Method of molding magnetic tape cassette body half

Details Method of molding magnetic tape cassette body half Method of molding magnetic tape cassette body half

1988-03-25

1990-04-24

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Anti-stick or adhesion preventing coating

264132, 264135, 264153, 264247, 264275, 360132, B29C 4514

Patent

active

049198734

ABSTRACT:
The body of a magnetic tape cassette is formed by injection molding of plastic material or the like, and is provided with a protecting film layer on at least a part of the outer surface thereof. The protecting film layer is bonded to the surface of the cassette body simultaneously with the molding of the cassette body by injecting molding material into a cavity of a plastic injection mold with a protecting film material being inserted into the cavity before injection.

REFERENCES:
patent: 3122598 (1964-02-01), Berger
patent: 4117069 (1978-09-01), Von Holdt
patent: 4545752 (1985-10-01), Hanamoto et al.
patent: 4688128 (1987-08-01), Shiba et al.
patent: 4728477 (1988-03-01), Dromigny
patent: 4794750 (1989-01-01), Schmidt et al.

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