Corrugated cardboard boxes with increased compression strength
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United States of America Patent
Stats
-
Feb 4, 1992
Grant Date -
N/A
app pub date -
May 3, 1991
filing date -
May 3, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To increase the compression strength of a corrugated cardboard box, the horizontal edges of the box are perforated and the vertical edges are chemically treated. Surprisingly, the combination of mechanical and chemical treatments increases the compression strength more than the figure obtained by adding the percentage strength increases attributable to the individual treatments.
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Family
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Cited Art Landscape
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