| 摘要 |
PURPOSE: A prefabricated case with a circular section and the use thereof are provided to ensure simple assembly of inner and outer cases and easy insertion of an article because the notch grooves are opened or restored along with the cut parts. CONSTITUTION: A prefabricated case with a circular section comprises inner and outer cases(10,20) which have cut parts(10a,20a), respectively. Each cut part is formed lengthwise so as to pass through the inner and outer peripheries. The first cut part is elastically opened to receive an object(M) in the inner case, and the second cut part is elastically opened to assemble the outer case to the inner case. First and second notch grooves(10b,20b) are formed lengthwise on the other sides of inner and outer cases.
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