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.:

US 8905339 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 09, 2014

Filed:

Jul. 09, 2012
Applicants:

Kazuaki Tabata, Kanagawa, JP;

Hiroyuki Moriya, Kanagawa, JP;

Inventors:

Kazuaki Tabata, Kanagawa, JP;

Hiroyuki Moriya, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B02C 4/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a liquid developer-preparing apparatus preparing a liquid developer obtained by dispersing toner particles in a liquid, the apparatus including, a tank that stores a dispersion including a liquid and toner particles, a pulverizing device that pulverizes the toner particles in the dispersion sent from the tank; a liquid-sending route in which the dispersion circulates between the tank and the pulverizing device, a liquid-sending device that is provided to the liquid-sending route and sends the dispersion, a pressure gauge that is provided to the liquid-sending route and measures a liquid-sending pressure of the dispersion, and a determination device that determines whether or not the toner particles in the dispersion have been pulverized to a target volume average particle size.


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