Ink and multistrike ribbons incorporating the same

Details Ink and multistrike ribbons incorporating the same Ink and multistrike ribbons incorporating the same

1989-05-15

1992-04-14

Schwartz, Pamela R.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

400241, 4002411, 4002412, 428156, 428167, 428195, 428207, 428246, 428290, 4283044, 4283213, 428327, 428334, 428335, 428341, 428401, 428480, 428914, B41M 5025

Patent

active

051047179

ABSTRACT:
A ribbon ink has a viscosity that increases with increasing rate of shear for rates of shear greater then a predetermined value. A printer ribbon for use with an impact printer comprises a substrate containing ink having a viscosity that increases with increasing rate of shear for rates of shear greater then a predetermined value.

REFERENCES:
patent: 3845712 (1974-11-01), Lewicki, Jr.
patent: 4066014 (1978-01-01), Van Haaften
patent: 4164423 (1979-08-01), Schumacher et al.
patent: 4251276 (1981-02-01), Ferree, Jr. et al.
Copy of International Search Report. Dated 8/23/90.
English abstracts of Japanese Publication Nos. 59-209190, 59-198182, 63-170481.

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