Patent ID: 6192968
Filing Date: 2001-02-27
Classification: B05B,B22D

Abstract:
Process for preparing the mold walls (12a, 12b) of a mold (12) for the molding or shaping of a molded part after completion of a molding cycle and the removal of the molded part from the mold to make the walls ready for the next molding cycle, comprising the following steps:(a) bringing the mold walls (12a, 12b) to a desired elevated temperature; and(b) applying a mold wall treatment agent to the mold walls (12a, 12b), wherein the steps (a) and (b) are carried out in the sequence indicated and independently of each other, where, in step (a), the supply of heat to, or the removal of heat from, the mold walls (12a, 12b) is carried out in a controlled manner (20a), as a function of the process conditions and/or the environmental conditions; and in that in step (b), the mold wall treatment agent is applied in a controlled manner (20b), andwherein the ready-to-use mold wall treatment agent, which is taken without dilution from a transport container (56, 58) and applied to the mold walls (12a, 12b), andwherein the ready-to-use mold wall treatment agent contains at least 98 wt. % of substances with lubricating and release properties and no more than 2 wt. % of auxiliary materials selected from at least one of the group consisting of bactericides, emulsifiers, and solvents.