A dispenser comprises an upper portion having an annular member depending therefrom and a bottom portion having a base and an upright post connected to the base. It also includes a flexible bag capable of containing fluid suspended from the upper portion and located inside the annular member. The...http://www.google.es/patents/US5842604?utm_source=gb-gplus-sharePatente US5842604 - High viscosity fluid dispenser with replaceable fluid-containing bag and nozzle
High viscosity fluid dispenser with replaceable fluid-containing bag and ...
