| 摘要 |
PROBLEM TO BE SOLVED: To provide a closure element reduced in the excessive stress applied to a strap and capable of being produced in the min. cost. SOLUTION: A closure element 10 fitted with a snap type hinge cap consists of the first part 11 integrated with the open neck part of a container, the second part 12 forming a cap and the integral hinge 13 connecting the first and second parts mutually. These parts 11, 12 have base walls and circumferential skirts and a pair of hinge straps 25 extend from the skirts on both sides of the integral hinge. The ends of the straps are straight when the first and second parts are present at a full open position and positioned on the substantially same plane. The respective straps have the parts extending to the outside of the plane at the intermediate parts between both ends thereof. |
