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US 8,910,794 B2Granted
Method for removing metal pieces from gypsum board wastes
AssigneeTokuyama Corporation
InventorsShingo Hiranaka, Genji Taga
Life of this patent
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Abstract
A method for removing metal pieces contained in gypsum board wastes from the gypsum board wastes by means of a drum magnetic separator, wherein the method comprises the step of dropping cut pieces obtained by cutting the gypsum board wastes at fixed intervals “D” on the drum magnetic separator at a drop height “h”; and the drop height “h” is 0.8 to 3 times the interval “D”.
Claims4
A method for removing metal pieces contained in gypsum board wastes from the gypsum board wastes by means of a drum magnetic separator, wherein
- the method comprises the step of dropping cut pieces obtained by cutting the gypsum board wastes at fixed intervals “D” on the drum magnetic separator at a drop height “h”;
- and the drop height “h” is 0.8 to 3 times the interval “D”.
Dependencies are inferred from the claim text.