METHOD OF AND APPARATUS PREPARING WALLS OF A PERMANENT MOULD FOR USE IN THE NEXT MOULDING CYCLE TO BE PERFORMED AND ELEMENT FOR SPRAYING A MOULD WALL TREATING AGENT ONTO WALLS OF SUCH MOULD

摘要

In a process and in a device (10) for preparing the mold walls (12a, 12b) of a mold (12, 12) for the molding or shaping of a molded part after completion of the molding cycle and after removal of the molded part from the mold (12) to make the mold walls ready for the next molding cycle, the tempering of the mold walls (12a, 12b) and the coating of the walls with mold wall treatment agent are carried out independently of each other, i.e., without any time overlap, and in a controlled manner, preferably in a program-controlled manner. To apply the coating, preferably a spray element with centrifugal atomization and air guidance is used, the mold walls preferably being coated with essentially solvent-free mold wall treatment agent.