Invention Grant
- Patent Title: Method of manufacturing toner
- Patent Title (中): 调色剂的制造方法
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Application No.: US12047460Application Date: 2008-03-13
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Publication No.: US08012662B2Publication Date: 2011-09-06
- Inventor: Tohru Suganuma
- Applicant: Tohru Suganuma
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company Limited
- Current Assignee: Ricoh Company Limited
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2007-066482 20070315
- Main IPC: G03G5/00
- IPC: G03G5/00

Abstract:
A method of manufacturing toner including; melting and kneading a mixture including a binder resin and a coloring agent; cooling down the melted and kneaded mixture to provide a cooled mixture; coarsely pulverizing the cooled mixture to provide a coarsely pulverized mixture; finely pulverizing the coarsely pulverized mixture by supplying it via a pulverized material supply to a pulverizer that includes a rotation axis, a rotor attached to the rotation axis, and stators arranged around the rotor with a gap between the stators and the surface of the rotor and that performs pulverization in a circular space formed by the gap; and classifying the finely pulverized material by a classifier into at least fine powder, a toner product and coarse powder, wherein the coarse powder is returned to the pulverized material supply as part of the coarsely pulverized mixture.
Public/Granted literature
- US20080227021A1 METHOD OF MATNUFACTURING TONER Public/Granted day:2008-09-18
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