Method and apparatus for mechanically bonding material webs
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United States of America Patent
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Apr 27, 2010
Grant Date -
Jun 21, 2007
app pub date -
Dec 15, 2005
filing date -
Dec 15, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
In a method and apparatus for forming a bonded web comprised at least in part of a polyester, a first material web and a second material web are arranged in opposed relationship with each other at least along those portions of the first and second material webs to be bonded together. At least one of the first and second material webs is comprised at least in part of the polyester. The opposed webs are transported in a machine direction to the nip of a bonding apparatus comprised of a first bonding member and a second bonding member defining the nip therebetween for passage of the opposed first and second material webs therebetween in the machine direction. A shear force is applied to the webs generally in the machine direction at the nip and the webs are mechanically bonded together at the nip while the shear force is applied to webs.
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