Envelopes – wrappers – and paperboard boxes – Paperboard box – Separate reinforcing element
Patent
1994-12-22
1995-09-05
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Separate reinforcing element
229919, 229930, 229939, B65D 542
Patent
active
054472709
ABSTRACT:
This invention relates to improvements in the top-to-bottom compressive strength of corrugated fiber containers through the use of a minimum amount of extra fiber. Such structures of this type, generally, employ strip and patch laminations which provide minimal additional fiber and maximal reinforcement in the areas of the corrugated container panels that are under the highest compressive stresses when the containers are subjected to compressive loads.
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Container Corporation of America Handbook, Fibre Box Ass., 1974, p. 22.
Elkins Gary E.
McDaniel J. R.
Schmalz R. L.
Westvaco Corporation
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