Disc cartridge liner

Details Disc cartridge liner Disc cartridge liner

1994-06-28

2000-02-01

Cao, Allen T.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

060210273

ABSTRACT:
A disc cartridge liner, the liner including a thermoplastic fiber entangling body formed by entangling thermoplastic fibers and a cellulose fiber entangling body formed by entangling a regenerated cellulose fiber and a refined cellulose fiber, the thermoplastic fiber entangling body and the cellulose fiber entangling body being heated and pressed to be attached to each other. The refined cellulose fiber forming the cellulose fiber entangling body is contained therein at a rate of not less than 20% by weight, and the refined cellulose fiber has dry strength of not less than 3 g/d. The cellulose fiber entangling body may contain therein a rubber based binder at a rate of not more than 3% by weight. The liner, formed by heating and pressing the thermoplastic fiber entangling body and the cellulose fiber entangling body to be attached to each other, has high strength, dimensional stability, frictional stability and wipe-off performance, and exhibits stable and satisfactory cleaning effect.

REFERENCES:
patent: 4812938 (1989-03-01), Rogers et al.
patent: 4998176 (1991-03-01), Takemae et al.
patent: 5060105 (1991-10-01), Howey
patent: 5122919 (1992-06-01), Takemae et al.
patent: 5179487 (1993-01-01), Niitsuma et al.
patent: 5189585 (1993-02-01), Kubo

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