EP2033752A1 - Plaque destinée à être agencée sur une zone extérieure et son procédé de fabrication - Google Patents

Plaque destinée à être agencée sur une zone extérieure et son procédé de fabrication Download PDF

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Publication number
EP2033752A1
EP2033752A1 EP20070017353 EP07017353A EP2033752A1 EP 2033752 A1 EP2033752 A1 EP 2033752A1 EP 20070017353 EP20070017353 EP 20070017353 EP 07017353 A EP07017353 A EP 07017353A EP 2033752 A1 EP2033752 A1 EP 2033752A1
Authority
EP
European Patent Office
Prior art keywords
base body
plate
separating edge
wood
cover layer
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
Application number
EP20070017353
Other languages
German (de)
English (en)
Other versions
EP2033752B1 (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
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
Application filed by Individual filed Critical Individual
Priority to EP07017353.9A priority Critical patent/EP2033752B8/fr
Publication of EP2033752A1 publication Critical patent/EP2033752A1/fr
Publication of EP2033752B1 publication Critical patent/EP2033752B1/fr
Application granted granted Critical
Publication of EP2033752B8 publication Critical patent/EP2033752B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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 a plate for arranging in the outer region of buildings, in particular a 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.
  • 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 at least one separating edge has a charred surface at least in sections. Under a charred surface is to be understood as a surface, as formed 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 using a laser 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 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 plate 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 plate according to the invention or the plate produced by the process according to the invention is particularly well suited as exterior cladding of buildings, in particular as facade panel, because of their excellent durability and resistance, even against fire and fungus, and their appealing 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Finishing Walls (AREA)
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 true EP2033752A1 (fr) 2009-03-11
EP2033752B1 EP2033752B1 (fr) 2015-10-28
EP2033752B8 EP2033752B8 (fr) 2015-12-16

Family

ID=39047920

Family Applications (1)

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EP07017353.9A Active EP2033752B8 (fr) 2007-09-05 2007-09-05 Revêtement extérieur et son procédé de fabrication

Country Status (1)

Country Link
EP (1) EP2033752B8 (fr)

Cited By (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

Citations (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
WO1991011329A1 (fr) 1990-01-24 1991-08-08 Erpe-Ernst Pelz-Vertriebs Gmbh & Co. Kg Procede de traitement de pieces stratifiees avec enlevement de matiere et piece stratifiee fabriquee avec ce procede
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
WO1999020442A1 (fr) 1997-10-16 1999-04-29 Technische Universität Dresden Piece en bois, son procede de production et son utilisation

Patent Citations (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
WO1991011329A1 (fr) 1990-01-24 1991-08-08 Erpe-Ernst Pelz-Vertriebs Gmbh & Co. Kg Procede de traitement de pieces stratifiees avec enlevement de matiere et piece stratifiee fabriquee avec ce procede
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
WO1999020442A1 (fr) 1997-10-16 1999-04-29 Technische Universität Dresden Piece en bois, son procede de production et son utilisation

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Schutz von Holzkonstruktionen", DBZ DEUTSCHE BAUZEITSCHRIFT, 1991
BARCIKOWSKI S ET AL: "Characterisation and modification of the heat affected zone during laser material processing of wood and wood composites", HOLZ ALS ROHUND WERKSTOFF ; EUROPEAN JOURNAL OF WOOD AND WOOD PRODUCTS, SPRINGER-VERLAG, BE, vol. 64, no. 2, 1 April 2006 (2006-04-01), pages 94 - 103, XP019319970, ISSN: 1436-736X *
HUBER H A ET AL: "LASER CUT FURNITURE PARTS", WOODWORKING AND FURNITURE DIGEST, WHEATON, IL, US, 14 November 1980 (1980-11-14), pages 30 - 32, XP000198870, ISSN: 0043-7778 *
RUSKE W: "SCHUTZ VON HOLZKONSTRUKTIONEN", DEUTSCHE BAUZEITSCHRIFT - DBZ, BERTELSMANN FACHVERLAG. GUTERSLOH, DE, vol. 39, no. 8, 1 August 1991 (1991-08-01), pages 1149 - 1151, XP000229795, ISSN: 0011-4782 *

Cited By (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

Also Published As

Publication number Publication date
EP2033752B1 (fr) 2015-10-28
EP2033752B8 (fr) 2015-12-16

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