| 摘要 |
A carton blank for forming a carton, and comprising a row of first, second, third and fourth substantially four-edged panels, each panel having substantially the same width and comprising a side wall part, a top closure obturating part and a top sealing fin part, one of said panels from an outermost boundary of the side wall part to an outermost boundary of the top closure obturating part being substantially free from any lateral line of weakness, the obturating part of said one of said panels including a loop of weakness. |
