EP 4029386 A1 20220720 - FILTER FOR SMOKING ARTICLE
Title (en)
FILTER FOR SMOKING ARTICLE
Title (de)
FILTER FÜR RAUCHARTIKEL
Title (fr)
FILTRE POUR ARTICLE À FUMER
Publication
Application
Priority
EP 21151304 A 20210113
Abstract (en)
A vapour generating article comprising: a body having a first end and a second end opposite the first end, the body arranged to contain a vapour generating material; a filter comprising a mouthpiece end and an attachment end opposite the mouthpiece end, the attachment end arranged to be attached to the first end of the body; an airflow passageway within the filter configured to allow a vapour to flow into the filter through the attachment end from the first end of the body and out of the filter through the mouthpiece end; a restrictor arranged to adjust the cross sectional area of the air flow passageway to alter the pressure of the air flow within the airflow passageway.
IPC 8 full level
CPC (source: EP)
A24D 3/041 (2013.01); A24D 3/17 (2020.01)
Citation (search report)
- [XA] WO 2018060738 A1 20180405 - BRITISH AMERICAN TOBACCO INVESTMENTS LTD [GB]
- [X] US 3738375 A 19730612 - DOUMAS G
- [X] US 3376874 A 19680409 - YUNIL KIM, et al
- [X] US 4532943 A 19850806 - NICHOLS WALTER A [US], et al
- [X] WO 2019136165 A1 20190711 - CHONG CORP [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
DOCDB simple family (publication)
DOCDB simple family (application)
EP 21151304 A 20210113