Photocopying – Contact printing – Light boxes
Patent
1978-02-27
1979-07-10
Hix, L. T.
Photocopying
Contact printing
Light boxes
354324, 355 10, 118203, 118647, 118652, G03D 500, G03G 1510
Patent
active
041605934
ABSTRACT:
Apparatus for applying liquid developer to a latent image-bearing surface and, after image development has been accomplished, for blow-drying the surface. Such apparatus comprises a housing against which the support material is clamped. The housing has a chamber that is open to the support material and which may be selectively interconnected to a source of air under pressure and to a reservoir containing development liquid. When connected with the reservoir of development liquid, a flow defining surface is positioned adjacent to the image-bearing material to form a flow passage for the liquid over the material. An electric potential may be applied to the flow defining surface to provide a development electrode. After development, drying air is introduced into the chamber to remove, squeegie and carry away any fluid remaining on the surface of the support material. Means are provided to wipe the flow defining surface clean of development liquid and to remove that surface from exposure to the drying air. After drying, a member which forms a restricted-flow air passage across the support material is drawn over a surface to wipe such member clean of any extraneous developer components.
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Eastman Kodak Company
Hix L. T,.
Kurz Warren W.
Mathews Alan
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