In-line shear resistant nonwoven textiles comprised of selectively slit and embossed film
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United States of America Patent
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Jun 7, 2016
Grant Date -
May 14, 2015
app pub date -
Jun 18, 2013
filing date -
Jun 18, 2012
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Abstract
A nonwoven industrial textile for conveying in an industrial process, seaming elements and methods of manufacture. The textile comprises at least first and second layers of film. Each layer comprises protrusions separated by land areas and each defining an aperture for a flow path through the layer. For at least one of the layers, the protrusions comprise a first set having first and second ends integral with contiguous land areas, and at least a second set of protrusions each comprising a first end integral with a contiguous land area and an opposing second end having a configuration selected from a detached free end; and a weakened end portion integral with but detachable from a contiguous land area in response to strain. The construction allows for relative movement of the layers during travel over machine components such as rolls, reducing internal strain and risk of delamination.
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