Method for simultaneously imprinting a pattern and bonding cellulose webs using ultrasonic energy
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United States of America Patent
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Issued Date -
Jul 17, 2003
app pub date -
Dec 28, 2001
filing date -
Dec 28, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of simultaneously laminating and imprinting a pattern on a web formed substantially from cellulosic material, using at least two plies or layers, and superposing the plies and passing the plies past an ultrasonic bonder and a patterned anvil roll to simultaneously produce either substantially imprinted patterned and bonded areas over the superposed plies or substantially patterned perforations and bonded areas over the superposed plies.
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