| 摘要 |
<p>A liquid tight pouring carton is provided, having a pour spout which is easily opened by removal of a tear tab, and can be fully extended thereafter. The tear tab is provided as part of a sealed fin on the top of the carton; the tear tab having a line of weakness extending through the paperboard, but not into or through the barrier and sealing layers of foil and plastic. Until the tab is removed, the carton is completely sealed to leakage or contamination. The invention also contemplates a blank suitable for erection into the carton, and a method of making the blank and erecting and sealing it.</p> |
