Adhesive label and manufacturing method thereof

Stock material or miscellaneous articles – Layer or component removable to expose adhesive

Patent

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Details

283 81, 428 404, 428 409, 428 411, 428 414, 428 415, 428323, 428329, G09F 302

Patent

active

061175099

ABSTRACT:
A label sheet which is formed by stacking an adhesive layer, an inorganic reinforcement layer, a polyester film layer and a bar-code print layer on a releasable substrate layer in sequence is provided. According to the present invention, a glass frit is added to the adhesive layer of the label sheet, and not to the bar-code print layer, so that problems caused from the glass frit in the bar-code print layer can be eliminated and the adhesive layer itself can fix the shape of the label sheet. In addition, thermal stability at high temperatures is improved by the characteristics of individual layers constituting the label sheet, so that the bar-code is not damaged by a thermal process.

REFERENCES:
patent: 4775786 (1988-10-01), Yamano et al.
patent: 4971858 (1990-11-01), Yamano et al.
patent: 5262470 (1993-11-01), Shimotsuma
patent: 5273798 (1993-12-01), Miner
patent: 5506016 (1996-04-01), Onodera

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