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.

Date of Patent:
Apr. 03, 2012

Filed:

Jul. 15, 2009
Applicants:

Daisuke Nakazono, Tochigi, JP;

Takashi Wakimoto, Tochigi, JP;

Hiroki Matsunaga, Tochigi, JP;

Kouichi Tanizaki, Tochigi, JP;

Inventors:

Daisuke Nakazono, Tochigi, JP;

Takashi Wakimoto, Tochigi, JP;

Hiroki Matsunaga, Tochigi, JP;

Kouichi Tanizaki, Tochigi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electrostatic painting method is disclosed in which air inside a paint feed channel is expelled when a color for painting is changed. An electrically conductive paint is channeled into a discharge channel of a fluid pathway, and the flow rate of the paint is measured. The fluid pathway is provided, via a paint valve, to a color changing valve mechanism, and communicates with a paint cartridge. The changing valve mechanism is provided in a distant position relative to a painting gun. Electrically conductive paint is channeled through a paint feed channel, which extends from the color changing valve mechanism to the painting gun, and air inside the paint feed channel is expelled. The paint feed channel is then filled with the electrically conductive paint according to the value measured for the flow rate.


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