EP 4221900 A1 20230809 - DISPENSING DEVICE WITH A HARD-SPOT CHECK VALVE
Title (en)
DISPENSING DEVICE WITH A HARD-SPOT CHECK VALVE
Title (de)
ABGABEVORRICHTUNG MIT EINEM FESTPUNKTRÜCKSCHLAGVENTIL
Title (fr)
DISPOSITIF DE DISTRIBUTION COMPORTANT UN CLAPET ANTI-RETOUR À POINT DUR
Publication
Application
Priority
- FR 2009901 A 20200929
- FR 2021051496 W 20210827
Abstract (en)
[origin: WO2022069808A1] The present invention relates to a dispensing device (10), comprising: a coupling member (20) intended for being mounted on the opening (16) of a container (12), a piston (28), a cylinder body (30) in which the piston (28) is arranged so as to define a metering chamber (32) between the piston (28) and the cylinder body (30), the piston (28) comprising a metering inlet (34) and a dispensing opening (36), the cylinder body (30) being slidably movable along the piston (28), an inlet check valve (38) provided to open the metering inlet (34) when under negative pressure, an outlet check valve (40) provided to open the dispensing opening (36) when under positive pressure. The outlet check valve (40) comprises a diaphragm (64) provided with a sealing lip (66) that is able to slide against the inner axial surface (56) of the cylinder body (30).
IPC 8 full level
B05B 11/00 (2023.01)
CPC (source: EP US)
B05B 11/00442 (2018.07 - US); B05B 11/007 (2013.01 - EP US); B05B 11/1004 (2023.01 - EP US); B05B 11/1061 (2023.01 - EP US); B05B 11/00442 (2018.07 - EP); B05B 11/0089 (2013.01 - EP US); B05B 11/1069 (2023.01 - EP); B05B 11/1074 (2023.01 - EP)
Citation (search report)
See references of WO 2022069808A1
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)
FR 3114575 A1 20220401; FR 3114575 B1 20220923; CN 115916418 A 20230404; EP 4221900 A1 20230809; US 2024009692 A1 20240111; WO 2022069808 A1 20220407
DOCDB simple family (application)
FR 2009901 A 20200929; CN 202180052241 A 20210827; EP 21777573 A 20210827; FR 2021051496 W 20210827; US 202118188351 A 20210827