B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
B05B11/1001—Piston pumps
B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
Procédé et dispositif de distribution et de conditionnement d'un produit fluide contenu dans un récipient pressurisé à l'aide d'un gaz propulseur
Procede et appareil de depot d'une couche d'echantillon liquide a la surface d'un liquide support contenu dans un tube de centrifugation semi-ferme.
Dispositif pour la fluidification de materiaux granulaires, conteneur muni d ' un tel dispositif et procede de decolmatage de materiaux granulaires contenus dans un conteneur