A pump for delivery of gas-liquid mixtures adapted to be connected to a container for a liquid comprising: suction means adapted to be reciprocated between a first rest position and a second position so as to collect the liquid from the container; a mixing chamber in communication with the suction means...http://www.google.fr/patents/US20040149777?utm_source=gb-gplus-shareBrevet US20040149777 - Bellows pump for delivery of gas-liquid mixtures
Numéro de demande: 10/478,850 Numéro de publication: US 2004/0149777 A1 Date de dépôt: 25 nov. 2003 Brevet délivré: US7246723 ( Date de délivrance 24 juil. 2007)