Method of refurbishing rotogravure cylinders, rotogravure cylinders and their use
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United States of America Patent
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Jan 10, 2017
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app pub date -
Jan 8, 2013
filing date -
Jan 8, 2013
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Abstract
The rotogravure cylinder comprising a rotary gravure base and thereon a copper engraving layer is refurbished to contain a zinc layer between a gravure base and a layer package suitable for engraving and printing. This layer package for instance comprises a metallic support layer, a copper engraving layer and suitably a protection layer. Deposition of the zinc layer may be tuned for thickness variation, in combination with deposition of the layer package in a fixed thickness.
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