DISCHARGE CLOSURE FOR LIQUID PRODUCT CONTAINERS Russian patent published in 2006 - IPC B65D47/20 

FIELD: closures equipped with liquid discharge devices.

SUBSTANCE: discharge closure for beverage containers has closure body equipped with flow-through opening communicating with discharge opening of container, stopper member and discharge tube. There is flattening device on stopper member and mating stop on closure body. Body cap has stepped raised portion with outlet opening for discharge tube, the latter conforming to raised portion. Annular shoulder of discharge tube adjoins annular thrust surface of tube holder and is widened owing to annular thickened portion which is received within annular channel of second step. Discharge tube closes annular shoulder. Head plate may be put onto tube holder upon closing of stopper member so as to fold said discharge tube by means of flattening device.

EFFECT: increased efficiency in sealing of container in capped state without causing adverse effect upon drinking process.

8 cl, 4 dwg