Disk cartridge with fuzzed liner

G - Physics – 11 – B

Patent

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Details

G11B 23/03 (2006.01) G11B 23/033 (2006.01) G11B 23/113 (2006.01) G11B 23/50 (2006.01)

Patent

CA 2203004

A disk cartridge (10) comprises a rotatable disk (14) having upper and lower surfaces (14a, 14b) and an outer casing (12) for rotatably housing the disk. The casing comprises upper and lower shells (22, 24). A non-woven fabric liner (e.g., 28) comprising a plurality of bonded fibers is attached to the inner surface of one of the upper and lower shells (e.g., 24). A main body (28a) of the fabric liner lies against the inner surface (24a) of the shell and is spaced a predetermined distance (D) from the corresponding surface of the disk (14b). A region of the fabric liner is subjected to a fuzzing process in which the bonded fibers in that region are loosened to form a region of upstanding fibers (28b) that extend from the main body of the liner to the surface (14b) of the disk to wipe the disk with minimal drag on the disk.

Une cartouche (10) pour disque comprend un disque rotatif (14) présentant une surface supérieure et une surface inférieure (14a, 14b), et un boîtier extérieur (12) dans lequel le disque est logé rotatif. Le boîtier comprend une enveloppe supérieure et une enveloppe inférieure (22, 24). Une doublure en tissu non tissé (par exemple 28), composée d'une pluralité de fibres contrecollées, est attachée à la surface intérieure d'une des enveloppes supérieure ou inférieure (par exemple 24). Un corps principal (28a) de la doublure en tissu s'appuie contre la surface intérieure (24a) de l'enveloppe et est espacé d'une distance prédéterminée (D) de la surface correspondante (14b) du disque. Une zone de la doublure en tissu est traitée de sorte que les fibres contrecollées dans cette région se détachent et forment une région duveteuse de fibres (28b) dressées verticalement qui s'étendent du corps principal de la doublure jusqu'à la surface (14b) du disque afin d'essuyer le disque tout en le frottant au minimum.

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