| 摘要 |
<p>THE PRESENT INVENTION GENERALLY RELATES TO A PAVING BLOCK AND MORE PARTICULAR TO A RUBBERIZED CONCRETE PAVING BLOCK AND PROCESS OF MAKING SAME. AN IMPROVED RUBBERIZED CONCRETE PAVING BLOCK OF PRESENT INVENTION GENERALLY COMPRISES CEMENT, SAND, AGGREGATES, ADDITIVES AND RUBBER. OTHER ADDITIVES SUITABLE FOR USE IN CEMENTING OPERATIONS MAY ALSO BE ADDED IF DESIRED. PREFERABLY, THE RUBBER IS IN FORM OF RUBBER CRUMBS RECOVERED FROM SCRAP.</p> |
