Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1991-06-24
1992-06-30
Beck, Shrive
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
427195, 427197, 427202, 427205, 427391, 427411, 428913, 428914, B32B 302
Patent
active
051261863
ABSTRACT:
A method of enhancement of a type impression printed by impact from an ink bearing fabric ribbon which involves applying thermographic powder to the type impression, applying heat to the type impression and thermogaphic powder at a temperature (usually about 100.degree.-150.degree. C./212.degree.-302.degree. F.) and for a time (usually a few seconds) sufficient to melt the thermographic powder, and allowing the melted thermographic powder to cool and adhere to the type impression. Ribbons which may be used in this process include cloth, nylon and similar fabric ribbons but exclude such non-fabric ribbons as film ribbons. Further, the ribbon must be ink bearing and cannot be a ribbon of the type commonly referred to as a "carbon ribbon". The powder may also contain a material capable of imparting an opaque, metallic or pigmented appearance to the enhanced type impression. Products which may be formed by this process include letterheads, sales presentations, greeting cards, announcements, reports, personalized stationery, graphs, charts, labels, certificates, invitations, business cards, menus, and posters.
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Beck Shrive
Owens Terry J.
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