| 摘要 |
The bag (S) has an opening bordered by a lip (5) located in an extension of composite film layer (N1), where the lip is equipped with an adhesive band occupying a length (L) of the opening. The opening is protected by a detachable band (8). Exterior edges (9, 10) of the lip are equipped with the band, and are truncated. The opening is prolonged by a lip (6) folded against an exterior face of the bag, where the opening is glued at the lip (5) for closing the bag in a sealed manner. |
