REGENERATION TREATMENT APPARATUS, WASHOUT PROCESSOR, AND MANUFACTURING METHOD OF FLEXOGRAPHIC PRINTING PLATE
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Feb 20, 2024
filing date -
Aug 31, 2021
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Abstract
There are provided a regeneration treatment apparatus, a washout processor, and a manufacturing method of a flexographic printing plate in which attachment of a resin aggregate generated as a non-exposed portion of an imagewise exposed flexographic printing plate precursor is removed through development using a washing solution can be suppressed and the resin aggregate can be easily cleaned off even in a case of being attached. The regeneration treatment apparatus removes, from a used washing solution containing the resin aggregate generated as the non-exposed portion of the imagewise exposed flexographic printing plate precursor having a photosensitive resin layer is removed through development using the washing solution of which a main component is water, the resin aggregate. The regeneration treatment apparatus has a centrifuge that has a rotating body for separating out the resin aggregate from the used washing solution and an induction path through which the resin aggregate from the centrifuge passes. A portion in contact with the resin aggregate has a critical surface tension of 31 mN/m or less and a dynamic friction coefficient of 0.2 or less.
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