Ink supply construction and printing method for drop-on-demand i

Details Ink supply construction and printing method for drop-on-demand i Ink supply construction and printing method for drop-on-demand i

1989-08-25

1990-05-29

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

222187, 521 52, 346 11, B41J 2175

Patent

active

049299697

ABSTRACT:
A process and apparatus for drop-on-demand ink jet printing utilize the steps of: selectively ejecting ink drops from drop ejection regions through related orifices; feeding ink through capillary feed passages to the drop ejection regions to replace ejected ink drops; and supplying ink to said capillary passages from an innately reticulate foam structure comprising a network of fine, mutually-connected, three-dimensionally branched filaments.

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