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US 5,700,425 AGranted
Device for the pretreatment of electronic scrap
OwnerAntonio Maria Celiinventor
Life of this patent
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Abstract
A device for the pretreatment of electronic scrap, comprising a scroll cylinder (1) with a worm screw (2) inside it, endowed with inputs and outputs for thermal exchange fluid (13, 8) and electronic scrap to be treated (6, 14); a furnace comprising sucha device, further comprising input (9, 11) and output (23, 24) air barriers; a refrigerator comprising such a device too; as well as a proces for the pretreatment of electronic scrap making use of such a furnace and refrigerator.
Claims4
A device for the pretreatment of electronic scrap, which comprises
- a cooling cylinder (1') and a working cylinder (1), said working cylinder having a worm screw (2) fixed on an inner surface, and input and output ends;
- means (20, 21, 22) for rotating said working cylinder (1) selectively in opposite directions;
- means for inputting (6, 6') and means for removing (14) respectively into and from said working cylinder (1) electronic scrap to be treated, and
- means for inputting (13;
- 25) and means for removing (8) inert gas as thermal exchange fluid respectively into and from said working cylinder (1).
2 more elements
Dependencies are inferred from the claim text.