| 摘要 |
<p>Moulder comprises a pair of matching dies with two intermediate elements and a perforated disc, with cylindrical supports, engaging telescopic moving supports. To increase performance, a pressure reducer and a closed liquid tank, supplement a nonreturn valve, and pressured measurement and limiting means. Pref. preliminary pressure on an elastic element in the tank, gives controlled compression for direct or reverse extrusion.</p> |
