Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1990-01-24
1991-07-16
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
206624, B65D 502
Patent
active
050318250
ABSTRACT:
A blank for producing a box with an opening has longitudinal and transverse folding lines to provide a box with a hinged lid. An upper breakable line in the blank allows a strip to be detached and glued to the blank while erecting the box in order to form a flange fixed to an inner border of the box opening. A lower breakable line in the blank keeps the hinged lid closed with a guarantee seal closure.
REFERENCES:
patent: 2881967 (1959-04-01), Ringler
patent: 2951627 (1960-09-01), Wenzel
patent: 3207416 (1965-09-01), Koltz et al.
patent: 3347446 (1967-10-01), Guyer et al.
patent: 4726471 (1988-02-01), Whately et al.
patent: 4913292 (1990-04-01), Field
Cestind S.R.L.
Elkins Gary E.
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