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EP0009053B1 - Procédé pour la fabrication de panneaux ou autres éléments en fibres de bois résistant aux intempéries et panneaux ou autres éléments fabriqués selon ce procédé - Google Patents

Procédé pour la fabrication de panneaux ou autres éléments en fibres de bois résistant aux intempéries et panneaux ou autres éléments fabriqués selon ce procédé Download PDF

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Publication number
EP0009053B1
EP0009053B1 EP78100902A EP78100902A EP0009053B1 EP 0009053 B1 EP0009053 B1 EP 0009053B1 EP 78100902 A EP78100902 A EP 78100902A EP 78100902 A EP78100902 A EP 78100902A EP 0009053 B1 EP0009053 B1 EP 0009053B1
Authority
EP
European Patent Office
Prior art keywords
mouldings
weather
panels
pressing
boards
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
Application number
EP78100902A
Other languages
German (de)
English (en)
Other versions
EP0009053A1 (fr
Inventor
Reinhard Hering
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.)
Mane Hering-Mitgau Te Brione Zwitserland En Dr T
Original Assignee
Hering Reinhard
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 Hering Reinhard filed Critical Hering Reinhard
Priority to DE7878100902T priority Critical patent/DE2862199D1/de
Priority to EP78100902A priority patent/EP0009053B1/fr
Priority to CA000337295A priority patent/CA1150465A/fr
Publication of EP0009053A1 publication Critical patent/EP0009053A1/fr
Application granted granted Critical
Publication of EP0009053B1 publication Critical patent/EP0009053B1/fr
Expired legal-status Critical Current

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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
    • E04C2/24—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 laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/246—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 laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 combinations of materials fully covered by E04C2/16 and E04C2/20
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/06—Making particle boards or fibreboards, with preformed covering layers, the particles or fibres being compressed with the layers to a board in one single pressing operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N5/00—Manufacture of non-flat articles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation

Definitions

  • the invention relates to a process for the production of weather-resistant sheets or moldings which consist of wood particles mixed with binders, lignocellulose-containing fibers or other processed raw materials and which are compressed under heat and at the same time sheets or moldings produced by the process.
  • DE-U-1 936 681 describes a weather-resistant lightweight building board, the board being covered with a PVC layer in a second operation, or AT-B-260 509 or DD-A-36 020 a press board, which is coated with a thermosetting resin.
  • a weather-resistant lightweight building board the board being covered with a PVC layer in a second operation, or AT-B-260 509 or DD-A-36 020 a press board, which is coated with a thermosetting resin.
  • AT-B-260 509 or DD-A-36 020 a press board
  • the object of the invention is est, weather-resistant sheets or moldings made of lignocellulosic fibers, wood materials of any kind, such as To create wood chips, wood fibers, etc. or from other processed raw materials that have the best possible moisture resistance, an insoluble and inexpensive surface coating, weather and aging resistance as well as high abrasion, wear and impact resistance and can be produced in a single process step.
  • a top layer of vulcanizable, elastomeric substances such as natural and / or synthetic rubber or the like, is applied to the upper and / or lower side before hot pressing is applied, whereupon the hot pressing takes place while the cover layers are vulcanized at the same time.
  • the weather-resistant sheets or moldings produced in this way are characterized by a permanently elastic cover layer made of elastomeric top layer which is applied to the surface of the chip cake prior to the hot pressing of the wood particles, lignocellulose-containing fibers or otherwise prepared and which is intimately connected to the chip cake and vulcanized during the hot pressing , such as natural and / or synthetic rubber or the like.
  • the permanently elastic cover layer can be colored and / or can have grooves or scars on its outer surface or be patterned in some other way.
  • a reinforcement in the form of a fleece or fabric or the like can also be embedded with particular advantage in the permanently elastic cover layer.
  • the weather-resistant cover layer which is made of an elastomeric material, can be adapted to the given conditions in a variety of ways in the case of any type of panel or molded article made of wood fiber or chip materials.
  • the elastomers can be largely varied by modifying the chemical composition and by the type and amount of any fillers added, especially with regard to elasticity, hardness and abrasion resistance.
  • the tube coating according to the invention e.g. a chipboard primarily has to perform protective functions against destructive weather influences and mechanical damage, the reversible rubber elasticity can be limited in favor of higher surface stability so that - provided they do not have other functions e.g. as a hinge, edge protection, etc.
  • weather-resistant panels or moldings therefore consist of a composite material that can withstand all use-related stresses in the form of simple panels that are already protected on both sides or that are already edge-protected up to ready-to-use wall or roof elements for the building industry or containers or vessels that are pressed, liquids or moist goods in one operation can pick up and transport.
  • the binder condensation and the vulcanization take place primarily under pressure, temperature (approx. 175 ° C) and time, and since the duration or temperature of the vulcanization continues to vary depending on accelerators, fillers and the layer thickness and that for the curing of the Binder can be adjusted to the required values, the vulcanization and vulcanization (the latter possibly including the decreasing residual heat when cooling) of the cover layer on the one hand and the setting of the carrier substances on the other hand can be synchronized to such an extent that both processes can run together and simultaneously.
  • Both material components are simultaneously introduced into the shaping hot-pressing tool in the order that corresponds to the structure of the finished composite material and processed in one and the same manufacturing process to form the final plate-shaped composite material or molded body with a weather-resistant outer layer.
  • Hierbie can use the same machines and systems that are required or already available for the production of conventional chipboard or chipboard moldings.
  • the weather-resistant cover layer can in turn be e.g. decorative, reflective or other effect-causing surface layer or structure are vulcanized or vulcanized in, e.g. Aluminum powder or foil, color pigments, granular material etc. are at the beginning and / or end of the layer structure and are included in the bonding process.
  • the weather-resistant surface can be given a plastic ornamental structure if the pressing tool is designed accordingly.
  • the weather-resistant vulcanization coating according to the invention is of course not only limited to connecting materials with fibrous or chip-shaped carrier materials, it can e.g. can be used equally well for plywood or blockboard and is in principle possible on several external surfaces or only partially.
  • the carrier material 1 is formed from a mainly lignocellulosic chip or fiber layer, which is mixed with a binder.
  • the outer layer or layers 2 consist of a weather-resistant, vulcanizable synthetic rubber mixture which penetrates the chips or fiber material within the facing edge zone 3, with the facing chips or fiber material being firmly anchored to one another in these facing edge zones with the elastomeric cover layer material. The combination of the two substances takes place in a common hot pressing process in which the vulcanization of the cover layer material takes place.
  • FIGS. 5 and 6 show schematic representations of the implementation of the manufacturing method according to the invention 5, for example, one can proceed according to FIG. 5 in such a way that the still unvulcanized rubber mixture 7 and then the fiber and / or chip material 8, mixed with binder, are sprinkled and spread onto a loading pad 10 after the spraying of a release agent 6 in the granulated state this way the so-called chip cake 9 is formed.
  • the chip cake is compacted in the hot press 12 under the action of pressure and heat for a certain time, with simultaneous binder condensation of the fiber and / or chip material 8; Vulcanization of the weather-resistant outer layer 2 takes place and in this way the layers 1 and 2 are mechanically firmly and permanently anchored in one another, so that a solid composite material consisting of the carrier material 1 and the elastomeric, permanently elastic outer layer material 2 is produced practically in a single hot pressing process.
  • the chip cake 9 is first formed on the loading plate 10 and the subsequent outer layer 2 is finally applied as a sheet-like, still unvulcanized rubber mixture 11, whereupon the further processing takes place in the same manner as in the process illustration according to FIG. 5 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Laminated Bodies (AREA)

Claims (4)

1. Procédé pour la fabrication de plaques ou de pièces moulées résistant aux intempéries et composées de fibres lignocellulosiques, de particules de bois ou de matières premières préparées d'une autre façon, additionnées de liants, qui sont comprimées sous l'action de la chaleur, caractérisées en ce que, sur un gâteau de copeaux (9), formé de particules de bois, de fibres lignocellulosiques ou de matières premières préparées d'une autre façon, il est appliqué, avant le pressage à chaud, sur le côté supérieur et/ou sur le côte inférieur, une couche extérieure (2) en élastomère vulcanisable, tel que du caoutchouc naturel ou synthétique ou un produit analogue, le pressage à chaud se faisant en même temps que la vulcanisation des couches extérieures.
2. Plaques ou pièces moulées résistant aux intempéries et composées de fibres ligno- cellulosiqués, de particules de bois ou de matières premières préparées d'une autre façon, additionnées de liants, fabriquées suivant le procédé de la revendication 1 et comprimées sous l'action de la chaleur, caractérisées par une couche extérieure (2) d'élasticité permanente en élastomère tel que du caoutchouc naturel et/ou synthétique ou un produit analogue, appliquée avant le pressage à chaud du gâteau de copeaux sur la surface de celui-ci, et intimement unie à ce gâteau, cette couche étant vulcanisée pendant le pressage à chaud.
3. Plaques ou pièces moulées suivant la revendication 2, caractérisées en ce que la couche extérieure (2) d'élasticité permanente est colorée et/ou munie, sur sa surface extérieure, de rainures ou de nervures ou décorée d'une manière quelconque.
4. Plaques ou pièces moulées suivant la revendication 2, caractérisées en ce que dans la couche extérieure (2) d'élasticité permanente, il est inséré une armature sous forme d'un voile, d'un tissu ou d'une pièce semblable.
EP78100902A 1978-09-15 1978-09-15 Procédé pour la fabrication de panneaux ou autres éléments en fibres de bois résistant aux intempéries et panneaux ou autres éléments fabriqués selon ce procédé Expired EP0009053B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE7878100902T DE2862199D1 (en) 1978-09-15 1978-09-15 Method of manufacture of weatherproof boards or other elements from wood fibre material and boards or elements formed by this method
EP78100902A EP0009053B1 (fr) 1978-09-15 1978-09-15 Procédé pour la fabrication de panneaux ou autres éléments en fibres de bois résistant aux intempéries et panneaux ou autres éléments fabriqués selon ce procédé
CA000337295A CA1150465A (fr) 1978-09-15 1979-09-12 Planches ou moulures a l'epreuve des intemperies, faites de fibres de bois, et methode de fabrication connexe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP78100902A EP0009053B1 (fr) 1978-09-15 1978-09-15 Procédé pour la fabrication de panneaux ou autres éléments en fibres de bois résistant aux intempéries et panneaux ou autres éléments fabriqués selon ce procédé

Publications (2)

Publication Number Publication Date
EP0009053A1 EP0009053A1 (fr) 1980-04-02
EP0009053B1 true EP0009053B1 (fr) 1983-03-09

Family

ID=8185922

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100902A Expired EP0009053B1 (fr) 1978-09-15 1978-09-15 Procédé pour la fabrication de panneaux ou autres éléments en fibres de bois résistant aux intempéries et panneaux ou autres éléments fabriqués selon ce procédé

Country Status (3)

Country Link
EP (1) EP0009053B1 (fr)
CA (1) CA1150465A (fr)
DE (1) DE2862199D1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246541A1 (de) * 1982-12-16 1984-06-20 Reinhard 6911 Campione Hering Verfahren zur herstellung von platten oder formkoerpern
DE3581300D1 (de) * 1984-03-28 1991-02-21 Reinhard Friedrich Hering Verfahren zur elastomerbeschichtung von mineralwerkstoffen und nach diesem verfahren hergestelltes produkt.
GB8516373D0 (en) * 1985-06-28 1985-07-31 Exxon Chemical Patents Inc Upgrading of composites
GB8516480D0 (en) * 1985-06-28 1985-07-31 Exxon Chemical Patents Inc Weather resistant construction elements
DE4100796C2 (de) * 1991-01-12 1995-06-14 Kurt Dipl Ing Karl Leichtbauelement
DE4307522A1 (de) * 1993-03-10 1994-09-15 Ludwig Plack Mehrschichtiges wärmedämmendes und Schwingungen dämpfendes Bauelement und Verfahren zu dessen Herstellung
FR3091496B1 (fr) * 2019-01-03 2021-12-10 De La Chaise Chloe Nappe pour former une étoffe pouvant remplacer le cuir et procédé de fabrication d’une étoffe de ce genre

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967328C (de) * 1942-04-26 1957-10-31 Suedostholz G M B H Metz & Co Verfahren zur Herstellung von Kunstholzplatten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD36020A (fr) *
AT227139B (de) * 1960-12-30 1963-04-25 Oesterr Amerikan Magnesit Verfahren und Vorrichtung zur Kontinuierlichen Herstellung von Holzwolle-Leichtbauplatten mit einer Auflageschicht
AT260509B (de) * 1962-07-12 1968-03-11 Oesterreichische Homogenholz G Verfahren zur Veredelung von mindestens einer Oberfläche von Preßplatten
DE1936681U (de) * 1966-03-03 1966-04-14 Huels Chemische Werke Ag Witterungsbestaendige leichtbauplatte.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967328C (de) * 1942-04-26 1957-10-31 Suedostholz G M B H Metz & Co Verfahren zur Herstellung von Kunstholzplatten

Also Published As

Publication number Publication date
CA1150465A (fr) 1983-07-26
EP0009053A1 (fr) 1980-04-02
DE2862199D1 (en) 1983-04-14

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