Ball pen ink cartridges containing inks which do not form crysta

Details Ball pen ink cartridges containing inks which do not form crysta Ball pen ink cartridges containing inks which do not form crysta

1975-02-19

1978-03-07

Welcome, Joan E.

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

106 23, 106 24, 106 30, 106 31, 106 32, 106 14, 106241, 401216, 401217, B43K 710

Patent

active

040777278

ABSTRACT:
New ball point pen ink compositions are utilized to enhance the performance and very substantially extend the service life of ball pen ink cartridges by preventing the formation of an ink flow-blocking mass at the entrance to the brass or bronze nib or a mass which prevents the movement of the follower plug in a copper alloy cartridge. This is accomplished by dispersing in the ink proper one or more additives effective to prevent oxygen and moisture, which enter the cartridge and pass into the ink, from reacting with the metal constituents of the cartridge assembly to form metallic ions which react with ingredients of the ink proper in the formation of a flow-blocking mass.

REFERENCES:
patent: 3095859 (1963-07-01), Levy
patent: 3520630 (1970-07-01), Gordon et al.
patent: 3659951 (1972-05-01), Germann
Ellis, Printing Inks, Reinhold Publishing Corp., N.Y. 1940 pp. 118-127 relied on.
Kirk-Orthmer, Encyclopedia of Chemical Technology, 2nd Ed, vol. 6, pp. 588-602 relied on.
Ibid, vol. 2 (pp. 317-343 relied on).
Apps, Inks for Minor Printing Processes and Specialized Applications, vol. 3, London, Leonard Hill, 1963 pp. 202-217 relied on.

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