Plastic film tear line forming device
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United States of America Patent
Stats
-
Oct 20, 2015
Grant Date -
Dec 5, 2013
app pub date -
Aug 7, 2012
filing date -
May 31, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A plastic film tear line forming device includes a chassis, at least one vertical driver, a first cutter, and a second cutter. The chassis forms at least one opening adapted to receive a plastic film to feed therethrough. The vertical driver is mounted to the chassis. The first cutter is arranged above the opening of the chassis and is driven by the vertical driver to do a vertical movement. The first cutter has a lower end forming a plurality of first teeth, which defines therebetween first gaps. The second cutter is mounted to the chassis to be located below the opening and has an end forming a plurality of second teeth, which defines therebetween second gaps. When a plastic film is fed into the chassis through the opening, the vertical driver drives the first cutter vertically downward to penetrate through the plastic film.
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