Process and apparatus for stretching a non-woven web of an...

Details Process and apparatus for stretching a non-woven web of an... Process and apparatus for stretching a non-woven web of an...

D - Textiles, Paper

04

H

18/1040, 18/586

D04H 5/02 (2006.01) D04H 1/00 (2006.01)

Patent

CA 1075870

Process and Apparatus For Stretching A Non- Woven Web of An Orientable Polymeric Material Abstract of the Disclosure There is described in a preferred embodiment of the present invention, a process and apparatus of bi-axially stretching a non- woven web of synthetic fibers in a first and second station wherein the first and second stations are provided with sets of rolls having grooves parallel and perpendicular, respectively, to the axis of each set of rolls. The groove pattern of the rolls is generally a sinosoidal wave the web basis weight in grams per square meter.

249031

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