| 摘要 |
<p>A leakproof carton formed from a foldable carton blank (2) which has a first sheet of relatively flexible material (50) secured along its lower edge portion (56) to the top of the sidewall panel portions (14, 16, 18, 20) and the glue tab panel portion (22), a second sheet of relatively flexible material (60) secured along its upper edge portion (66) to the bottom of the sidewall panel portions (14, 16, 18, 20) and the glue tab panel portion (22). Either a continuous coating of a plastic material or a film of a relatively flexible plastic material may be secured to the inner surfaces of the first and second sheets and the portion of the sidewall panel and glue panel portions therebetween.</p> |
