EP 4100338 A1 20221214 - METERING VALVE HAVING AN IMPROVED METERING CHAMBER
Title (en)
METERING VALVE HAVING AN IMPROVED METERING CHAMBER
Title (de)
DOSIERVENTIL MIT VERBESSERTER DOSIERKAMMER
Title (fr)
VALVE DOSEUSE AVEC CHAMBRE DE DOSAGE AMÉLIORÉE
Publication
Application
Priority
- FR 2001216 A 20200207
- FR 2021050217 W 20210205
Abstract (en)
[origin: WO2021156580A1] Metering valve for dispensing a fluid product, comprising a valve body (10) containing a metering chamber (20), said metering chamber (20) being defined by a chamber insert (40) and two O-rings, a valve seal (21) and a chamber seal (22), said chamber insert (40) comprising a cylindrical wall (49), an upper edge (41) that cooperates with said valve seal (21) and a lower edge (43) that cooperates with said chamber seal (22), a valve (30) sliding axially in said valve body (10) between a rest position and a dispensing position, so as to selectively dispense the contents of said metering chamber (20), said valve (30) being urged towards its rest position by a spring (8) that cooperates on one hand with said valve body (10) and on the other hand with said valve (30), said upper edge (41) of said chamber insert (40) comprising an annular cutout (45) formed on the radially inner side of said upper edge (41), in such a way that the width of said upper edge (41) in contact with said valve seal (21) is always the same, whatever the width of said cylindrical wall (49). Figure to be published: figure 1
IPC 8 full level
B65D 83/54 (2006.01); B65D 83/14 (2006.01)
CPC (source: EP US)
B65D 83/54 (2013.01 - EP US); B65D 83/752 (2013.01 - US); B65D 83/752 (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)
WO 2021156580 A1 20210812; BR 112022015020 A2 20220920; CN 115052820 A 20220913; EP 4100338 A1 20221214; FR 3107039 A1 20210813; FR 3107039 B1 20220318; JP 2023513514 A 20230331; US 11878855 B2 20240123; US 2023107497 A1 20230406; US 2024083666 A1 20240314
DOCDB simple family (application)
FR 2021050217 W 20210205; BR 112022015020 A 20210205; CN 202180012848 A 20210205; EP 21708277 A 20210205; FR 2001216 A 20200207; JP 2022547695 A 20210205; US 202117797742 A 20210205; US 202318514992 A 20231120