Title:
DEVICE FOR TRIBOELECTRIFYING PLASTIC, AND PLASTIC SORTING APPARATUS USING THE SAME
Document Type and Number:
Japanese Patent JP3929236
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a device for triboelectrifying plastic by which several kinds of crushed plastic chips can be triboelectrified with sufficient charge quantity and then can precisely be separated, and to provide a plastic sorting apparatus using the device.
SOLUTION: The device for triboelectrifying several kinds of the crushed plastic chips is provided with a casing 22 arranged in the horizontal direction and having a supply part 21 for the plastic chips, which is formed on the upstream side, and a discharge part 23 of the plastic chips, which is formed on the downstream side, and a rotary screw 27 stirring, which is arranged freely rotatably in the casing 22 and triboelectrifies the plastic chips by stirring. The casing 22 is formed of a tubular body whose cross section of inside wall is regular hexahedron.
Inventors:
Tetsuya Inoue
Hidehiko Maebata
Daisuke Tamakoshi
Shogo Hamada
Hidehiko Maebata
Daisuke Tamakoshi
Shogo Hamada
Application Number:
JP2000256566A
Publication Date:
June 13, 2007
Filing Date:
August 28, 2000
Export Citation:
Assignee:
Hitachi Zosen Corporation
International Classes:
B03C7/02; B03C7/00; B03C7/06; B29B17/02; (IPC1-7): B03C7/02; B03C7/06; B29B17/02
Domestic Patent References:
| JP7276364A | ||||
| JP2000061356A |
Attorney, Agent or Firm:
Yoshihiro Morimoto