Plastic case and method for making the same

Special receptacle or package – With indicia or area modified for indicia

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2063871, B65D 85575

Patent

active

054050081

ABSTRACT:
In making a plastic case from a molten plastic material, a molten sheet of the material is passed through a nip of a pair of molding cylinders to form a sheet of desired thickness which in turn cut into blanks. A half tone indication is formed by using a cylinder having an indication-forming part which is comprised of a mat surface and a number of elongated projections having a glossy top surface. Half tone is obtained by this simple process.

REFERENCES:
patent: 4479579 (1984-10-01), Miklos
patent: 4555021 (1985-11-01), Fujii
patent: 4789058 (1988-12-01), Blaney
patent: 4796753 (1989-01-01), Fujii
patent: 5097952 (1992-03-01), Katagiri
patent: 5103978 (1992-04-01), Secor

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