| 摘要 |
PROBLEM TO BE SOLVED: To facilitate manufacturing of wall bodies such as side walls constituting a box.SOLUTION: A box of a truck has a bottom wall, front and rear walls, a ceiling wall and right and left side walls. At least right and left side walls are formed by a plurality of wall body members 30 having an inside panel 31, a core material 33 and an outside panel 32. In the inside panel 31, an inside butting piece 31a formed by folding the lateral side part of the inside panel is provided, and in the outside panel 32, an outside butting piece 32a formed by folding the lateral side part of the outside panel is provided. In the core material 33, a connection groove 37 is provided, and into the connection groove 37 of two wall body members 30 abutting to each other, a connection member 38 is inserted. |
