Apparatus for extruding flat synthetic-resin strands

Details Apparatus for extruding flat synthetic-resin strands Apparatus for extruding flat synthetic-resin strands

1991-02-22

1992-03-03

Thurlow, Jeffery

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Including support or guide means for disassembled element

264147, 425192R, 425196, 425307, B29B 1102

Patent

active

050927558

ABSTRACT:
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 elongated 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.

REFERENCES:
patent: 1435659 (1922-11-01), Roberts
patent: 2022895 (1935-12-01), Morrell
patent: 2096347 (1937-10-01), Short
patent: 3356556 (1967-12-01), Violette et al.
patent: 3527859 (1970-09-01), Fairbanks
patent: 3664787 (1972-05-01), Fairbanks
patent: 4904434 (1990-02-01), Hyer

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