Disk cartridge with cleaning sheet of non-woven fabric

Details Disk cartridge with cleaning sheet of non-woven fabric Disk cartridge with cleaning sheet of non-woven fabric

1987-04-24

1989-02-07

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record medium

In container

206444, G11B 2303

Patent

active

048035840

ABSTRACT:
A disk cartridge which comprises a cartridge case, a disk rotatably encased in the cartridge case, and a cleaning sheet supported on the inside surface of the cartridge case by welding, the cartridge case being composed of a thermoplastic synthetic resin, and the cleaning sheet being composed of non-woven fabric made mainly of acrylic fibers at least on the disk-facing side of the cleaning sheet and being fixed to the inside surfaces of the cartridge case by ultrasonic or heat welding has distinguished disk-handling characteristics and cartridge case-fixing characteristics.

REFERENCES:
patent: 4263634 (1981-04-01), Chenoweth et al.
patent: 4417291 (1983-11-01), Miklos et al.
patent: 4510546 (1985-04-01), Asami et al.
patent: 4586606 (1986-05-01), Howey
patent: 4610352 (1986-09-01), Howey et al.

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