A dispensing system for dispensing viscous fluids from flexible packages is provided. The flexible package is connected to a pump by way of a conduit. A buffer system may be provided which results in an emptying of the flexible package of fluid first prior to the emptying of the buffer system. A valve...http://www.google.fr/patents/US5992691?utm_source=gb-gplus-shareBrevet US5992691 - Dispensing apparatus for fluid contained in flexible packages
Dispensing apparatus for fluid contained in flexible packages