Extruding apparatus for extruding synthetic resin

Details Extruding apparatus for extruding synthetic resin Extruding apparatus for extruding synthetic resin

1987-02-02

1988-08-30

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

With separate and distinct upstream agitating or kneading means

With separate and distinct gas withdrawal chamber

425205, 425209, 366266, A01J 1700

Patent

active

047673036

ABSTRACT:
A structure of an extruding apparatus for extruding a synthetic resin, including a first extruder and a second extruder having a vent hole, is disclosed. The extruding apparatus includes: a first extruder; and a second extruder having a cylinder with a vent hole, a supply port provided at the proximal end of the cylinder, and connected to a discharge port of the first extruder, a distribution/supply means provided inside the cylinder, having a plurality of passages for fluidically connecting the supply port and a space inside the cylinder, and distributing and supplying a molding material supplied to the supply port into the cylinder, a discharge port provided at the distal end of the cylinder, a screw shaft arranged inside the cylinder, and a motor for driving the screw shaft. An airtight vacuum chamber connected to the vacuum pump is mounted on an outer portion of the vent hole.

REFERENCES:
patent: 3535737 (1970-10-01), Hendry
patent: 4112519 (1978-09-01), Kruder

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