Envelopes – wrappers – and paperboard boxes – Paperboard box – End structure
Patent
1985-09-12
1986-11-11
Price, William
Envelopes, wrappers, and paperboard boxes
Paperboard box
End structure
229 45, 493 59, 493109, 493157, 493308, B65D 318
Patent
active
046217630
ABSTRACT:
A paperboard container having a side wall formed from a single blank. A band or zone along one edge of the blank is provided with a plurality score lines each of whose edges are non-parallel to thereby yield a wedge score indentation. The blank is rolled to assume a round or rectangular cross-section tube, and the band is bent inwardly and sealed against a closure disc or panel. By virtue of the wedge shape of the scores, the resultant gathers in the band are substantially confined within the wedge scores to yield a more uniform seal between the inwardly bent band and the closure disc or panel.
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Ancel Richard J.
Elkins Gary E.
International Paper Company
Price William
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