Plastic film punching apparatus
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United States of America Patent
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Apr 3, 2018
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app pub date -
Dec 28, 2015
filing date -
Aug 5, 2015
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Abstract
A plastic film punching apparatus is improved to make a waste removed reliably. In the apparatus, a plastic film is sandwiched between and punched by male and female blades. The female blade has opposite surfaces which are first and second surfaces. The plastic film generates a waste which is pushed by the male blade to protrude from the second surface. A vacuum source and an opening cooperate with each other to suck air through the opening and generate airflow within the tubular cover, the waste being removed by the airflow.
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