Apparatus for separating plastic chips

Details Apparatus for separating plastic chips Apparatus for separating plastic chips

2005-06-07

2005-06-07

Walsh, Donald P. (Department: 3653)

Classifying, separating, and assorting solids

Electrostatic

With vibrating trough charging of particles

C209S129000

Reexamination Certificate

active

06903294

ABSTRACT:
A first and second electrostatic sorting sections are arranged below a tribo-electrifying device in this order in a vertical direction to form a sorting electrostatic field between a drum electrode and an opposing electrode. Plastic pieces separated from the other plastic pieces by the sorting electrostatic field in the first electrostatic separating section are introduced into a sorting electrostatic field in the second electrostatic separating section for second separation, thereby increasing the separation purity and recovery rate of plastic pieces.

REFERENCES:
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patent: 6271492 (2001-08-01), Maehata et al.
patent: 6467628 (2002-10-01), Maehata et al.
patent: 57032748 (1982-02-01), None
patent: 08071453 (1996-03-01), None
patent: 08071453 (1996-03-01), None
patent: 2000308837 (2000-11-01), None

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