Carton bottom sealer

Details Carton bottom sealer Carton bottom sealer

1994-03-21

1996-01-09

Shoap, Allan N.

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

229184, B65D 508

Patent

active

054822041

ABSTRACT:
The bottom of a paperboard container of the type suitable for consumer distribution of liquid foods such as milk and fruit juice includes an embossed concavity to reinforce the bottom against bulging under content fill pressure for improved free-standing stability.

REFERENCES:
patent: 3120335 (1964-02-01), Egleston et al.
patent: 3144192 (1964-08-01), Seline, Jr.
patent: 3163350 (1964-12-01), Zinn
patent: 3285143 (1966-11-01), Baker
patent: 3406892 (1968-10-01), Egleston et al.
patent: 3679123 (1972-07-01), Wood
patent: 3998378 (1976-12-01), Vetten
patent: 4011800 (1977-03-01), Walke
patent: 4558814 (1985-12-01), Ihde
patent: 4991768 (1991-02-01), Kondo
patent: 5029751 (1991-07-01), Detzel
patent: 5222667 (1993-06-01), Fujikawa et al.
patent: 5324250 (1994-06-01), Janson et al.

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