CAN LID

摘要

PROBLEM TO BE SOLVED: To obtain good openability by minimizing the tilt of a rivet. SOLUTION: An arcuate rivet tilt preventive score 18 formed to protrude radially outward along the outer periphery of the rivet 11 is formed in a region radially outward from a coining part 20a and radially inward from a dimple 12 in an opposite region facing an opening 14 across the rivet 11 on the upper surface 10a of a can lid body 10. COPYRIGHT: (C)2006,JPO&NCIPI