Book case and packaging box for sheet and book case and packing boxes

摘要

An object of the present invention as well as used as a packaging box of the booklet , but also provides the book case and packaging box for sheet and book case and packaging box that can be used as a book case to prevent the fall of the booklet . A book case and packaging sheet is assembled possible in a box shape having a rectangular tubular portion which constitutes the top plate 2 and the bottom plate 6 and a pair of side plates 3 opposite faces , folding the inner surface of the top plate be in an upper flap 23 which is connected to the front edge of the top plate , a lower flap 24 which is connected to the front edge of the bottom plate foldable to the inner surface of the bottom plate , the side plate of the foldable this plate on the inner surface before a bookend plate 22 which is connected to the edge , bookends plate , on the tip side than the one of the side plates and the boundary line and the first folding easy line 34 , and first folding easy lines are formed parallel to and a pair of engaging portions 37, 38 formed in the upper and lower edges , the upper flaps and lower flaps , bookend plate of the pair of engaging portions engageable with the first locking portion 41 and 43 I have a . [ Selection Figure Figure 2