EP 4221973 A1 20230809 - NEEDLED SANDWICH NONWOVEN STRUCTURE AND METHOD FOR THE PRODUCTION THEREOF
Title (en)
NEEDLED SANDWICH NONWOVEN STRUCTURE AND METHOD FOR THE PRODUCTION THEREOF
Title (de)
VERNADELTE SANDWICH-VLIESSTRUKTUR UND VERFAHREN ZU DESSEN HERSTELLUNG
Title (fr)
STRUCTURE NON TISSÉE SANDWICH AIGUILLETÉE ET SON PROCÉDÉ DE PRODUCTION
Publication
Application
Priority
- DE 102020125477 A 20200930
- EP 2021074312 W 20210902
Abstract (en)
[origin: WO2022069148A1] The present invention relates to needled sandwich material structures, in which a core nonwoven having vertically oriented fibers is used, and to a method for producing these sandwich material structures.
IPC 8 full level
B32B 3/26 (2006.01); B32B 5/02 (2006.01); B32B 5/12 (2006.01); B32B 5/26 (2006.01); B32B 7/09 (2019.01); B32B 27/10 (2006.01); B32B 27/12 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B32B 29/02 (2006.01); D04H 1/46 (2012.01); G10K 11/168 (2006.01)
CPC (source: EP US)
B32B 3/266 (2013.01 - EP); B32B 5/022 (2013.01 - EP); B32B 5/024 (2013.01 - EP); B32B 5/026 (2013.01 - EP); B32B 5/12 (2013.01 - EP); B32B 5/266 (2021.05 - EP); B32B 7/09 (2018.12 - EP); B32B 27/10 (2013.01 - EP); B32B 27/12 (2013.01 - EP); B32B 27/32 (2013.01 - EP); B32B 27/34 (2013.01 - EP); B32B 29/02 (2013.01 - EP); D04H 1/413 (2013.01 - EP US); D04H 1/498 (2013.01 - EP US); D04H 1/54 (2013.01 - EP); D04H 1/5418 (2020.05 - US); D04H 1/74 (2013.01 - EP US); D04H 11/04 (2013.01 - EP); G10K 11/168 (2013.01 - EP); B32B 2250/03 (2013.01 - EP); B32B 2250/04 (2013.01 - EP); B32B 2250/40 (2013.01 - EP); B32B 2262/0253 (2013.01 - EP); B32B 2262/0269 (2013.01 - EP); B32B 2262/0284 (2013.01 - EP); B32B 2262/101 (2013.01 - EP); B32B 2262/106 (2013.01 - EP); B32B 2262/124 (2021.05 - EP); B32B 2262/144 (2021.05 - EP); B32B 2264/0257 (2013.01 - EP); B32B 2264/0285 (2013.01 - EP); B32B 2264/101 (2013.01 - EP); B32B 2264/12 (2013.01 - EP); B32B 2307/10 (2013.01 - EP); B32B 2307/3065 (2013.01 - EP); B32B 2307/50 (2013.01 - EP); B32B 2307/5825 (2013.01 - EP); B32B 2605/08 (2013.01 - EP); D10B 2321/022 (2013.01 - US); D10B 2331/04 (2013.01 - US)
Citation (search report)
See references of WO 2022069148A1
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)
DE 102020125477 A1 20220331; CN 116234685 A 20230606; EP 4221973 A1 20230809; JP 2023544323 A 20231023; US 2023374710 A1 20231123; WO 2022069148 A1 20220407
DOCDB simple family (application)
DE 102020125477 A 20200930; CN 202180065674 A 20210902; EP 2021074312 W 20210902; EP 21773705 A 20210902; JP 2023519736 A 20210902; US 202118029452 A 20210902