EP 4377019 A1 20240605 - ALL PLASTIC AIRLESS PUMP DISPENSER
Title (en)
ALL PLASTIC AIRLESS PUMP DISPENSER
Title (de)
LUFTLOSER PUMPENSPENDER AUS KUNSTSTOFF
Title (fr)
DISTRIBUTEUR À POMPE SANS AIR ENTIÈREMENT EN PLASTIQUE
Publication
Application
Priority
- US 202163247730 P 20210923
- US 202117542296 A 20211203
- US 2022040257 W 20220812
Abstract (en)
[origin: WO2023048848A1] A hand operated airless dispensing pump made from all plastic materials, for dispensing fluid from a container, comprising: an actuator, a stem, a pump piston, a pump body, an upper check valve, a lower check valve, a return spring, a container and a moving piston; the actuator including a flow passage having a fluid outlet; the stem including a flow passage having a fluid inlet; the pump body formed as a hollow, cylindrical body, having an upper end, a fluid inlet at a lower end, and a pump chamber therebetween; the upper check valve configured to control the flow of fluid through the fluid inlet of the stem; the lower check valve configured to control the flow of fluid through the fluid inlet of the pump body; wherein the actuator, stem and piston are interconnected and the piston reciprocates within the pump chamber upon down-strokes and upstrokes of the actuator.
IPC 8 full level
B05B 11/04 (2006.01); A47K 5/12 (2006.01)
CPC (source: EP)
B05B 11/028 (2023.01); B05B 11/1023 (2023.01); B05B 11/1074 (2023.01); B05B 11/1077 (2023.01); B05B 11/1069 (2023.01)
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 2023048848 A1 20230330; CA 3228921 A1 20230330; EP 4377019 A1 20240605
DOCDB simple family (application)
US 2022040257 W 20220812; CA 3228921 A 20220812; EP 22873376 A 20220812