Apparatus and method for manufacturing foamed material

C - Chemistry – Metallurgy – 03 – B

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C03B 19/08 (2006.01) C03C 11/00 (2006.01)

Patent

CA 2245660

An apparatus and method for the preferably continuous manufacture of foamed material (16) using a furnace (14) are provided. A two-part mold mechanism (11) is provided that includes an upper portion (12) and a lower portion (13) that are each endless loops (17, 18) and cooperate with one another to form a closed mold within the furnace (14). The upper and lower portions (12, 13) can each comprise a plurality of transverse mold members that can be easily replaced or exchanged during operation of the apparatus (10). A feed mechanism (15) is provided for introducing material (28) that is to be foamed to the mold mechanism (11) upstream of the furnace (14). Scrapers (32) or the like can be provided downstream of the furnace (14) to aid in separating and supporting foamed material (16) from the mold mechanism (11).

L'invention concerne un appareil et un procédé pour la fabrication en continu de produit alvéolaire (16) à l'aide d'un four (14). Un mécanisme formant moule (11) en deux parties est prévu. Ce mécanisme comprend une partie supérieure (12) et une partie inférieure (13) qui sont chacune un convoyeur circulaire (17, 18) et coopèrent l'une avec l'autre pour former un moule fermé à l'intérieur du four (14). Les parties supérieure et inférieure (12, 13) peuvent comprendre, chacune, une pluralité d'éléments formant des moules transversaux qui peuvent être facilement remplacés ou changés pendant le fonctionnement de l'appareil (10). Un mécanisme d'alimentation (15) est prévu pour introduire du matériau (28) qui doit être expansé dans le mécanisme formant moule (11) en amont du four (14). Des raclettes (32), ou similaires, peuvent être prévues en aval du four (14) pour faciliter la séparation ou le support du produit alvéolaire (16) à la sortie du mécanisme de moule (11).

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