Coating processes – Transfer or copy sheet making – Reactive components
Patent
1975-05-30
1979-04-17
Pianalto, Bernard D.
Coating processes
Transfer or copy sheet making
Reactive components
427153, 427248B, 427276, 427288, 428307, B41M 312, B41M 500
Patent
active
041501748
ABSTRACT:
Improved pressure marking fibrous record material such as paper is provided wherein the rear surface is in contact with a profusion of liquid droplets of marking material such as ink. The fibers of the paper are vapor treated to render them repellent to the liquid marking material without substantially reducing the porosity of the sheet. Upon application of patterned marking pressure to the paper, the ink droplets are forced through the sheet to form a visible image of the pattern on the top surface. The repellent treatment reduces lateral flow of the ink in the sheet and improves image definition.
REFERENCES:
patent: 2412470 (1946-12-01), Norton
patent: 3110386 (1963-11-01), Raines
Webster, 1966, p. 809.
Dennison Manufacturing Company
Hudson Kenneth D.
Pianalto Bernard D.
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