Variable volume packaging container

1348905
This patent relates to a volume changeable packaging container. The main side plate, the minor side plate, the main cover plate and the sub cover plate are paired; the main side plate and the main cover plate and the sub side plate and the sub cover plate are distinguished by the first horizontal fold line; the main side plate and the secondary side The board interaction is divided by the vertical fold line and is penetrated by the second horizontal fold line. The two opposite oblique lines are located between the first horizontal fold line and the second horizontal fold line on the secondary side board. The stop point is the intersection point between the second horizontal fold line and the vertical fold line. In the first horizontal fold line; two opposite horizontal kerfs are located between the secondary side plate and the secondary cover plate, starting from the intersection of the first horizontal fold line and the oblique line. This container can change the volume of the container.

Source: China Packaging News