Closure strips for a sheet or a bag, and a resulting sheet or a bag
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United States of America Patent
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Oct 20, 2009
Grant Date -
Dec 21, 2006
app pub date -
Apr 28, 2006
filing date -
Jun 17, 2005
priority date (Note) -
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Abstract
The present invention relates to a fastener or closure assembly for fitting to a sheet or to the mouth of a packaging bag, and comprising at least one fastener or closure strip formed by a support web and a fastener or closure element carried by the web, the assembly including sequential cuts occupying a fraction of the width of the support web of the strip, outside the fastener or closure element and distributed over the length of the assembly in order to suppress the effects of warping, curving, or curling of the assembly.
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