Apparatus for melt mixing and spinning synthetic polymers

Details Apparatus for melt mixing and spinning synthetic polymers Apparatus for melt mixing and spinning synthetic polymers

1996-03-12

1997-08-12

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

Extrusion shaping means

26417211, 2641761, 26421122, 26421123, 425132, 4253822, 425463, D01D 0406

Patent

active

056563043

ABSTRACT:
An apparatus for melt mixing and spinning synthetic polymers, which has a plurality of spinning nozzle units, a main extruder with a capacity sufficient to feed a polymer melt to the plurality of spinning nozzle units, a main metering pump for receiving the polymer melt through a conduit system from the main extruder and directing the polymer melt through a branched conduit system including a first branch and a second branch to the spinning nozzle unit, a plurality of multiple way fluidic devices, a two way valve for receiving the polymer melt from the main metering pump and for directing the polymer melt through the first branch or through the second branch and through the multiple way fluidic devices to the plurality of spinning nozzle units, thereby directing the way within the multiple way fluidic devices, a plurality of concentrate extruders for directing a plurality of concentrates through the multiple way fluidic devices to the spinning nozzle units, each of said multiple way fluidic devices thereby combining the polymer melt received from the first branch with one of the concentrates to a polymer melt mixture and directing the polymer melt mixture to one of the plurality of spinning nozzles units.

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patent: 3496261 (1970-02-01), Parr
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patent: 4019844 (1977-04-01), Ogasawara et al.
patent: 5244614 (1993-09-01), Hagen

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