| 摘要 |
This disclosure relates to foldable cartons wherein adjacent walls thereof are joined together by a folded web. In order that the carton may be retained in an erected condition, there has been provided a web lock which will lock the adjacent corners together in a rigid corner forming relation. The web lock includes a notch or opening in one of the walls adjacent the corner and a projection on the other of the walls extending into the notch and locking the walls against folding relative to one another.
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