Electricity: electrical systems and devices – Electric charging of objects or materials – Particulate matter
Patent
1978-04-04
1980-08-26
Moose, Jr., Harry E.
Electricity: electrical systems and devices
Electric charging of objects or materials
Particulate matter
239704, B05B 502
Patent
active
042198640
ABSTRACT:
A device for moistening and discharging electrically insulating objects, comprises, an atomizer for atomizing a liquid, such as water, into a spray and for directing the spray through a path and onto the object. The spray is directed through a path which is provided with an electrode charger or a group of chargers arranged in a pattern for charging the spray particles with a charge opposite to the object so that when they contact the object, they discharge the object as well as moisten it. The device is usable in the printing industry by passing a paper web which has been either previously printed or will be printed through a path after it has been charged with a charge, such as a positive charge, and then directing a spray onto the web after the spray moves through a series of electrodes to impart an opposite charge to the spray particles from that of the paper, so that the particles both moisten the paper and discharge the charge therefrom when they are directed thereto. The apparatus advantageously includes a spray nozzle for spraying water using an air source and for directing the spray which is formed through a tubular element having a plurality of sharp pointed electrodes arranged there to project into the tubular element and provide charges of the particles which pass therethrough.
REFERENCES:
patent: 2221338 (1940-11-01), Wintermute
patent: 2894175 (1959-07-01), Lamm
patent: 3323934 (1967-06-01), Point
patent: 3930614 (1976-01-01), Krenkel
Grunenfelder Hans
Kunzig Hermann
Eltex-Elektronik H. Grunenfelder El. Ing.
Moose Jr. Harry E.
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