| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a block with joint keeps capable of facilitating laying of the blocks in a properly aligned state. <P>SOLUTION: The joint keep 4 formed on the block side faces (a, c, e, g) of the block with the joint keeps is formed into such a shape that it can be engaged with the joint keep 5 formed on the other block side faces (b, d, f, h) of the same block, the joint keeps 4, 5 are engaged with the joint keeps of the adjacent block during laying, and thus relative positions between the blocks on a laying surface are determined spontaneously. <P>COPYRIGHT: (C)2012,JPO&INPIT |
