Cutting unit for a packaging machine in extendable film
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United States of America Patent
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Jun 29, 2021
Grant Date -
Apr 22, 2021
app pub date -
Mar 22, 2018
filing date -
Mar 30, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cutting unit in a packaging machine for separating a series of finished packages containing a predetermined number of products from a continuous packaging or bundle advancing on a conveyor, comprising a frame, which supports a pair of side cutting blades and a pair of upper cutting and lower cutting blades arranged facing four sides of the continuous bundle, wherein the two pairs of blades can be alternately moved forward and backward between a rest position separated from the continuous bundle, and an engagement position on the continuous bundle containing groups of the products arranged on two flanked rows and wrapped in a film of extendable plastic material, each pair of blades being driven in an alternating forward and backward movement for engagement with and disengagement from the continuous bundle by a double crank actuated by a single motor.
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