3D PRINTER HEAD FOR USE IN 3D PRINTER, 3D PRINTER WITH SUCH 3D PRINTER HEAD, METHOD FOR OPERATION OF SUCH 3D PRINTER AND PRINTED PRODUCT MANUFACTURED USING SUCH 3D PRINTER Russian patent published in 2022 - IPC B29C64/209 B33Y30/00 

FIELD: three-dimensional printing.

SUBSTANCE: 3D printer head contains a chamber for receiving liquid or solid printing material through an inlet. The chamber has an outlet on one surface, it is equipped with a spiral feeding auger for feeding printing material entering the chamber from the inlet into the outlet by connecting the spiral feeding auger with a drive made with the possibility of rotating the spiral feeding auger relatively to the chamber so that the spiral feeding auger rotates at a distance from the specified chamber surface. The spiral feeding auger contains at least one feeding conveyor made with the possibility of feeding printing material between an inlet area located radially outside and an outlet area located radially inside in the direction of the latter, and at least one diverting conveyor located and made with the possibility of diverting printing material with gas present in it from at least one section of a radially inner edge zone of the feeding conveyor.

EFFECT: increase in the strength of the product.

11 cl, 5 dwg