| 摘要 |
PROBLEM TO BE SOLVED: To provide an easily openable can lid for partly opening capable of surely breaking a main score. SOLUTION: An easily openable can lid has a constitution that the score is continuously broken from an initial breaking part toward a terminal end 4F by pushing and pressing an opening-predetermined region by a tip part of a tab, and the broken opening piece is bent by a hinge part 8 to turn it into a can. The score has a double structure equipped with the main score 41 broken by the tab and an auxiliary score 42 formed inside of the main score 41, and the auxiliary score 42 is shallower than the main score 41 so as not to break by the tab. In this easily openable can lid, the remaining thickness t3 of the terminal end part 42b of the auxiliary score 42 adjoining the terminal end part of the main score 41 is made thicker than the remaining thickness t2 of a main body part 42a by this side of the terminal end part 42b by a predetermined length. COPYRIGHT: (C)2006,JPO&NCIPI
|
