Extruding flat synthetic resin strands

Details Extruding flat synthetic resin strands Extruding flat synthetic resin strands

B - Operations, Transporting

29

C

18/739

B29C 47/14 (2006.01) B29C 47/30 (2006.01) B29C 69/00 (2006.01)

Patent

CA 2037662

18029 Abstract of the Disclosure A plurality of synthetic resin strands are made in a nozzle having a housing forming a passage having an upstream end and a downstream end. The downstream end is formed as an elon- gated slot having a relatively great length and a relatively short width measured perpendicular to its length. An extruder connected to the housing at the upstream end of the passage introduces a fluent thermoplastic synthetic resin thereinto under pressure so the resin exits from the slot in a predetermined flow direction. A plurality of blades are retained in holders on the nozzle immediately downstream of the downstream of the passage at the slot with each blade traversing the slot crosswise of its length. thus the resin exiting from the slot is cut by the blades into the strands. The holders are adjustable along the slot for horizontally displacing and fixing the blades so as to vary the dimensions of the strands.

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