EP 4344751 A1 20240403 - FACE MASK
Title (en)
FACE MASK
Title (de)
GESICHTSMASKE
Title (fr)
MASQUE FACIAL
Publication
Application
Priority
CN 2022122611 W 20220929
Abstract (en)
A face mask comprises a filter portion and a fan module for driving air which passes through the filter portion. A magnetic coupling is used to couple the fan module to the filter portion, The filter portion comprises a recessed area having a base wall, a non-recessed area which extends around the recessed area and a side wall extending between the recessed area and the non-recessed area. The magnetic coupling comprises first and second magnetic parts disposed on opposite faces of the side wall.
IPC 8 full level
A62B 18/02 (2006.01); A62B 18/00 (2006.01); A62B 23/02 (2006.01)
CPC (source: EP)
A62B 18/006 (2013.01); A62B 18/025 (2013.01); A62B 23/025 (2013.01)
Citation (search report)
- [XYI] WO 2019064199 A2 20190404 - 3M INNOVATIVE PROPERTIES CO [US]
- [Y] WO 2022180272 A1 20220901 - FOUCHARD ERIC [FR]
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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DOCDB simple family (application)
EP 22210807 A 20221201