G - Physics – 03 – G
Patent
G - Physics
03
G
32/48, 117/23.1
G03G 5/04 (2006.01) B05C 5/02 (2006.01) G03G 5/05 (2006.01)
Patent
CA 1050830
ABSTRACT OF THE DISCLOSURE Disclosed is a process for the manufacture of a series of photoconductor webs spaced apart from each other on a carrier web by electrically conductive spacing strips extending transversely of the carrier web, comprising (a) transporting a carrier web having an electrically conductive surface disposed thereon in a feeed direction across a backing member and in close proximity to a slot die arranged transversely to the feed direction; (b) pumping a photoconductive coating solution into the slot die; (c) flowing the photoconductive solution inter- mittently from the slot die orifice onto the carrier web for periods of time sufficient to produce the spaced photoconductor webs, the flow of the coating solution being substantially uni- form during each coating period and the entire quantity of coating solution required for each coated photoconductor web being extruded from the slot die orific in the form of a sub- stantially uniform stream; (d) maintaining the distance between the carrier web and the die orifice constant and so small that the coating solution issuing from the die orifice forms a bridge between the orifice of the slot die and the carrier; and (e) drying the coated material. Also disclosed is an apparatus for carrying out the foregoing process.
228725
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