Method and apparatus for punching and imaging a continuous web

Printing – Planographic – Lithographic plate making – and processes of making or using...

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Details

101467, 101485, 347248, 347264, G03F 720

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active

058265139

ABSTRACT:
A web is punched with registration holes and imaged prior to cutting the web into individual imaged plates particularly for use as printing plates. The web with an imageable surface is serially punched, imaged and sheeted with the punched holes being utilized to assure registration and alignment in the imaging operation and in the subsequent use of the plates on a printing press. The punching and imaging may be performed at separate stations or at a single punching and imaging station. The web is preferably advanced under tension and tension and/or vacuum may be used to hold the web flat on the imaging platen.

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