| 摘要 |
<p>Title of the Invention: "Improvements in or relating to the production of surfacing units" The invention is concerned with the problem of holding in place a plurality of bricks, stones, tiles or the like while they are being assembled into a pre-formed panel for subsequent incorporation into a building or like structure. It has been discovered that the elements can be frozen into place on a water-saturated base surface without any detrimental effect on the setting characteristics of the mortar or other adhesive used to bind the elements. The invention also provides apparatus for carrying out the method.</p> |
