Abstract: A method comprises compression-moulding plastics to obtain objects by a moulding apparatus, said moulding apparatus being provided with a punch device and with a die device, said die device comprising a die body and a bottom element mutually cooperating to define a portion of a forming cavity, said moulding comprising reciprocally moving said die device and said punch device, there being furthermore provided driving said bottom element independently of said punch device and of said die device; an apparatus for compression-moulding plastics to obtain objects comprises a die device provided with a die-body device and with a bottom-element device mutually cooperating to define a portion of a forming cavity device, fluid-operating means arranged to reciprocally move said bottom-element device and said die-body device and a passage device arranged to convey said fluid-operating means, said passage device comprising a throttle device.