Printing – Antismut device – Drying with fluid or by heating
Reexamination Certificate
2005-12-13
2005-12-13
Chau, Minh (Department: 2854)
Printing
Antismut device
Drying with fluid or by heating
C101S487000, C101S488000
Reexamination Certificate
active
06973874
ABSTRACT:
A zoned UV curing system for drying UV inks and coatings in printing presses. A plurality of linear UV lamps are spaced apart laterally across the travel path of substrates in a press. The axis of each lamp is aligned generally with the travel path, but may be slanted slightly so that every point on the travel path passes directly under at least one lamp. Power supply and control means allow selection of which lamps are powered, so that unneeded lamps may be turned off to save power. The power level of each lamp is variable. One transverse UV lamp may be placed upstream to initiate curing before substrates pass the zoned system. An IR heater may be placed upstream to preheat UV ink and coatings to enhance curing and to smooth coatings.
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Cunningham Dan
DeMoore Howard W.
Secor Howard C.
Chau Minh
Conley & Rose, P.C.
Printing Research, Inc.
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