Machine for making bags
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 12, 2011
Grant Date -
Mar 27, 2008
app pub date -
Sep 7, 2006
filing date -
Sep 7, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A machine for making bags from sheet material of indeterminate length, especially thermoplastic material, has a pair of spaced folders of special construction for folding the material lengthwise. The entry end of the machine can be adjusted as to height. An applicator for adhesive tape can be positioned between the folders. A special construction thermowelds the folded layers together along transverse lines and severs or perforates them along those lines.
First Claim
Family
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Cited Art Landscape
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