PATTERNED PREHEAT FOR DIGITAL OFFSET PRINTING APPLICATIONS

To reduce power consumption in evaporating a dampening solution.SOLUTION: A thermal printhead (TPH) 34 is positioned to selectively preheat a blanket 12 surface such as an arbitrarily reimageable surface of a variable lithography system. The blanket then immediately passes through a chamber 314 cont...

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Bibliographic Details
Main Authors MOORE STEVEN R, PALGHAT S RAMESH, ALEX S BROUGHAM
Format Patent
LanguageEnglish
Japanese
Published 25.07.2019
Subjects
COLOUR PRINTING
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
PRINTING MACHINES OR PRESSES
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:To reduce power consumption in evaporating a dampening solution.SOLUTION: A thermal printhead (TPH) 34 is positioned to selectively preheat a blanket 12 surface such as an arbitrarily reimageable surface of a variable lithography system. The blanket then immediately passes through a chamber 314 containing dampening solution vapor. The vapor condenses only where the blanket has not been heated, thus developing an image ready for inking.SELECTED DRAWING: Figure 4 【課題】湿し水を蒸発させる電力消費を低減する。【解決手段】サーマルプリントヘッド（ＴＰＨ）３４は、可変リソグラフィシステムの任意に再作像可能な表面などのブランケット１２表面を選択的に予熱するように位置付けられる。次いで、ブランケットは、直ちに湿し溶液蒸気を含有するチャンバ３１４を通過する。ブランケットが加熱されていない場所でのみ蒸気が凝縮し、したがってインク供給の準備ができた画像を現像する。【選択図】図４
Bibliography:Application Number: JP20190001009