
Links
- 239000002023 wood Substances 0.000 claims abstract description 51
- 238000005253 cladding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 241000894007 species Species 0.000 description 16
- 239000007787 solid Substances 0.000 description 3
- 241000208140 Acer Species 0.000 description 1
- 235000003385 Diospyros ebenum Nutrition 0.000 description 1
- 241000792913 Ebenaceae Species 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 244000086363 Pterocarpus indicus Species 0.000 description 1
- 235000009984 Pterocarpus indicus Nutrition 0.000 description 1
- 244000186561 Swietenia macrophylla Species 0.000 description 1
- 240000002871 Tectona grandis Species 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
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 a reconstructed type wooden beam.
- This type of so-called reconstituted beam is traditionally an assembly of wood elements, said elements being assembled so as to obtain the shape and the general appearance of a part or of a solid wood beam.
- the wooden beam of the reconstituted type according to the invention overcomes the drawbacks of the prior art.
- a beam of the reconstituted type characterized in that it essentially comprises a central structure or core and an external covering secured to said central structure or core, said central structure or core being produced from pieces of wood of at least one species, and in that at least a part of the pieces of wood respectively producing the central structure or core and the external covering have been previously heated to high temperature.
- beam is not limiting and can also designate rafters, joists, etc.
- all of the pieces of wood respectively producing the central structure or core and the exterior covering were previously heated to high temperature.
- the central structure or core is made from pieces of wood of several species.
- the species of wood used for the pieces of wood making the central structure or core are different from the essence of wood used for the pieces of wood making the exterior cladding.
- the species of wood used for the pieces of wood forming the central structure or core are common species.
- “Common species” means wood species which are generally inexpensive to purchase (coniferous, poplar, eucalyptus, etc.).
- the essence of wood used for the pieces of wood making the exterior cladding is a noble essence.
- non-ble species is used for a more expensive wood species as opposed to the “common species” used in the central structure or core of the beam, therefore not visible from the outside.
- the wood of noble essence making the exterior cladding is chosen from the group (oak, walnut, ash, elm, maple) and / or from the group (mahogany, teak, ebony, sapelo sep, rosewood).
- the elements of noble essence wood, making the external covering of the beam are also previously heated to high temperature.
- FIG. 1 is a perspective view of a wooden beam of the reconstituted type according to the invention
- FIG. 1 is a torn perspective view of the wooden beam of Figure 1.
- a reconstructed type wooden beam has a central structure or core (1).
- a reconstituted type beam also includes an external covering (2) lining the central structure or core (1).
- the central structure or core (1) consists of an assembly of pieces of wood (4) of one or several different species previously heated to high temperature guaranteeing said pieces of wood dimensional stability, said species being preferably different from that used for one exterior covering.
- Certain pieces of wood (4) forming the central structure or core are assembled using the technique known as laminating or glulam.
- This technique consists in assembling pieces of wood, for example planks, boards or veneers by superimposing said pieces, preferably with parallel wire, and joining them by gluing.
- the central structure or core (1) comprises at least one metal insert (not shown) extending along the longitudinal axis of the beam.
- a beam of the reconstituted type is thus obtained with improved rigidity.
- the outer covering (2) is an assembly of pieces of wood (3) of noble essence.
- the pieces of wood making the exterior cladding are assembled according to the so-called laminating technique (glulam).
- the outer covering (2) is secured to the central structure or core (1) of the beam by gluing.
- the external covering cannot be limited to two faces of the beam, by example if the beam is fixed at the junction of a wall section and a ceiling.
- beams of the reconstituted type according to the invention by their dimensional stability, can advantageously replace solid wood beams in modern constructions.
- the present invention finds its application in decoration and construction structures in the building.
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)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9614617 | 1996-11-22 | ||
| FR9614617A FR2756206B1 (fr) | 1996-11-22 | 1996-11-22 | Poutre de bois de type reconstitue |
| PCT/FR1997/002108 WO1998022675A1 (fr) | 1996-11-22 | 1997-11-21 | Poutre de bois de type reconstitue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0941390A1 true EP0941390A1 (de) | 1999-09-15 |
| EP0941390B1 EP0941390B1 (de) | 2001-03-28 |
Family
ID=9498140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97947118A Expired - Lifetime EP0941390B1 (de) | 1996-11-22 | 1997-11-21 | Rekonstruierter holzbalken |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0941390B1 (de) |
| AT (1) | ATE200126T1 (de) |
| CA (1) | CA2272465A1 (de) |
| DE (1) | DE69704437T2 (de) |
| ES (1) | ES2157604T3 (de) |
| FR (1) | FR2756206B1 (de) |
| NO (1) | NO992474D0 (de) |
| WO (1) | WO1998022675A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2297556A1 (fr) | 2000-01-27 | 2001-07-27 | Paul-Henri Mathis | Nouvelles poutres en bois lamelle-colle a lamelles fractionnees tolerant du flache cache |
| WO2006101413A1 (en) * | 2005-03-21 | 2006-09-28 | Zakrytoe Aktsionernoe Obschestvo 'grafitnyy' | Composite structural element |
| EP1736610A1 (de) * | 2005-06-20 | 2006-12-27 | Termin Bausatz R22 GmbH | Bauelement, insbesondere für Fenster und Wintergärten |
| DE102007046011B4 (de) * | 2007-09-26 | 2015-11-05 | Halco Gmbh | Vollholz-Bohle |
| AP2014007554A0 (en) * | 2011-09-02 | 2014-04-30 | Spencer Drake Trust | Construction timber |
| SE543813C2 (en) * | 2020-02-12 | 2021-08-03 | Ikea Supply Ag | Method for producing a veneered structural element, structural element and a piece of furniture |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1368594A (en) * | 1918-02-21 | 1921-02-15 | Haskelite Mfg Corp | Reinforced wooden beam |
| FR905625A (fr) * | 1943-07-05 | 1945-12-10 | Poutre en treillis exécutée en bois | |
| GB954012A (en) * | 1959-06-25 | 1964-04-02 | William Perceval Randall | Improvements relating to ladder stiles |
| US3445325A (en) * | 1966-08-22 | 1969-05-20 | Us Agriculture | Laminated wood beam with improved preservative treatment |
| CH480518A (fr) * | 1968-01-18 | 1969-10-31 | Rochat Marcel | Madrier pour la construction d'un chalet |
| DE2515597A1 (de) * | 1975-04-10 | 1976-10-21 | Karlhans Mueller | Holzbalken-konstruktion |
| JP2552961B2 (ja) * | 1991-03-04 | 1996-11-13 | 兵五 泉 | 含水率の変化に従い風力と圧力を転換させうる木材乾燥法 |
-
1996
- 1996-11-22 FR FR9614617A patent/FR2756206B1/fr not_active Expired - Fee Related
-
1997
- 1997-11-21 ES ES97947118T patent/ES2157604T3/es not_active Expired - Lifetime
- 1997-11-21 DE DE69704437T patent/DE69704437T2/de not_active Expired - Lifetime
- 1997-11-21 EP EP97947118A patent/EP0941390B1/de not_active Expired - Lifetime
- 1997-11-21 CA CA002272465A patent/CA2272465A1/fr not_active Abandoned
- 1997-11-21 AT AT97947118T patent/ATE200126T1/de not_active IP Right Cessation
- 1997-11-21 WO PCT/FR1997/002108 patent/WO1998022675A1/fr not_active Ceased
-
1999
- 1999-05-21 NO NO992474A patent/NO992474D0/no not_active Application Discontinuation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9822675A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2756206B1 (fr) | 1999-01-29 |
| ATE200126T1 (de) | 2001-04-15 |
| ES2157604T3 (es) | 2001-08-16 |
| CA2272465A1 (fr) | 1998-05-28 |
| DE69704437T2 (de) | 2001-11-22 |
| EP0941390B1 (de) | 2001-03-28 |
| DE69704437D1 (de) | 2001-05-03 |
| NO992474L (no) | 1999-05-21 |
| NO992474D0 (no) | 1999-05-21 |
| WO1998022675A1 (fr) | 1998-05-28 |
| FR2756206A1 (fr) | 1998-05-29 |
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