Two-ply cassette album and method of making same

Details Two-ply cassette album and method of making same Two-ply cassette album and method of making same

1985-10-15

1987-02-10

Price, William

Special receptacle or package

For holding a machine readable recording medium

For holding a tape cassette

206472, 493 84, 493901, 493133, 156290, B65D 85672, B31B 164, B32B 3120

Patent

active

046417508

ABSTRACT:
A two-ply, book-style album (10) comprises an inside tray sheet (12) and an outside cover sheet (14). Sheets (12 and 14) are preferably formed of high-density polyethylene, and are thermally heat-sealed together by means of a peripheral seal (34) and spine rules (36). The spine rules (36) include longitudinal grooves (38) formed to a substantial depth into the front surface of the inside tray sheet (12) in order to define living hinges which provide a roundish, less square spine of more pleasing appearance.

REFERENCES:
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patent: 2788041 (1957-04-01), Carver
patent: 3215450 (1965-11-01), Peterson
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patent: 4407410 (1983-10-01), Graetz
patent: 4432827 (1984-02-01), Graetz
patent: 4496048 (1985-01-01), Sykes
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patent: 4555290 (1985-11-01), Graetz

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