B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/778, 18/782
B29C 47/02 (2006.01)
Patent
CA 1199767
CROSS-REINFORCED FILM AND METHOD FOR PRODUCING A CROSS-REINFORCED FILM ABSTRACT OF THE DISCLOSURE The present invention is a novel method for producing a novel cross-reinforced film which comprises trapping threads, fibers, monofila- ments or the like within an extruded, self-weldable, rotating thermo- plastic tubing so as to form a non-woven cross-reinforcing fiber net like structure which is located within the multi-layer thermoplastic film produced upon collapsing and internal self-welding of the tubing into a lay-flat film configuration.
430926
Smart & Biggar
W.r. Grace & Co.,-Conn.
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