Optical disk cassette

Details Optical disk cassette Optical disk cassette

1981-03-06

1983-04-12

Dixson, Jr., William T.

Special receptacle or package

For body treatment article or material

Bandage, drape or dressing

206309, 206303, 346137, 360135, B65D 8557, B65D 8502, G11B 516, G11B 1700

Patent

active

043795072

ABSTRACT:
A cassette for storing and handling optical disks without touching them, including in particular video disks recorded on both sides, the cassette comprising a plate contained in a plastic envelope. The plate comprises a first cavity in which the disk to be protected is positioned. An additional annular cavity is provided in the bottom surface of the plate. The cover of the envelope comprises a cavity of shape matching that of the additional annular cavity such that the recorded areas of both sides of the disk are protected. Additional conical surfaces bearing one on the other are provided in the cover and plate around the edge of the first cavity. Means for locking the plate in the envelope are also provided.

REFERENCES:
patent: 2785797 (1957-03-01), Rice
patent: 3481656 (1969-12-01), Landers
patent: 3951264 (1976-04-01), Heidecker et al.
patent: 4076119 (1978-02-01), Clarke
patent: 4084694 (1978-04-01), Lainz et al.
patent: 4159827 (1979-07-01), Torrington
patent: 4320833 (1982-03-01), Antoniotti et al.

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