Method for the production of bags
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United States of America Patent
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Nov 23, 2010
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N/A
app pub date -
Feb 13, 2004
filing date -
Feb 14, 2003
priority date (Note) -
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Abstract
A process for manufacturing a bag from a polymer and/or metal film material provides a bag that has four outer walls connected by four seams and that has a sealed lower end.The bag-forming material is fed in the form of a film web that is wound up on a roll to an unwinding station of a bottom forming device that separates the unwound film web into film segments, connects the film segments, and seals at least one end of the connected segments to form the bag.
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