Process and apparatus for manufacturing flat plastic net

Details Process and apparatus for manufacturing flat plastic net Process and apparatus for manufacturing flat plastic net

B - Operations, Transporting

29

C

18/724, 18/767

B29C 47/92 (2006.01) B29C 47/12 (2006.01)

Patent

CA 1120226

ABSTRACT OF THE DISCLOSURE The invention provides a process and apparatus for manufacturing flat plastic net. Tubular plastic net is made by extruding plastic material through coaxial cir- cular counter-rotating die members to form a net structure having a plurality of crossing strands. The anglar dis- placement of successive longitudinally-aligned junctions of the crossing strands is controlled, preferably by con- trolling the relative counter-rotation of the extrusion die members, and successive longitudinally aligned junc- tions are cut longitudinally within each junction. The tubular net so cut is opened out to form flat net. The flat net so produced, the edges of which are charaterized by successive longitudinal edge junctions, in which each edge junction is cut long- itudinally within the junction, is particularly useful for fencing material, for example.

312707

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