Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1982-04-15
1984-01-24
Lawrence, Evan K.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430122, G03G 1308, G03G 1309
Patent
active
044277563
ABSTRACT:
A crossmixing method for ensuring adequate mixing of a developer in an electrostatic printing machine. The method utilizes a screw conveyor having a left-hand thread on one portion thereof and a right-hand thread on another portion thereof, to move developer material from the end of the screw conveyor toward the middle thereof. Material is discharged from the screw conveyor into the sump of the machine in a direction generally toward the opposite end of the screw conveyor from where it originated. Developer material is moved from the sump upwardly onto a plate assembly which includes angled separators for guiding the developer particles and shifting them in opposite lengthwise senses on opposite halves of the plate assembly. From the plate assembly, the developer material moves in a curtain downwardly into the sump.
REFERENCES:
patent: 3943887 (1976-03-01), Smith
patent: 4075977 (1978-02-01), Williams
Mayer Edward F.
Pfeuffer Donald F.
Lawrence Evan K.
Ricoh & Company, Ltd.
Scobey Robert
Shoup Guy W.
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