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:
Aug. 07, 2001
Filed:
Jul. 27, 2000
Hidehiko Maehata, Osaka, JP;
Tetsuya Inoue, Osaka, JP;
Masanori Tsukahara, Osaka, JP;
Daisuke Tamakoshi, Osaka, JP;
Hitachi Zosen Corporation, , JP;
Abstract
A frictional charging device (,) for charging crushed chips (,) of a plurality of kinds of plastics by stirring them. A stirring vessel (,) has a friction assisting material (,) put therein, the particles of the friction assisting material (,) being so formed that they are larger than the plastic chips (,). A delivery port (,) formed in one end of the stirring vessel (,) is provided with a plurality of delivery area wires (,) arranged at predetermined intervals and parallel to each other. The spacing between adjacent delivery area wires (,) is set larger than the plastic chips (,) and smaller than the particles of the friction assisting material (,).