Cassette case

Details Cassette case Cassette case

1980-05-20

1982-11-09

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242197, G03B 104, G11B 1532

Patent

active

043580718

ABSTRACT:
A tape cassette formed from a cassette body having sections thereof which are adapted to be contacted by a tape and which have a surface roughness within the range of about 3 to 15 microns. In the production of such a cassette, those sections of the case which are adapted to be contacted by the tape are honed to provide a surface roughness within the specified micron range.

REFERENCES:
patent: 2034182 (1936-03-01), Harris
patent: 2134997 (1938-11-01), Blandi
patent: 2973159 (1961-02-01), Kulka
patent: 3099414 (1963-07-01), Kulka
patent: 3495787 (1970-02-01), Wallace
patent: 4078657 (1978-03-01), Schurman
patent: 4101096 (1978-07-01), Oishi et al.

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