Magnetic recording disk cartridge

Details Magnetic recording disk cartridge Magnetic recording disk cartridge

1987-01-14

1987-10-13

Marcus, Stephen

Special receptacle or package

For holding a machine readable recording medium

For holding a grooved phonograph disc

206312, 206444, 360128, B65D 8557

Patent

active

046992685

ABSTRACT:
A magnetic recording disk cartridge is provided with a liner on the inner surface thereof. The liner is formed of unwoven fabric of a textile blend of rayon and polyester, for instance, and is kept in contact with the recording surface of the recording disk under a light pressure to remove dust on the recording surface while the recording disk is rotated. At least a part of the inner part of the liner in contact with the inner part of the recording region of the recording disk is thicker than the outer part in contact with the outer part of the recording region.

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patent: 4375658 (1983-03-01), Martinelli
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patent: 4499516 (1985-02-01), Purdy et al.
patent: 4520470 (1985-05-01), d'Alayer de Costemore d'Arc
patent: 4562504 (1985-12-01), Miklos
patent: 4586606 (1986-05-01), Howey

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