Electrostatic coating cable maintenance device
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United States of America Patent
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Aug 9, 2016
Grant Date -
Jan 29, 2015
app pub date -
Feb 18, 2013
filing date -
Feb 20, 2012
priority date (Note) -
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Abstract
A time period required for replacement work of a divided cable is shortened. An electrostatic coating cable (6) includes a power supply line (12) that supplies power to a high voltage generator (2), a signal line (14) that controls the high voltage generator (2), and a ground line (16). The power supply line (12) and the ground line (16) are connected by a first inspection line (18), the signal line (14) and the ground wire (16) are connected by a second inspection line (20), a first diode (22) is interposed in the first inspection line (18), and a second diode (24) is interposed in the second inspection line (20). The first and the second diodes (22) and (24) inhibit a current from flowing through the first and the second inspection lines (18) and (20) during an operation of the electrostatic coater (1). The first and the second inspection lines (18) and (20) and the first and the second diodes (22) and (24) are contained in a cable connecting section (8) that connects divided cables (10) adjacent to each other. During stoppage of the electrostatic coater (1), a voltage for inspection is applied to the ground line (16).
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