| 摘要 |
PURPOSE: A foldable packaging box including a locking unit is provided to prevent a short side plate and a long side plate from contacting contents using the locking unit. CONSTITUTION: A foldable packaging box including a locking unit comprises a pair of long side plates(3), a pair of short side plates(5), a base plate(7), and a rectangular shaped upper frame(11). The upper frame has the same width with the base plate, and is connected to the upper sides of the long side plates and the short side plates. The shirt side plates rotate around a first hinge shaft(13) installed on the upper frame. The long side plates are formed with more than two unit long side plates(3b) including horizontal folding lines. The locking unit(6) is installed on the inner surface of the short side plates. A fitting hole is formed on the inner surface of the long side plates or the upper side of the base plate for fitting the tip-end of the locking unit.
|
