| 摘要 |
In a powder-supply device for coating by LASER-beam treatment, an expansion chamber (7) is inserted in the conduit (4) leaving the carrier-gas distributing apparatus (3), into which chamber an inlet conduit (8) carrying a powder diffuser (blower) (9) penetrates, the said chamber (7) comprising a conical portion (10) integral with an outlet conduit (11) terminated by a nozzle (15) and a flow-regulatable (12) exhaust conduit (13) on the opposite face (14). …<IMAGE>… |
