A liquid foam-discharging, squeezable bottle is disclosed, which has a twist cap screwed onto the vessel body, the twist cap being composed of an inner cap and outer cap. The inner cap has formed therein two independent fluid-passing mechanisms at about its central position and at a position adjacent...http://www.google.com.au/patents/US5467898?utm_source=gb-gplus-sharePatent US5467898 - Liquid foam-discharging, squeezable vessel
