| 摘要 |
PURPOSE: An assembly body is provided in which plastic injection molds for forming top and bottom walls are combined with a base plate at the top and bottom of the base plate to construct the body with a simple manual operation without using a welding process. CONSTITUTION: A body is assembled in such a manner that plastic injection molds(21) for forming top and bottom walls(22) is close-fit to the top and bottom of a base plate(41) that is bent to form a back side wall(13), left and right side walls(12). The mold has a joint groove(23) for being combined with the top and bottom of the base plate. The base plate has a joint protrusion(17) at the top and bottom for being jointed with the molds.
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