EP 3946863 A1 20220209 - EXTRUDER DEVICE, EXTRUDER SYSTEM AND USE OF AN EXTRUDER DEVICE AND/OR OF AN EXTRUDER SYSTEM
Title (en)
EXTRUDER DEVICE, EXTRUDER SYSTEM AND USE OF AN EXTRUDER DEVICE AND/OR OF AN EXTRUDER SYSTEM
Title (de)
EXTRUDERVORRICHTUNG, EXTRUDERSYSTEM UND VERWENDUNG EINER EXTRUDERVORRICHTUNG UND/ODER EINES EXTRUDERSYSTEMS
Title (fr)
DISPOSITIF D'EXTRUSION, SYSTÈME D'EXTRUSION ET UTILISATION D'UN DISPOSITIF D'EXTRUSION ET/OU D'UN SYSTÈME D'EXTRUSION
Publication
Application
Priority
- DE 102019204228 A 20190327
- EP 2020058297 W 20200325
Abstract (en)
[origin: WO2020193605A1] An extruder device (1) for extruding a strand (ST) of building material (BS) for the 3D printing of a building structure part (BWT), wherein the extruder device (1) comprises: an extruder die (5), wherein the extruder die (5) has an outlet opening (2) for discharging the strand (ST) of building material (BS) out of the extruder device (1); and at least one covering element (8, 8a, 8b), wherein the at least one covering element (8, 8a, 8b) is designed to cover at least one part (2a) of the outlet opening (2) in such a way that an opening cross section (3) of at least one uncovered part (2b) of the outlet opening (2) assigns a strand cross section (4) of the discharged strand (ST) of building material (BS).
IPC 8 full level
B28B 1/00 (2006.01); B28B 3/26 (2006.01); E04G 21/04 (2006.01)
CPC (source: CN EP KR US)
B28B 1/001 (2013.01 - CN EP KR US); B28B 3/205 (2013.01 - US); B28B 3/2672 (2013.01 - US); B28B 3/2681 (2013.01 - CN EP KR US); B33Y 30/00 (2014.12 - KR US); E04G 21/04 (2013.01 - CN EP); E04G 21/0463 (2013.01 - KR); E04G 2021/049 (2013.01 - CN EP KR)
Citation (search report)
See references of WO 2020193605A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020193605 A1 20201001; AU 2020247393 A1 20211111; CA 3134231 A1 20201001; CN 113710442 A 20211126; DE 102019204228 A1 20201001; EP 3946863 A1 20220209; JP 2022526535 A 20220525; KR 20210143828 A 20211129; US 2022250276 A1 20220811
DOCDB simple family (application)
EP 2020058297 W 20200325; AU 2020247393 A 20200325; CA 3134231 A 20200325; CN 202080025079 A 20200325; DE 102019204228 A 20190327; EP 20716715 A 20200325; JP 2021557496 A 20200325; KR 20217033855 A 20200325; US 202017593771 A 20200325