ROLL-GEAR EXTRUDER Russian patent published in 2015 - IPC B29C47/52 

FIELD: machine building.

SUBSTANCE: roll-gear extruder includes tight loading device, work chamber with two gear rolls, and forming device with electronic heating element, aerator, vacuum pump, to its suction hole a confuser with nipple is connected. At that the loading device is equipped with sensor if feedstock loading height. The aerator is made in form of the installed at the centre hollow shaft, on it uniformly from top to bottom the mixing blades are installed, they are made hollow with holes at side opposite to the shaft rotation, and are connected with its cavity. In top part the rotating shaft has device for air reception with nipple for connection to the discharge hole of the vacuum pump. At that the work chamber with gear rolls in top part has the work tool of the ultrasound concentrator, and in the bottom part UHF heating with dielectric windows, temperature and pressure transmitters.

EFFECT: increased uniformity and density of the finished product, simple design, and acceleration of the product production process.

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