| 摘要 |
Disclosed is a roll closure for packaging sacks or the like, comprising an extension (1) of the body of the sack which can be rolled up and a reinforcement for the extension when rolled up; at least two strips (2) of a flexible material are provided in the vicinity of the extension and parallel to the end of it on both the inner and outer sides, are substantially congruent with one another when the extension is laid flat or partially or totally rolled up and protrude laterally beyond the extension. |
