Plastics stopper for plastics bottle - has sleeve fitting over bottle neck, an insertable portion, and hinged domed cap with pouring hole

摘要

Closure has a sleeve that fits tightly over the neck of the bottle and an actual bottle-closing extension that is inserted into the bottle to be closed, as well as a cap closure that can be fixed upon the bottle and has an off-centre pouring hole. The pouring hole is a simple, sharp-edged, circular aperture in the cap closure which latter is doned so that the pouring hole lies at the apex of the curvature. The cap closure is hinged to the rest of the bottle closure.