Two-piece flat top container

Details Two-piece flat top container Two-piece flat top container

1988-07-28

1989-06-27

Elkins, Gary

Envelopes, wrappers, and paperboard boxes

Paperboard box

Including tearing or breaking means for opening a nonunitary...

206620, 206621, 206623, 206628, 22912533, B65D 554

Patent

active

048421880

ABSTRACT:
A flat top, thermoplastic coated, paperboard container including a separate cover panel and fold-out segments having weakened lines formed thereon such that the top may be using the fold-out segments as lift tabs and breaking the weakened lines at the front and progressively breaking the weakened lines along the sides upon peeling back and fold-out segments and the cover panel, to provide access to the contents. Provisions are included for protecting the weakened lines to prevent leakage.

REFERENCES:
patent: 2474523 (1949-06-01), Guyer
patent: 2758775 (1956-08-01), Moore
patent: 3162100 (1964-12-01), Rein et al.
patent: 3562579 (1951-07-01), Ringler
patent: 3958747 (1976-05-01), Chipp et al.
patent: 4397415 (1983-08-01), Lisiecki
patent: 4702407 (1987-10-01), Lisieki
patent: 4801080 (1989-01-01), Spengler

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