EP2033752B1 - Revêtement extérieur et son procédé de fabrication - Google Patents

Revêtement extérieur et son procédé de fabrication Download PDF

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Publication number
EP2033752B1
EP2033752B1 EP07017353.9A EP07017353A EP2033752B1 EP 2033752 B1 EP2033752 B1 EP 2033752B1 EP 07017353 A EP07017353 A EP 07017353A EP 2033752 B1 EP2033752 B1 EP 2033752B1
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EP
European Patent Office
Prior art keywords
base body
cut edge
laser
external cladding
cutting
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.)
Active
Application number
EP07017353.9A
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German (de)
English (en)
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EP2033752A1 (fr
EP2033752B8 (fr
Inventor
Markus Brühwiler
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.)
BRUEHWILER, MARKUS
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Individual
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Priority to EP07017353.9A priority Critical patent/EP2033752B8/fr
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Application granted granted Critical
Publication of EP2033752B1 publication Critical patent/EP2033752B1/fr
Publication of EP2033752B8 publication Critical patent/EP2033752B8/fr
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    • 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
    • E04C2/16—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 fibres, chips, vegetable stems, or the like
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/10—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of wood or with an outer layer of wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/16—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of fibres or chips, e.g. bonded with synthetic resins, or with an outer layer of fibres or chips

Definitions

  • the invention relates to an external cladding of buildings, in particular facade, with a plate for arranging in the exterior of the Bauwers, in particular facade panel, with a flat body, which consists at least partially of wood or a wood material, according to the preamble of claim 1.
  • Façade panels or other external cladding of buildings are traditionally also made of wood or wood-based materials. There is the problem that wood or wood materials have weathering due to rain, wind, sun, etc. only a limited life and comparatively quickly unsightly.
  • an outer lining of buildings in particular Facades to provide with a plate of the type mentioned for arranging in the outer area of the building, which has a high durability with ease of manufacture.
  • the invention is based on the idea already integral to produce a separation of the separation edges (cut edges) against environmental influences when separating the plates.
  • the invention provides that in a generic plate of the base body has been separated from the starting material by laser cutting and thereby the at least one separating edge at least partially having a charred surface.
  • Under a charred surface is to be understood as a surface, as it arises during processing of the respective material by means of a laser.
  • the separating edge is formed in the surface region with a charred layer, an at least partially closed structure is present instead of the open-pored structure of a sawn separating edge.
  • the separating edge simultaneously with its production receives an integral protective layer, which effectively and permanently protects it against environmental influences.
  • the creation allows the cutting edge by laser cutting a very high degree of freedom of the geometric design of the plate.
  • not only rectangular, but also round, star-shaped or other, arbitrarily shaped plates can be easily produced, which is not possible or only with great effort with conventional saws.
  • the base body perpendicular to its planar extension has at least one passage opening which is bounded by an inner separation edge, which was produced by laser cutting and dadaurch at least partially has a charred surface.
  • the plate according to the invention can be provided, for example with mounting holes or light incidence, without thereby affecting the durability of the plate or the manufacturing process is made more complex.
  • the base body has a plurality of through holes, wherein the through holes occupy an area of at least 10%, preferably at least 20%, more preferably at least 30% of the surface of the body in the plane of its planar extension.
  • the plate according to the invention diverse optical and architectural effects, for example by the plate is provided with a plurality of arbitrarily shaped and arranged light incident openings. It should be noted again that the durability of the plate is not affected by the provision of the through holes and the through holes can be introduced in a simple manner.
  • the at least one separating edge and / or the at least one inner separating edge has at least one cover layer. It is particularly preferred that the at least one cover layer is made similar to the at least one flat cover layer in order to realize the advantages mentioned above particularly pronounced.
  • the base body has a fire protection agent, and / or that the at least one cover layer has a flame retardant. This results in - in combination with the invention, charred formation of at least one separating edge - a completely new plate for outdoor use of buildings, which can also meet high fire safety requirements.
  • Type and configuration of the main body of the plate according to the invention are not particularly limited within the scope of the invention. However, it has proved to be advantageous in terms of a good durability, good workability by means of laser and good mechanical properties that the main body is formed by a flat-pressed plate (for example, defined according to EN 312). It has proved to be advantageous, in particular with regard to the use of a laser, that the flat-pressed plate contains polyurethane and / or PMDI as binder.
  • the invention provides a method for producing the above-described outer lining of buildings according to claim 7.
  • This method is characterized by the use of a laser for creating the at least one separating edge on the planar base body, so that the advantages discussed above can be achieved.
  • the laser is operated with a power consumption in the range from 2,000 W to 5,000 W, preferably in the range from 3,000 W to 4,000 W, to destroy it heavily or make it visually unsightly.
  • the type and operation of the laser are not particularly limited within the scope of the invention. However, it has proven to be advantageous and particularly effective for obtaining and forming the superficial charring of the separating edge that the laser cut is carried out by laser beam sublimation cutting.
  • the laser cut is carried out without prior piercing, since this results in particularly uniform properties, in particular a particularly uniform degree of charring, of the separating edge.
  • the inventors have found that particularly uniform and permanent charring of the cutting edge results when laser cutting is carried out at a feed rate in the range of 4 to 8 m / min, preferably in the range of 5 to 7 m / min.
  • the outer cladding according to the invention or the outer cladding produced by the method according to the invention is particularly well suited as a facade, due to their excellent durability and resistance, even against fire and fungus, and their attractive appearance.
  • FIG Fig. 1 and Fig. 2 schematically shown in a perspective view and a sectional view.
  • the plate 1 shown here is a facade panel, although the present invention is not limited thereto and the plate can also be arranged for other purposes in the exterior of buildings, for example, for decorative purposes.
  • the plate 1 in the context of the invention can take a variety of geometric shapes, for example, star-shaped, heart-shaped or the like.
  • the plate 1 does not necessarily have to be arranged on an existing wall, but also itself at least partially define an outer wall of a building.
  • the plate 1 initially has a two-dimensional body 2, which is formed in the present embodiment by a flat-pressed plate according to EN 312, wherein the plate contains polyurethane as a binder in the present embodiment. Alternatively or additionally, however, it is also possible to use other binders, in particular PMDI.
  • the base body 2 contains a fire retardant, in the present embodiment, a fire retardant of the type "Fire Fighting Composition" Fa. Cosmetic & Chemical Products GmbH, 04539 Groitzsch, in a concentration of 0.3% by weight.
  • the base body 2 is limited in the present embodiment by four separating edges 4, wherein each separating edge 4 has a charred surface layer which has been produced by a laser treatment, as will be explained in more detail below.
  • the wide surface of the main body 2 (which in Fig. 2 upwardly facing surface of the main body 2) is provided with a flat cover layer 6 in order to protect the main body 2 from the effects of weathering.
  • the cover layer 6 can be formed by a wide variety of materials, it is formed in the present embodiment by a primer on the surface then a color, for example of the type Perlcolor of Böhme AG, CH-3097 Liebefeld was applied. In this case, a flame retardant was added to the paint, in the present embodiment, a fire retardant of the type "Fire Fighting Composition" Fa. Cosmetic & Chemical Products GmbH, 04539 Groitzsch, in a concentration of 0.3% by weight.
  • the surface of the base body 2 which is opposite the surface coated with the flat covering layer 6 may likewise be provided with such a flat covering layer, is in the present case Embodiment, however, only hydrophobic because it is usually exposed to less weather.
  • the base body 2 perpendicular to its planar extension on a plurality of through holes 8, which are bounded by an inner separation edge 10, wherein this inner separation edge has a charred surface layer.
  • This charred surface layer is also formed by a laser processing, as will be explained in more detail below.
  • the passage openings 8 can be used in the present embodiment, for example, as mounting holes for passing screws or dowels, which is ensured by the charred surface layer that occurs even at these locations no premature confirmation of the plate 1 by weathering.
  • both the separation edges 4 and the inner separation edges 10 are each provided with a cover layer 12, which is carried out in the present embodiment is similar to the flat cover layer described above. In this way, not only an attractive appearance, but also an excellent durability and good fire behavior of the plate 1 according to the invention results.
  • the production of the plate 1 according to the invention takes place, for example, as follows.
  • the two-dimensional body 2 is separated from a corresponding starting material (here flat press plate with fire retardant), by a laser cut along the separating edges 4 is performed.
  • the laser beam is directed essentially parallel to the respective separating edge 4.
  • a laser is used which has a power consumption of 3,500 W is operated and performs the laser cut by Laserstrahlsublimiernote without prior grooving.
  • the laser is moved continuously along the respective separating edge 4, in the present embodiment at a feed rate of about 6 m / min.
  • the laser treatment not only performs a separating cut, but at the same time forms a charred surface layer at the respective separating edge 4.
  • passage openings 8 are introduced into the planar base body 2, either before or after creation of the separating edges 4.
  • the base body 2 is provided with a flat cover layer 6, 12, on the in Fig. 2 upwardly directed wide area and in the region of the separating edges 4 and the passage openings 8. in this way one obtains the in Fig. 1 and Fig. 2 shown embodiment of the plate according to the invention.
  • FIG Fig. 3 A plate 1 as a second embodiment of the present invention is shown in FIG Fig. 3 shown schematically in a partial view.
  • plate 1 is characterized in that it has a plurality of through holes 8, which are introduced in the present embodiment with a variety of geometries and a large area in the base body 2.
  • the production and coating of the passage openings 8 corresponds to those in the first embodiment.
  • the passage openings 8 are provided in the present, second embodiment over a large area, so that in the present embodiment, about 40% of the surface of the base body 2 are taken in the plane of its planar extension through the through holes.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Finishing Walls (AREA)

Claims (11)

  1. Revêtement extérieur d'ouvrages, en particulier des façades, comportant un panneau (1) à disposer dans la zone extérieure de l'ouvrage, en particulier un panneau de façade, comportant
    un corps de base (2) plan, qui est constitué au moins partiellement en bois ou dans un matériau à base de bois, en particulier dans un matériau à fibres de bois, ledit corps de base (2) comportant au moins un bord de séparation (4), le long duquel il a été séparé du matériau initial, et
    au moins une couche de recouvrement (6) plane, qui est prévue sur au moins une surface du corps de base (2) pour protéger le corps de base (2) contre les intempéries,
    caractérisé en ce que
    le corps de base est séparé du matériau initial par une découpe laser et, de ce fait, ledit au moins un bord de séparation (4) comporte, au moins par zones, une surface carbonisée.
  2. Revêtement extérieur selon la revendication 1, caractérisé en ce que le corps de base (2) comporte, perpendiculairement à son extension plane, au moins un orifice de passage (8) qui est délimité par un bord de séparation intérieur (10), qui a été réalisé par une découpe laser et, de ce fait, comporte au moins par zones une surface carbonisée.
  3. Revêtement extérieur selon la revendication 2, caractérisé en ce que le corps de base comporte une pluralité d'orifices de passage (8), lesdits orifices de passage (8) occupant une surface d'au moins 10 %, de préférence d'au moins 20 %, encore mieux d'au moins 30 % de la surface du corps de base (2) dans le plan de son extension plane.
  4. Revêtement extérieur selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit au moins un bord de séparation (4) et/ou ledit au moins un bord de séparation intérieur (10) comportent au moins une couche de recouvrement (12) qui, de préférence, est réalisée de manière identique à ladite au moins une couche de recouvrement (6) plane.
  5. Revêtement extérieur selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps de base (2) comporte un moyen de protection contre l'incendie, et/ou en ce que ladite au moins une couche de recouvrement (6, 12) comporte un moyen de protection contre les flammes.
  6. Revêtement extérieur selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps de base (2) est formé par un panneau pressé à plat, qui contient, de préférence, du polyuréthanne et/ou du PMDI en tant que liant.
  7. Procédé permettant la réalisation d'un revêtement extérieur d'ouvrages, en particulier de façades, comportant les étapes de :
    séparation d'un corps de base (2) plan dans un matériau initial, qui est constitué au moins partiellement en bois ou dans un matériau à base de bois ou dans un matériau à fibres de bois, le long d'au moins un bord de séparation (4),
    application d'au moins une couche de recouvrement (6, 12) plane sur au moins une surface du corps de base pour protéger le corps de base (2) contre les intempéries, et
    disposition du corps de base (2) dans la zone extérieure d'un ouvrage,
    caractérisé en ce que
    la séparation est effectuée au moyen d'une découpe laser, moyennant quoi le bord de séparation comporte, au moins par zones, une surface carbonisée.
  8. Procédé selon la revendication 7, caractérisé en ce que le laser est utilisé avec une puissance absorbée dans la plage de 2000 W à 5000 W, de préférence dans la plage de 3000 W à 4000 W.
  9. Procédé selon la revendication 7 ou 8, caractérisé en ce que la découpe laser est réalisée par une découpe laser par sublimation.
  10. Procédé selon l'une quelconque des revendications 7 à 9, caractérisé en ce que la découpe laser est effectuée sans perçage préalable.
  11. Procédé selon l'une quelconque des revendications 7 à 10, caractérisé en ce que la découpe laser est effectuée avec une vitesse d'avance dans la plage de 4 à 8 m/min, de préférence dans la plage de 5 à 7 m/min.
EP07017353.9A 2007-09-05 2007-09-05 Revêtement extérieur et son procédé de fabrication Active EP2033752B8 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07017353.9A EP2033752B8 (fr) 2007-09-05 2007-09-05 Revêtement extérieur et son procédé de fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07017353.9A EP2033752B8 (fr) 2007-09-05 2007-09-05 Revêtement extérieur et son procédé de fabrication

Publications (3)

Publication Number Publication Date
EP2033752A1 EP2033752A1 (fr) 2009-03-11
EP2033752B1 true EP2033752B1 (fr) 2015-10-28
EP2033752B8 EP2033752B8 (fr) 2015-12-16

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Application Number Title Priority Date Filing Date
EP07017353.9A Active EP2033752B8 (fr) 2007-09-05 2007-09-05 Revêtement extérieur et son procédé de fabrication

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EP (1) EP2033752B8 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008006889U1 (de) 2008-05-21 2009-10-15 Brühwiler, Markus Wärmedämmelement
DE102014013891A1 (de) * 2014-09-18 2016-03-24 Sebastian Sasserath Verfahren zur Herstellung einer Holzwerkstoffoberfläche

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170668A (en) * 1978-09-15 1979-10-09 The United States Of America As Represented By The Secretary Of The Interior Method for wood precharring
DE3806692A1 (de) 1988-03-02 1989-09-14 Burkhard Ehrecke Verfahren zur herstellung eines eine durchbrochene struktur aufweisenden flaechigen bauelementes
DE4002039A1 (de) 1990-01-24 1991-07-25 Pelz Ernst Erpe Vertrieb Verfahren zum materialabhebenden bearbeiten von holzwerkstuecken sowie danach hergestelltes holzwerkstueck
JPH05253906A (ja) 1992-03-10 1993-10-05 Taisei Corp レーザによる木質系材料の焼き板とその製造方法
DE19745706B4 (de) 1997-10-16 2005-06-02 Technische Universität Dresden Verfahren zur Herstellung eines Bauteils aus Holz

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Publication number Publication date
EP2033752A1 (fr) 2009-03-11
EP2033752B8 (fr) 2015-12-16

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