| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a spacer having one shape and used for vertically stacked concrete products and horizontally arranged concrete products. <P>SOLUTION: In the spacer, a connection end A on one end side of a bar-shaped body and a connection end B on the other end side are freely connected to and separated from each other and bent parts bendable at a right angle and capable of holding a bent state are provided in an intermediate part. Each of the bent part has a hinge portion formed to have a thin wall and can be bent and slope portions formed opposite to each other at 90°on both sides sandwiching the hinge portion. A projecting part is formed on one slope portion and a recessed part in which the projecting part can be fitted is formed in the other slope portion, and when the hinge portion is bent to bring both the slope portions into contact with each other, the projecting part is fitted in the recessed part and the bent part is held in a folded state at the right angle. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
