| 摘要 |
PROBLEM TO BE SOLVED: To obtain a pyramid-shaped triangular corner with double adhesive coated tape wherein a double adhesive coated tape is bonded to the inner and outer sides of a pyramid-shaped triangular corner, and in order to make, for example, a box, an inside tape protection seal is bonded to a plate using eight corners corresponding to six plates, and when a double construction is required, the tape also is bonded to the outside to easily prepare a large corner and a small corner as well. SOLUTION: In the construction of the pyramid-shaped triangular corner, a fold line is provided when a paper is used, depending upon objects. A double adhesive coated tape is bonded to the inner side and outer side. When sizes can be freely selected, a hinge 3 is used. A double adhesive coated tape 2 is bonded to the inner side part and the outer side part of the triangular corner.
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