EP 4384465 A1 20240619 - AVOIDANCE OF SCRATCHES ON THE FILM
Title (en)
AVOIDANCE OF SCRATCHES ON THE FILM
Title (de)
KRATZERVERMEIDUNG AN DER FOLIE
Title (fr)
PRÉVENTION DE RAYURES SUR UN FILM
Publication
Application
Priority
- DE 102021207875 A 20210722
- EP 2022070484 W 20220721
Abstract (en)
[origin: WO2023001961A1] The invention describes to a roller (100) for guiding a film web (101) and for subjecting the film web to an at least partially radially inwardly directed force, wherein, to apply the force, openings (105) are provided in the surface, wherein the openings are able to be subjected at least partially to a negative pressure from a negative pressure source. In this case, at least one device for increasing the radially inwardly directed force and/or the roller are/is configured such that the film web is movable relative to the roller surface without damage being brought about on the film web.
IPC 8 full level
B65H 23/188 (2006.01); B29C 55/06 (2006.01); B65H 20/12 (2006.01)
CPC (source: EP US)
B29C 55/06 (2013.01 - EP US); B65H 20/12 (2013.01 - EP US); B65H 23/188 (2013.01 - EP US); B29K 2995/0087 (2013.01 - US); B65H 2301/5124 (2013.01 - EP US); B65H 2406/33 (2013.01 - EP US); B65H 2701/1752 (2013.01 - EP US)
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 2023001961 A1 20230126; EP 4384465 A1 20240619; US 2024326315 A1 20241003
DOCDB simple family (application)
EP 2022070484 W 20220721; EP 22747348 A 20220721; US 202218580837 A 20220721