Plastic bag making apparatus
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United States of America Patent
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May 30, 2017
Grant Date -
May 12, 2016
app pub date -
Nov 11, 2014
filing date -
Nov 11, 2014
priority date (Note) -
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Abstract
A first body of fastener material is joined to a first web of panel material while a second body of fastener material is joined to a second web of panel material. The first and second bodies of fastener material are interposed between the first and second webs of panel material and aligned with each other after the first and second webs of panel material are superposed with each other. A third body of fastener material is joined to a web of side gusset material to be interposed between the first and second bodies of fastener material after the first and second webs of panel material are superposed with each other, the first and second bodies of fastener material being aligned with the third body of fastener material.
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