| 摘要 |
<p>The invention relates to a device for closing up the grooves in the tops of the front and rear tables of a machine for sawing materials in sheets, these grooves being perpendicular to the sawing-line. This closing device is characterized by the fact that it comprises, for each groove (9), an obturator (13) activated by means of propulsion (20, 21, 34) and subjected to a vertical course to fit into the groove (9) of the table (5, 6).</p> |
