Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Anti-stick or adhesion preventing coating
Patent
1991-04-01
1994-03-08
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
With printing or coating of workpiece
Anti-stick or adhesion preventing coating
156167, 15624411, 264255, 264264, 264309, 4272082, 4272084, B29C 3912
Patent
active
052924688
ABSTRACT:
A process for the manufacture of a hot-melt, pressure-sensitive adhesive substance with surfces that are not sticky or self-adhesive, which includes casting such a substance in a mold that has been previously coated with a protective web created by spinning a hot-melt, non-pressure-sensitive adhesive and of protecting the surface of the casting with a similar web. For this purpose, fiberization nozzles are advantageously employed. These protective webs are very resistant and, since they participate in the solidity of the block, they make possible the flexible packaging of adhesives with a low mass mechanical strength.
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patent: 4911956 (1990-03-01), Gabryszewski et al.
patent: 5026450 (1991-06-01), Cucuzza et al.
CECA S.A.
Eastley Brian J.
Silbaugh Jan H.
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