EXTRUDER FOR MAKING A BOARD BASED ON A BINDER SUCH AS GYPSUM PLASTER

Method for making a board based on a binder comprises: a mixing a composition designed to form the board body with water; b) depositing the mixture on a moving support the mixture passing through an extruder forming a board, the extruder being subjected to vibrations; c) cutting the resulting board...

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Bibliographische Detailangaben
Hauptverfasser:	DERUSCO, CHRISTIAN, BOUSCAL, PATRICE, CHANTEREAU, FREDERIC
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	PERFORMING OPERATIONS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	Method for making a board based on a binder comprises: a mixing a composition designed to form the board body with water; b) depositing the mixture on a moving support the mixture passing through an extruder forming a board, the extruder being subjected to vibrations; c) cutting the resulting board at least lengthwise. The extruder comprises 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 produced by the method and the use of such board, wherein the binder is cementitious, or based on gypsum plaster.