| 摘要 |
PURPOSE: A paper box for storing cream cake is provided to use two extension portions extended from inner walls of the paper box for using a space unit in between the extended portions as a guiding groove. CONSTITUTION: A paper box for storing cream cake includes inner walls(32), a reinforcing portion, connection pieces(40,41), and side walls(30,31). The paper box is inserted into a box main body combined with a lid(3). The connection pieces connect the inner walls and the reinforcing portion. The side walls include a space unit among the connection pieces. The side walls upwardly curve the connection pieces connected to the lower side of the inner walls, and the reinforcing portion to the rear side of the inner walls.
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