B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
32/17.2
B05B 5/00 (2006.01) B05B 5/03 (2006.01)
Patent
CA 1269239
Abstract of the Disclosure A powder charging apparatus, in which a plasma electrode pair is disposed within an insulative tubular passage for transporting powder as carried by gas, a device for intermittently applying a D.C. voltage between that pair of plasma electrode is provided to form a space where mainly desired polarity ions drawn from the plasma electrode pair exist and another space where mainly opposite polarity ions exist, well dispersed powder is fed to the former space where mainly the desired polarity ions exist, and thereby stable and strong charging performances can be assured for a long term without adhesion and accumulation of the powder to and on either one of the pair of plasma electrodes; and an electrostatic powder painting apparatus containing this powder charging apparatus therein and having excellent penetrating performance and painting efficiency.
531401
Itoh Tsutomu
Morita Tadao
Nagasaka Hideo
Saitoh Hiroshi
Yamamoto Masahiro
Nagasaka Hideo
Onoda Cement Co. Ltd.
Ridout & Maybee Llp
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