Protective jacket for plane magnetic recording medium

Details Protective jacket for plane magnetic recording medium Protective jacket for plane magnetic recording medium

1979-03-13

1981-03-10

Moy, Joseph Man-Fu

Special receptacle or package

For holding a machine readable recording medium

For holding a grooved phonograph disc

206444, B65D 8530, B65D 8557

Patent

active

042548640

ABSTRACT:
A protective jacket for rotatably holding a plane disc magnetic recording medium between buffer sheets bonded on the inner surfaces of a body of the protective jacket in vortex or annular form around a rotary axis of the plane disc magnetic recording medium.

REFERENCES:
patent: 2653120 (1953-09-01), Adler
patent: 3370365 (1968-02-01), Vosbikian
patent: 3864755 (1975-02-01), Hargis

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