| 摘要 |
<p>In a sandblasting machine comprising a tank (2) for containing a mass of sand, equipped with an outfeed opening (6) and a substantially T-shaped connecting element (7), comprising a tank outfeed (6) tubular sleeve (12) and a tubular sleeve (13) transversal to the sleeve (12) and connected at a first end by a duct (8) to a source of compressed air (9) and at the second end, by a hose (10), to a nozzle (11) for dispensing a flow (F) of sand, there is, at the sleeve (12) upstream of the sand flow (F) dosing device (16), a pneumatic injector (17). ( Figure 1 ).</p> |
