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US 12,460,062 B2Granted
Method of removing ink layer from shrink sleeve label
AssigneeFuji Seal International, Inc.
InventorsMasaya Fushida, Akira Miyazaki
Life of this patent
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Abstract
Provided is a method of efficiently removing an ink layer. The method of removing an ink layer from a shrink sleeve label includes preheating the shrink sleeve label including the ink layer, shredding the shrink sleeve label after the preheating to fabricate shrink sleeve label pieces, and removing the ink layer from the shrink sleeve label pieces by alkaline desorption. A temperature of the preheating is the same as a temperature of the alkaline desorption or higher than the temperature of the alkaline desorption.
Claims4
A method of removing an ink layer from a shrink sleeve label, the method comprising:
- preheating the shrink sleeve label including the ink layer;
- shredding the shrink sleeve label after the preheating to fabricate shrink sleeve label pieces;
- and
- removing the ink layer from the shrink sleeve label pieces by alkaline desorption,
- wherein a temperature of the preheating is the same as a temperature of the alkaline desorption or higher than the temperature of the alkaline desorption.
2 more elements
Dependencies are inferred from the claim text.