EP 4347981 A1 20240410 - SPACER COMPRISING CO-EXTRUDED HOLLOW SECTION
Title (en)
SPACER COMPRISING CO-EXTRUDED HOLLOW SECTION
Title (de)
ABSTANDHALTER MIT CO-EXTRUDIERTEM HOHLPROFIL
Title (fr)
ENTRETOISE COMPORTANT UNE SECTION CREUSE CO-EXTRUDÉE
Publication
Application
Priority
- EP 21176940 A 20210531
- EP 2022062735 W 20220511
Abstract (en)
[origin: WO2022253532A1] The invention relates to a spacer (I) for insulated glass units, at least comprising a hollow section (1) which extends in a longitudinal direction (X) and is co-extruded from a polymeric base material (6) and a diffusion barrier material (7), said section comprising: - a first side wall (2.1) and a second side wall (2.2); - a glazing interior wall (3) which interconnects the side walls (2.1, 2.2); - an outer wall (5) which is arranged substantially in parallel with the glazing interior wall (3) and interconnects the sidewalls (2.1, 2.2); and - a cavity (8) which is surrounded by the sidewalls (2.1, 2.2), the glazing interior wall (3) and the outer wall (5), wherein: - the outer wall (5) comprises at least two layers of base material (6.1, 6.2) and at least two layers of diffusion barrier material (7.1, 7.2), - a layer of base material (6.1, 6.2) is always arranged between two layers of diffusion barrier material (7.1, 7.2); - the layers of base material (6.1, 6.2) and diffusion barrier material (7.1, 7.2) extend in the longitudinal direction (X); and - in the outer wall (5), at least one layer of diffusion barrier material (7.1) extends from the first side wall (2.1) to the second side wall (2.2).
IPC 8 full level
E06B 3/663 (2006.01)
CPC (source: EP KR US)
E06B 3/66319 (2013.01 - EP KR US); E06B 3/66361 (2013.01 - KR); E06B 2003/6638 (2013.01 - EP); E06B 2003/66385 (2013.01 - KR)
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
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022253532 A1 20221208; CA 3204119 A1 20221208; CN 117441053 A 20240123; DE 202022002958 U1 20240227; EP 4347981 A1 20240410; JP 2024512280 A 20240319; KR 20240010730 A 20240124; US 2024110433 A1 20240404
DOCDB simple family (application)
EP 2022062735 W 20220511; CA 3204119 A 20220511; CN 202280039310 A 20220511; DE 202022002958 U 20220511; EP 22728576 A 20220511; JP 2023552098 A 20220511; KR 20237044188 A 20220511; US 202218262320 A 20220511