A valve for dispensing pressurized fluids, foams, gels or the like is described, with a valve body (15) that can be fixed in a fluid-tight manner at the edge of a lid aperture within a lid for a container opening, a delivery tube (13) that is mounted in the valve body (15) so as to be axially displaceable...http://www.google.com/patents/US6375049?utm_source=gb-gplus-sharePatent US6375049 - Valve for releasing pressurized liquids
