The automatic bottom-locking paper box will automatically return to the locked state when the bottom of the box is opened. Tubular packaging boxes are the most common form of daily packaging. Most color box packaging, such as food, medicine, daily necessities, etc., adopt this packaging structure. Its characteristic is that during the forming process, both the lid and the bottom of the box need to be shaken. The wings are folded and assembled, fixed or sealed, and most of them have a single structure, with adhesive openings on the sides of the box. The basic shape of the carton is a quadrilateral, and it can also be expanded into a polygon on this basis.

Automatic bottom-locking carton

The automatic bottom-locking packaging box adopts a pre-glued processing method, but it can still be flattened after bonding. When using, you only need to open the box body. The bottom of the box will automatically return to the locked state, which is extremely convenient to use, saves labor and time, and has good bearing capacity, making it suitable for automated production. This design structure is generally preferred for packaging boxes that carry high-weight items.

Automatic bottom locking refers to the function of the carton to complete the sealing of the bottom surface through its own structure without the help of external force and to be able to withstand a certain pressure. During the transportation of eggs, it is usually used Automatic locking bottom shockproof paper box.