| 摘要 |
<p>A device in a body (1, 51) arranged to be joined to one or more adjacent bodies (1, 51) of a similar kind in the vertical and/or horizontal direction(s) for the formation of a composite structure, for example a wall, the body (1, 51) including a lower surface (3, 53) essentially horizontal in the position of use, and an opposite upper surface (5, 55), two opposite end surfaces (7, 9, 57, 59) and two opposite side surfaces (11, 13, 61, 63), wherein at least one of the surfaces of the body (1, 51), preferably the lower and/or upper surface (3, 5, 53, 55) has the form of a convex or concave cylinder surface, one of the convex or concave cylinder surfaces (3, 5, 53, 55) of the body is provided with at least one projecting locking element (21, 71) and the opposite convex or concave cylinder surface (5, 3, 55, 53) is provided with at least one locking element (15, 65) complementary to the projecting locking element (21, 71) of the opposite surface.</p> |
