| 摘要 |
<p>1. Diamond inserts for a circular saw, particularly for cutting natural stones, intended to be welded to the periphery of a circular cutting disk and formed by a mixture of diamond and a binder, principally in the form of a metal powder, the insert being subdivided into several elements sandwiched together having different diamond concentrations, characterized by the fact that the insert is subdivided into five elements, the two intermediate elements (4, 6) between the central element (5) and the external elements (3, 7) having a lower concentration than that of the other elements, and the central element (5), further having a larger width than the external elements (3, 7).</p> |
