| 摘要 |
<p>A method comprises compression-moulding plastics to obtain objects (9) by mouldmeans (2), said mould means (2) being provided with punch means (11; 111) and withdie means (31, 32; 131, 132), said die means (31, 32; 131, 132) comprising a diebody (31; 131) and a bottom element (32; 132) mutually cooperating to define aportion of a forming cavity, said moulding comprising reciprocally moving saiddie means (31, 32; 131, 132) and said punch means (11; 111), there being furthermoreprovided driving said bottom element (32; 132) independently of said punch means(11; 111) and of said die means (31, 32; 131, 132); an apparatus for compression-mouldingplastics to obtain objects (9) comprises die means (3) provided with die-bodymeans (31; 131) and with bottom-element means (32; 132) mutually cooperatingto define a portion of forming cavity means, fluid-operating means (24) arrangedto reciprocally move said bottom-element means (32; 132) and said die-body means(31; 131) and passage means arranged to convey said fluid-operating means, saidpassage means comprising throttle means (27).</p> |
