Method for obtaining uniform porosity in printed inherently poro

Details Method for obtaining uniform porosity in printed inherently poro Method for obtaining uniform porosity in printed inherently poro

1977-09-02

1978-09-05

Lusignan, Michael R.

Coating processes

Combined

131 10A, 131 15B, 156291, 427285, 427288, 427395, B32B 714, B44D 500, B44D 512

Patent

active

041121546

ABSTRACT:
A method for obtaining uniform porosity in printed inherently porous cigarette tipping papers from base papers of differing relative porosities, comprising measuring the porosity of the base paper and adjusting the viscosity of the ink used to print the base paper relative to the porosity of the base paper. The viscosity of the ink is progressively increased or decreased relative to decreases or increases respectively in the porosity of the base paper to arrive at a predetermined uniform final porosity in the printed paper.

REFERENCES:
patent: 2980116 (1961-04-01), Schur
patent: 2988088 (1961-06-01), Schur
patent: 3085898 (1963-04-01), Vaurio
patent: 3288628 (1966-11-01), Schur et al.
patent: 3410274 (1968-11-01), Davis
patent: 3410275 (1968-11-01), Tucker
patent: 3441427 (1969-04-01), Skrotronick
patent: 3632384 (1972-01-01), Pastow
patent: 3805800 (1974-04-01), Summers
patent: 3924643 (1975-12-01), Summers
patent: 4035220 (1977-07-01), Hammersmith

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