公开(公告)号：US20220032538A1

公开(公告)日：2022-02-03

申请号：US17280292

申请日：2019-10-01

Applicant: DENTSPLY SIRONA inc.

Inventor： Thomas MICHALICA ,  Thomas HASENZAHL ,  Christian SCHMIDT ,  Christian STAHL

IPC: B29C64/124 ,  B29C64/255 ,  B29C64/245 ,  B29C64/264 ,  B29C64/232 ,  B29C64/295 ,  B33Y30/00 ,  B33Y10/00

Abstract: Device (1) for a system for layer-by-layer construction of a body (K) from a substance (S) which can be hardened by radiation, comprising a vat (3) having a vat base (2) for receiving the substance (S) which can be hardened by radiation, comprising a building platform (4) which is arranged above the vat base (2) and which is height-adjustable in relation to the vat base (2) and comprising a sensor (5) cooperating with the vat base (2), wherein the vat base (2) is configured to be at least partially flexible, wherein a chamber (6) is provided wherein the chamber (6) is delimited by an underside of the vat base (2), wherein the sensor (5) is adapted to detect a volume change of the chamber (6) and to provide a sensor signal from which a sign of the volume change can be determined.