self-lock packaging design|folder packaging design

It is an office display box with opening top and Hymnes lock Gravity type (Gravity-fed,namely inverted).The design graph at the top of the box structure is a completely opening structure.

Packaging design features:Unlike H004, this bottom structure is a self-lock structure.
1 A piece of cardboard after folding, with glued edges, forming a tube body.
2 Bottom lock structure: is improved on the basis of the bottom-lock structure, removed the mannual assembling, save time, suitable for automatic producing.
3 Opening top, is suitable for putting some usual stuffs or files.  

Packaging design advantages and usages:
1 This kind of packaging design is often used to put the office file or study file.
2 Top opening for easy taking and putting. 

The bottom-lock type packing design:
1 Bottom bears the weight of things, also affected by pressure, vibration, drop, etc.
2 When do designs, require strength, demand simple design. Usually can use various faces of combination locks, with strong sealing forming bottom.
3 This kind of lock bottom type packaging structure is simple, beautifu and economic, has a certain strength and tightness, is the most common use of lock bottom structure in packaging carton.With low cost and is widely used in cosmetics, wine and food packaging design. 

File box packaging design
1 Design openings, generally adopt  the simplest full opening structure, convenient to use.
2 Simple automatic forming structure, easy to move.
3 Design is simple and the cost is low.