Protection device to prevent ingress of insects in drink cans has opening lever manufactured in certain shape so that after opening by rotation it covers drinking hole by its extent, and lever has drinking straw hole on cover surface

摘要

The protection device for drink cans has an opening lever (1) of hardened 1.5mm thick aluminum manufactured in a certain shape so that after opening by rotation it covers the drinking hole by its extent. The opening lever has a drinking straw hole (2) on its cover surface. The fastening angle piece (3) is connected to the lever by a spot weld point and in its material thickness should be no thicker than 0.1mm.