Electrostatic coating apparatus
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United States of America Patent
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Nov 7, 2017
Grant Date -
May 21, 2015
app pub date -
May 15, 2013
filing date -
Jun 6, 2012
priority date (Note) -
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Abstract
A rotary atomizing head (4) is mounted on a front end side of an air motor (3). A shaping air ring (9) with air spout holes (10, 11) formed therein is provided on the rear side of the rotary atomizing head (4). The shaping air ring (9) is formed of a conductive material and is connected to ground. External electrode units (13) are provided in the periphery of the rotary atomizing head (4). A film cover (17) made of an insulating material is provided to cover an outer peripheral side of the air motor (3). A semi conductive member (21) is replaceably mounted to an adaptor (16) provided on an outer peripheral side of the shaping air ring (9). A rear end part (21B) of the semi conductive member (21) is made in contact with a front end part (19D) of the film cover (17). A front end part (21C) of the semi conductive member (21) is made in contact with the shaping air ring (9).
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