To provide compound paving stone capable of simply and firmly making compound of natural stone and a concrete block, efficiently carrying out joint formation in the case the paving stone is constructed and having good workability.
In the compound paving stone of the natural stone and the concrete block, the natural stone is placed on the upper part thereof, and in the compound paving stone fixing the concrete block to the lower part thereof, the circumferential side of the natural stone is formed in a fracture-shape having unevenness and, at the same time, two sides at least opposed to each other are combined with an interlocking body forming an inclined plane spreading over the bottom is integrally provided to the lower surface of the natural stone, and it is so characterized that it is formed by burying the interlocking body in the concrete block. The circumferential side of the natural stone is slightly projected from the circumferential side of the concrete block, and one or more joint keeps may be projected to the side.
COPYRIGHT: (C)2007,JPO&INPIT
| WO/2009/095026 | SLIP-STOP |
| JPH1136212 | LIGHT-WEIGHT PAVEMENT MATERIAL |
Katsuhiko Yazaki
Naoki Ueda
Takao Tamaki
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Marie Takahashi
Hirayama Michio
Tetsuhisa Yasunaga
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