Protective jacket for a disk-shaped recording medium

Details Protective jacket for a disk-shaped recording medium Protective jacket for a disk-shaped recording medium

1986-10-15

1989-01-03

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record medium

In container

206313, G11B 23033, B65D 8557

Patent

active

047961376

ABSTRACT:
In a protective jacket for disk-shaped recording media, for example magnetic films, fixed magnetic disks, grammophone disks or video disks, the fleece covering in the jacket is fastened close to the outer edges of the jacket and close to the contour lines of the openings by means of heat welded points a short distance apart and in the region inbetween at a distance apart which is several times as large. As a result of the cushions thus formed, a more advantageous cleaning effect is achieved.

REFERENCES:
patent: 4254864 (1981-03-01), Mikura
patent: 4263634 (1981-04-01), Chenoweth et al.
patent: 4391669 (1983-07-01), Yamakawa et al.
patent: 4392170 (1983-07-01), Okada
patent: 4414597 (1983-11-01), Cornin
patent: 4451520 (1984-05-01), Tecl et al.
patent: 4466037 (1984-08-01), Yoshida et al.
patent: 4655348 (1987-04-01), Takagi

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