Method of and apparatus for producing a composite web
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 23, 2000
Grant Date -
N/A
app pub date -
Jan 8, 1999
filing date -
Jan 27, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Thin thermoplastic foil is applied with the aid of a wide slit nozzle and an electrostatic discharge electrode to a nonwoven mat of thermoplastic fibers and filaments on a bonding roller and the resulting composite is then subjected to biaxial stretching utilizing at least some of the bonding heat carried by the composite. The composite may then be thermally fixed before being cooled to room temperature.
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