Fully opening tear off cover for cans - with cross drain along rivet platform joining inwardly projecting steaming drain

摘要

Fully opening tear off cover from steel or aluminium sheet for food cans or similar containers includes a grooved line along which the cover is opened a steaming drain a groove wall and a rivet for attaching a gri strap to its top surface. The grooved line is positioned immediately by and concentrically with the groove wall between the groove wall and the steaming drain and the steaming drain is projecting towards the rivet and is ending in front of a raised platform on which the rivet is mounted. The platform is terminated in direction of cover centre by a cross drain which at both of its ends is joining the steaming drain and which is deeper than the steaming drain.