Method for enhancing the permanence of printed images
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United States of America Patent
Stats
-
Nov 19, 1991
Grant Date -
N/A
app pub date -
Dec 12, 1989
filing date -
Dec 12, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for enhancing the permanence of printed images. A substrate with a heated, fused toner image is passed by a PTFE powder coated roller for selective contact therewith by a pivotable engagement bar. The PTFE particles are adhered only to the desired imprinted areas and not to the non-printed and non-selected areas of the substrate. The powder is dispensed on a selective basis to the surface of the substrate. The invention also includes the method for enhancing the permanence of a printed image on the substrate.
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Family
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Cited Art Landscape
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