| 摘要 |
PCT No. PCT/DE89/00049 Sec. 371 Date Nov. 17, 1989 Sec. 102(e) Date Nov. 17, 1989 PCT Filed Jan. 30, 1989 PCT Pub. No. WO89/07024 PCT Pub. Date Aug. 10, 1989.In a process for producing mouldings, into whose interior is introduced a medium, particularly for producing core boxes for core shooting, in the mould cavity are provided ventilating holes or vents which are occupied by nozzles. During the moulding of the moulded part or a core member arranged therein, particularly the core box, at least one insert is inserted, whose shape corresponds to that of the nozzle. After the moulding of the core box the insert is removed and replaced by the nozzle.
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