METHOD OF CAST ORIENTED BLOW MOULDING AND DEVICE FOR ITS REALIZATION Russian patent published in 1998 - IPC

FIELD: cast oriented blow moulding. SUBSTANCE: cast moulding of N (≥) blanks is carried out in the device; the blanks are extracted from cavity mould at a relatively high temperature. In the process of blank cooling the blanks are transferred to the blank discharge unit by means of a core mould. After the blanks are cooled down to a temperature at which they may be discharged the blanks are discharged from the core mould. In the transfer unit out of simultaneously moulded N blanks simultaneously transferred to the blow moulding section are n blanks (≤) in the course of transfer operation. In the blow moulding section each blank is transferred by the carrier through the heating unit and accumulating unit to the blow moulding unit. In the blow moulding unit n bottles are simultaneously blown out of n blanks. EFFECT: reduced cycle of cast moulding, enhanced efficiency of use of cavities for blowing. 39 cl, 38 dwg