Patent ID: 9527245
Filing Date: 2016-12-27
CPC Classification: B29C,B29K,B33Y

Claim Text:
1. A method of 3D printing comprising the following steps: providing a heater-free 3D printing device comprising a housing that contains at least one disposable container with a pasty, extrudable substance and a nozzle with an outlet orifice at one end of the container for extruding the substance from the container, a substance feed mechanism, light-radiation devices located inside the housing near and around the nozzle for irradiating the substance extruded through the orifice for curing the extruded substance, and means for adjusting the feed rate of the extrusion of the substance through the orifice; adjusting the feed rate of the extrusion of the substance through the orifice at least with the use of a substance-feed mechanism to provide curing conditions at which the extruded substance maintains a shape-sustaining state; extruding the substance; and curing the extruded substance to the shape-sustaining state by irradiating the substance with light-radiation devices.