| 摘要 |
<p>A plastic bag (2) having a flat bottom surface and method of making the same in which the plastic bag is formed by sealing opposed walls (8a, 8b) of a tubular sheet together and then drawing the same over a flat surface such that the sealed end forms a bottom section having an extension which is folded and then sealed to the bottom section over at least a portion of its length.</p> |
