Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength
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United States of America Patent
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Mar 27, 2012
Grant Date -
Feb 24, 2011
app pub date -
Aug 23, 2010
filing date -
Nov 12, 1999
priority date (Note) -
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Abstract
An embossing system for embossing and perforating at least a portion of a web is provided comprising a first embossing roll having embossing elements and at least a second embossing roll having embossing elements, wherein the elements of the first and second embossing rolls define perforate nips for embossing and perforating the web and wherein at least a predominate number of the perforate nips are substantially oriented in the cross-machine direction. Moreover, substantially all of the nips defined by the embossing elements of the first and second embossing rolls can be substantially oriented in the cross-machine direction. Further, the cross-machine embossing elements are at an angle of about 85° to 95° from the machine direction.
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