| 摘要 |
PROBLEM TO BE SOLVED: To provide a frame in which bulge of the intermediate part of a frame body is prevented and deformation is suppressed by connecting the frame body joined with the base body at the inner region in a lengthwise direction.SOLUTION: The frame includes: a sheet-like base body 2; a plurality of frame bodies 3 arranged along the periphery of the base body; and connection pieces 4 connecting the frame bodies and the base body, the inner region of one or both of the base body and the frame body in a lengthwise direction is formed with a slit A with which the connection piece is fitted and fixed.SELECTED DRAWING: Figure 2 |
