Method of producing a composite web

Details Method of producing a composite web Method of producing a composite web

B - Operations, Transporting

29

C

B29C 47/02 (2006.01) B29C 71/04 (2006.01) B32B 27/00 (2006.01) B32B 27/12 (2006.01) D06N 3/00 (2006.01) D06N 3/04 (2006.01)

Patent

CA 2185928

A molten strand of a thermoplastic synthetic resin from a wide-slit nozzle is electrostatically charged before it contacts a fleece of thermoplastic filament and/or fibers, the latter passes onto a drum or roller at a temperature below the~ melting temperature of the filaments and/or fibers so that the electrostatic forces cause bonding of the foil to the fleece, thereby forming a composite web. Because of the electrostatic forces, pressing of the composite, e.g. with a calender, is not necessary.

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