Global Patent Index - EP 4244917 A1

EP 4244917 A1 20230920 - DEVICE AND METHOD FOR TRANSFERRING A CATALYST-COATED MEMBRANE OR A GAS DIFFUSION LAYER

Title (en)

DEVICE AND METHOD FOR TRANSFERRING A CATALYST-COATED MEMBRANE OR A GAS DIFFUSION LAYER

Title (de)

VORRICHTUNG UND VERFAHREN ZUM ÜBERTRAGEN EINER KATALYSATORBESCHICHTETEN MEMBRAN ODER EINER GASDIFFUSIONSLAGE

Title (fr)

DISPOSITIF ET PROCÉDÉ DE TRANSFERT D'UNE MEMBRANE REVÊTUE D'UN CATALYSEUR OU D'UNE COUCHE DE DIFFUSION GAZEUSE

Publication

EP 4244917 A1 20230920 (DE)

Application

EP 21797944 A 20211008

Priority

  • DE 102020214263 A 20201112
  • EP 2021077847 W 20211008

Abstract (en)

[origin: WO2022100942A1] The invention relates to a device and to a method for transferring a functional layer, in particular a catalyst-coated membrane (2) and/or a gas diffusion layer for a membrane electrode assembly, onto a first material web, wherein: precuts (20) of a functional layer are transferred onto a moving counter surface with a first spacing (x1); the precuts (20) are supplied by means of a second material web (3) with a second spacing; the first spacing (x1) is greater than the second spacing (x2); the second material web (5), at least in a handover portion for carrying over a precut (20) moves synchronously with a conveying speed of the counter surface and is braked relative to the conveying speed to change the spacing; and the dispensing edge (6) in the first transport direction (I) relative to the second material web (5) is adjusted in order to create a braking and acceleration section for the precuts (20) moving discontinuously with the second material web (5).

IPC 8 full level

H01M 8/0297 (2016.01); B32B 37/00 (2006.01); B32B 37/22 (2006.01); B32B 38/00 (2006.01); B32B 39/00 (2006.01); B65G 57/11 (2006.01); H01L 21/67 (2006.01); H01M 8/10 (2016.01); H01M 8/1004 (2016.01)

CPC (source: EP US)

B32B 37/025 (2013.01 - US); B32B 37/22 (2013.01 - US); B65H 20/02 (2013.01 - US); B65H 37/002 (2013.01 - US); H01L 21/67132 (2013.01 - EP); H01M 8/0297 (2013.01 - EP US); H01M 8/1004 (2013.01 - EP US); B32B 37/22 (2013.01 - EP); B32B 38/10 (2013.01 - EP); B32B 2457/10 (2013.01 - US); H01M 2008/1095 (2013.01 - EP); Y02E 60/50 (2013.01 - EP)

Citation (search report)

See references of WO 2022100942A1

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 2022100942 A1 20220519; CA 3201464 A1 20220519; DE 102020214263 A1 20220512; EP 4244917 A1 20230920; US 2023420703 A1 20231228

DOCDB simple family (application)

EP 2021077847 W 20211008; CA 3201464 A 20211008; DE 102020214263 A 20201112; EP 21797944 A 20211008; US 202118036370 A 20211008