Video disc package

Details Video disc package Video disc package

1983-04-25

1985-02-19

Moy, Joseph Man-Fu

Special receptacle or package

For holding a machine readable recording medium

For holding a grooved phonograph disc

206313, 206444, 360133, 156 735, B65D 8530

Patent

active

044999950

ABSTRACT:
A video disc sleeve comprises a U-shaped enclosure, and a pair of T-shaped side rails which are ultrasonically welded to the enclosure to form the package. The inside surfaces of the T-rails are inclined away from the respective intermediate flange portions to accommodate excess molten plastic during welding to produce clean and uniform welds.

REFERENCES:
patent: 2662277 (1953-12-01), Stone
patent: 3668658 (1972-06-01), Flores et al.
patent: 3860248 (1975-01-01), Hunt et al.
patent: 3949873 (1976-04-01), Platt
patent: 3951264 (1976-04-01), Heidecker et al.
patent: 4068436 (1978-01-01), Sato
patent: 4159768 (1979-07-01), Mannis et al.
patent: 4159827 (1979-07-01), Torrington
patent: 4216895 (1980-08-01), Holmes
patent: 4310371 (1982-01-01), Appoldt et al.
patent: 4316539 (1982-02-01), Torrington
patent: 4377428 (1983-03-01), Toth
patent: 4410921 (1983-10-01), Yamamura

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