| 摘要 |
Process which consists in conveying wax to the outside via a nozzle 5, provided with a diffuser outlet 6, mixed with pressurised air via pipes 7' and 8', the diffuser outlet 6 being closed by means of a sealing lug, closure being generated by pressurised air contained in a tank 9 and arriving at the nozzle 5 by means of a hose 9'. <IMAGE>
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