Lid with improved sealing system of the pouring spout

摘要

The lid has a flat closing unit (12) for closing an outlet orifice, and body (17) with a pull off support (16) transversally arranged with respect to a draw bar (21) for fastening one end of an elastic unit (22). Another end of the elastic unit is fastened to a fastening unit of the draw bar such that the elastic unit stresses the draw bar along a direction parallel to an opening plane, towards the support.