The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 13, 2004
Filed:
Mar. 13, 2002
Applicant:
Inventors:
Tetsuya Inoue, Osaka, JP;
Hiroyuki Daiku, Osaka, JP;
Masanori Tsukahara, Osaka, JP;
Hiroaki Arai, Osaka, JP;
Hidehiko Maehata, Osaka, JP;
Tsuyoshi Kato, Osaka, JP;
Assignee:
Hitachi Zosen Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B03C 7/00 ; B03C 7/04 ; B03C 7/06 ;
U.S. Cl.
CPC ...
B03C 7/00 ; B03C 7/04 ; B03C 7/06 ;
Abstract
A feed tray ( ) for guiding tribo electrified plastic pieces ( ) to a drum electrode ( ) is provided with a vibrator ( ), thereby making it possible to vibrate the plastic pieces ( ) to form a thin uniform layer, and to reliably apply appropriate image force and centrifugal force to the plastic pieces ( ) fed to the drum electrode ( ); thus, the plastic pieces ( ) can be separated according to kind with high precision.