Developing device for xerographic copying machines

Developing device for xerographic copying machines

Developing a xerographic toner image without the use of carrier beads is carried out by means of an applicator roller which transfers toner from a trough towards the image bearing medium via a scraper element mounted at the exit opening of the trough. An exact regulation of the amount of toner which...

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Hauptverfasser: PALMANS, WILLY JOSEPH, WATERSCHOOT, WILLIAM CONSTANT
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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creator PALMANS, WILLY JOSEPH
WATERSCHOOT, WILLIAM CONSTANT
description Developing a xerographic toner image without the use of carrier beads is carried out by means of an applicator roller which transfers toner from a trough towards the image bearing medium via a scraper element mounted at the exit opening of the trough. An exact regulation of the amount of toner which is transferred in this way may be carried out by providing a DC-voltage between the transfer roller and the scraper.
format Patent
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language eng ; fre ; ger
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subjects CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
title Developing device for xerographic copying machines
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