Envelopes – wrappers – and paperboard boxes – Paperboard box – A sidewall includes a folded lateral extension of an...
Patent
1992-01-03
1993-11-16
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
A sidewall includes a folded lateral extension of an...
229918, 229919, B65D 520
Patent
active
052615944
ABSTRACT:
A paperboard container is provided with a plurality of internal vertically extending triangular-shaped columns and on the top edges of the columns there is a design feature which allows the edges to be relieved thereby forming inclined edges to reduce package tearing or product damage. The inclined edge can be provided either when the container is erected by a machine or later by hand depending upon the selected design.
REFERENCES:
patent: 2794585 (1957-06-01), Wagner
patent: 3917156 (1975-11-01), Baudet
patent: 4056223 (1977-11-01), Williams
patent: 4613045 (1986-09-01), Watson
patent: 4905834 (1990-03-01), Mur Gimeno et al.
patent: 5028000 (1991-07-01), Chabot et al.
Brown James M.
Piepho Wallace I.
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