G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 23/04 (2006.01) G11B 23/033 (2006.01)
Patent
CA 2060639
ABSTRACT Relatively thin microdisc cassette cases having a generally rectangular parallelpiped shape and adapted to house therewithin a standardized 3.5-inch flexible magnetic disc, include a pair of opposing planar cassette case halves, and detent members for joining these cassette case halves one to another in face-to-face relationship. The detent members include a number of registered male and female detents which are sized and configured to as to be in an interference friction fit with one another. In such a manner, the cassette case halves are securely joined one to another without necessarily employing conventional ultrasonic welding techniques. However, the cassette case halves may nonetheless be separated upon application of a separatory force of sufficient magnitude. Preferably, the cassette case halves, and hence the male and female detent members, are unitarily molded from a polyacetal resin.
Dudzik Thaddeus E.
Fletcher Maribeth
Hughes Patrick M.
Hoechst Celanese Corporation
Smart & Biggar
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