CONCRETE EXTRUSION APPARATUS FOR 3D PRINTING SYSTEM

摘要

The present specification discloses a concrete extrusion apparatus which is fast and structurally stable compared to a working time of a conventional concrete nozzle. The concrete extrusion apparatus according to the present specification comprises: a central nozzle vertically extruding concrete; and first and second side nozzles connected to both sides of the central nozzle and extruding a finishing material having a hardening speed faster than a hardening speed of the concrete extruded from the central nozzle.;COPYRIGHT KIPO 2018