Lid machine having a differential air pressure assisted blotting

Details Lid machine having a differential air pressure assisted blotting Lid machine having a differential air pressure assisted blotting

1996-04-01

1997-09-09

Grimley, Arthur T.

Electrophotography

Image formation

Development

399227, G03G 2100

Patent

active

056666179

ABSTRACT:
A high differential air pressure assisted blotting device for conditioning, on an image bearing member, liquid developer images consisting of charged toner particles and carrier liquid. The high differential air pressure blotting device includes a movable porous blotter belt forming an endless loop and having an outer surface for contacting and blotting carrier liquid from an image being conditioned, and a backup roller positioned at a first location within the endless loop for contacting a first portion of the blotter belt to gently urge the blotter belt into blotting-contact with the image being conditioned. Importantly, the high differential air pressure blotting device includes a high differential air pressure assembly positioned at a second location spaced from the image being conditioned so as not to disturb the image, and from the first location for contacting a second portion of the blotter belt and applying a high differential air pressure to such second portion to force carrier liquid out of the blotter belt before such second portion recontacts an image being conditioned.

REFERENCES:
patent: 4286039 (1981-08-01), Landa et al.
patent: 4985733 (1991-01-01), Kurotori et al.
patent: 5136334 (1992-08-01), Camis et al.
patent: 5332642 (1994-07-01), Simms et al.
patent: 5352558 (1994-10-01), Simms et al.

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