E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
E04C 2/04 (2006.01) B28B 11/12 (2006.01) B28B 19/00 (2006.01) B28B 1/08 (2006.01)
Patent
CA 2449852
The invention concerns a method for making a board based on a binder such as gypsum plaster, cement or the like; it comprises steps which consist in: a) mixing a composition designed to form the board body with water; b) depositing the mixture on a moving support, which is continuously driven by a belt conveyor, said mixture passing through an extruder forming a board, said extruder being subjected to vibrations; c) cutting the resulting board at least lengthwise. The invention also concerns an extruder for implementing said method of the type comprising a transverse extruding die (40) provided with an upper lip and a lower lip (38) which bears on its lower surface at least a vibrator (42). The invention further concerns a board based on a binder such as gypsum plaster, cement or the like, produced by said method and the use of such a board, wherein the binder is cementitious, to form or cover walls, partitions, floors or roofs, inside or outside buildings, such as industrial kitchens, agri-food laboratories, showers, bathrooms, ponds or pools, and/or halls frequently washed with water jet, such as halls of agricultural buildings or of industrial slaughterhouses. Finally the invention concerns the use of such a board, wherein the binder is based on gypsum plaster, to form or cover walls, partitions or the like.
Procédé de fabrication d'une plaque à base de liant tel que plâtre, ciment ou autre: il comprend les étapes consistant à : a) mélanger une composition destinée à former le corps de plaque avec de l'eau; b) déposer le mélange sur un support défilant, lequel est entraîné en continu par un convoyeur à bande, ledit mélange traversant un extrudeur formant une plaque, ledit extrudeur étant soumis à vibrations; c) découper la plaque obtenue au moins à longueur. Extrudeur pour la mise en oeuvre du procédé ci-dessus, du genre comportant une filière (40) transversale d'extrusion munie d'une lèvre supérieure et d'une lèvre inférieure (38) qui porte sur sa face inférieure au moins un vibreur (42). Plaque à base de liant tel que plâtre, ciment ou autre, réalisée par le procédé et utilisation d'une telle plaque, dans laquelle le liant est un liant cimentaire, pour former ou recouvrir des murs, parois, planchers ou toitures, à l'intérieur ou à l'extérieur de bâtiments, tels que des cuisines industrielles, des laboratoires agro-alimentaires, des douches, des salles de bains, des bassins ou des piscines, et/ou des salles fréquemment lavées au jet d'eau, telles que salles de bâtiments agricoles ou de boucheries industrielles; utilisation d'une telle plaque, dans laquelle le liant est à base de plâtre, pour former ou recouvrir des murs, parois ou autres.
Bouscal Patrice
Chantereau Frederic
Derusco Christian
Bpb Plc
Smart & Biggar
LandOfFree
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