Infrared dryer system for printing presses
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United States of America Patent
Stats
-
Feb 22, 2000
Grant Date -
N/A
app pub date -
Nov 11, 1997
filing date -
Nov 11, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A printing press having a plurality of laterally spaced printing stations is provided with an interstation dryer system, interposed between the printing stations, for effectively drying liquid printing substances, such as inks, coatings, and the like, on a moving printed sheet. The dryer system includes a plurality of infrared elements which are adapted to transmit infrared radiation toward the moving printed sheet to effectuate drying of liquid printing substances thereon and bonding thereto. In order to effectively dry a complete spectrum of ink colors and other liquid printing substances, the infrared elements comprise an alternating and repetitive series of shortwave infrared lamps and mediumwave infrared lamps which generate relatively short wavelength infrared radiation and relatively medium wavelength infrared radiation, respectively.
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