System for separating corrugated fiberboard
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United States of America Patent
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-
Apr 16, 1996
Grant Date -
N/A
app pub date -
Oct 25, 1994
filing date -
Oct 25, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved system for separating a corrugated fiberboard panel along a separation line is disclosed. A corrugated fiberboard panel has an inner liner and an outer liner with a corrugated medium sandwiched therebetween. At least two spaced-apart strings are located in the panel beneath the outer liner. The strings are located on opposite sides of a separation line defined on the panel. A pull tab is located in the outer liner, and is connected to at least one of the strings such that when the pull tab is pulled away from said panel and transverse to the separation line at least one of the strings cuts through at least a portion of the panel, and at least one of the other strings acts as a guide to define the location of the cut. The system is economical to produce and is readily incorporated in the corrugated fiberboard during its manufacture. It is also a reliable system that is easy to use.
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