Containers and methods are disclosed whereby portions of an available stand-by supply of flowable material within a container may be dispensed substantially immediately on-demand. Preferably, the containers include an open-ended container shell having a resilient, shape-retaining side wall defining an...http://www.google.com/patents/US20050029285?utm_source=gb-gplus-sharePatent US20050029285 - Containers and methods for the on-demand dispensing of flowable materials
