Molding tool for preparation of mold structure e.g. inorganic mold core used in manufacture of e.g. cylinder head, has surface area that is arranged in support region so as to mold portion of mold structure

摘要

The tool (10) has a surface area (11) that is arranged in a support region (12) so as to mold a portion of the mold structure. The surface area is formed of machinable material such as plastic or light metal. The surface area is maintained at a moderate temperature with an electrical heating rod (13). A chamber (14) is connected with a fluid balance container (16).