A container for dispensing two flowable products in desired proportions includes a multichamber squeeze tube with a pair of nested tubes integrally molded with an end wall as a single piece. Apertures in the end wall provide dispensing openings for a first chamber inside the inner tube, and for a second...http://www.google.es/patents/US6026989?utm_source=gb-gplus-sharePatente US6026989 - Multichamber squeeze tube integrally molded in one piece and container assembly incorporating same
Multichamber squeeze tube integrally molded in one piece and container ...