Method for fixing a powdered developer deposited on a sheet, and

Details Method for fixing a powdered developer deposited on a sheet, and Method for fixing a powdered developer deposited on a sheet, and

1989-12-05

1991-08-06

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355285, G03G 1520

Patent

active

050381792

ABSTRACT:
The invention relates to a method and an apparatus with which a powdered developer deposited onto a sheet of paper can be fixed. The method comprises moving the sheet in such a manner that its leading edge (BV) comes to face a source (47) integral with a movable support, initially placed in a position of repose, and then, after immobilization of the sheet, displacing the support over a distance (N) less than the length (L) of the sheet, and moving the support to the position of repose while simultaneously displacing the sheet in the same direction, at a speed greater than the speed of the support. The invention is applicable to magnetic printing machines.

REFERENCES:
patent: 3481589 (1969-12-01), Cely et al.
patent: 4034186 (1977-07-01), Bestenreiner et al.
patent: 4140894 (1979-02-01), Katakura et al.
patent: 4161644 (1979-07-01), Yanagawa et al.
patent: 4248520 (1981-02-01), Kurita et al.
patent: 4386840 (1983-06-01), Garthwaite et al.

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