EP 4222310 A1 20230809 - AIR-LAYING DEVICE
Title (en)
AIR-LAYING DEVICE
Title (de)
LUFTLEGEEINRICHTUNG
Title (fr)
DISPOSITIF DE FORMATION PAR FLUX D'AIR
Publication
Application
Priority
- DE 102020125404 A 20200929
- EP 2021076003 W 20210922
Abstract (en)
[origin: WO2022069305A1] The invention relates to an air-laying device (1) for producing a fibre mat at least partially from wood pulp fibres and/or cellulose fibres, comprising an annular distributor (2) having a fibre feed (10), an annular channel with an outlet element (3) forming a portion of the annular channel, this portion being arranged inside a calming channel (4) extending downwards in the direction towards a forming fabric (5), and the outlet element (3) having openings through which the fibres fed by the fibre feed (10) exit from the annular channel into the calming channel (4) and can move to the forming fabric in order to form the fibre mat on the forming fabric (5).
IPC 8 full level
D21F 9/00 (2006.01)
CPC (source: EP US)
D04H 1/26 (2013.01 - US); D04H 1/28 (2013.01 - US); D04H 1/732 (2013.01 - US); D21F 9/00 (2013.01 - EP)
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 102020125404 A1 20220331; CN 116324087 A 20230623; EP 4222310 A1 20230809; US 2023235493 A1 20230727; WO 2022069305 A1 20220407
DOCDB simple family (application)
DE 102020125404 A 20200929; CN 202180066435 A 20210922; EP 2021076003 W 20210922; EP 21782701 A 20210922; US 202318127854 A 20230329