Masking film

Details Masking film Masking film

1989-08-24

1991-09-24

Eickholt, Eugene H.

Typewriting machines

With control of 'carbon paper' for typing plural...

Including prevention of full imprint on 'carbon copy'...

400248, B41J 1700

Patent

active

050510134

ABSTRACT:
The present invention relates to an improved system for processing continuous multi-carboned paper stock material in which a plastic overlay material is used to prevent unwanted printings on a face of the material being printed. The overlay material comprises an endless loop of material having sprocket holes along two edges and a plurality of print impression holes. The print impression holes are spaced apart by a distance substantially equal to the pitch of the stock material. The overlay material is advanced together with the stock material during printing.

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patent: 4636099 (1987-06-01), Goldstone

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