Mandrel for an automatic packaging machine for cardboard box with a latching flip top
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United States of America Patent
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-
Apr 2, 2002
Issued Date -
N/A
app pub date -
Jul 11, 2000
filing date -
Jun 2, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automatic packaging machine for forming and filling a latching flip-top box uses a two part mandrel which are joined by a hinge. One of the two hinged parts has a roller thereon for following a cam track having a quarter turn spiral therein. As the roller follows the spiral causing one hinged part to move through a quarter turn causing the flip-top to fold over and be formed. A somewhat loose tab on the top edge of the bottom of the box is a latch tab which is caught when the flip-top folds over.
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