Method of removing foreign materials from magnetic developers

Details Method of removing foreign materials from magnetic developers Method of removing foreign materials from magnetic developers

1980-07-11

1981-05-12

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430122, 430125, 430137, 118603, 118610, 118612, 118652, 118657, 209214, 209219, 355 3DD, G03G 1309, G03G 2100

Patent

active

042672457

ABSTRACT:
A method of removing foreign materials from developers characterized by intermittently supplying a magnetic developer to the peripheral surface of a nonmagnetic sleeve provided with a rotatable magnet roller in its interior, while recovering, at a position a specified distance away from the location of supply of the developer along the sleeve peripheral surface, the forward end portion of a layer of the developer moving along the sleeve peripheral surface in a direction opposite to the direction of rotation of the magnetic roller to thereby remove foreign materials from the magnetic developer.

REFERENCES:
patent: 3455276 (1969-07-01), Anderson
patent: 3856666 (1974-12-01), Yashima
patent: 4102306 (1978-07-01), Ohta
patent: 4121931 (1978-10-01), Nelson

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