EXTRUDER Russian patent published in 2020 - IPC B30B11/24 A23P30/20 

FIELD: food industry.

SUBSTANCE: invention relates to food industry and may be used in production of extruded food products. Extruder comprises a body, a pressing chamber, a matrix, a grinding chamber with a loading hopper, spray nozzles and a knife, a screw and a disk. Auger is assembled with screw-type screw elements forming coils, and has constant or decreasing pitch of turns, increased thickness of coils and decreasing depth of cutting. Pressing chamber is composed of feed and pressing housings and provided with trapezoidal grooves of constant cross-section. Disk has four cylindrical holes with a taper diverging at angle 45°. Matrix is made with holes, shape and number of which are selected depending on shape and dimensions of produced extrudate. Disk and the matrix are located with a gap between them, which is controlled by movement of the matrix along the thread, by means of which it is fixed on the outer surface of the pressing body.

EFFECT: as a result, expansion of technological capabilities of the extruder and higher quality of the obtained product.

1 cl, 6 dwg