Method of and apparatus for producing molds and mold sections and cores
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United States of America Patent
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Mar 7, 1989
Grant Date -
N/A
app pub date -
Feb 3, 1988
filing date -
Jun 4, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method of producing cores for foundry purposes, with the cores being composed of at least two core sections and being firmly joined with one another, the individual core sections are molded separately in a core mold composed of at least two mold sections. At the end of a molding process for the individual mold sections, their core mold is opened in such a manner that the core section remains connected with a mold section. Then the individual core sections to be joined, together with their mold sections, are moved into an assembly position and are joined together by defined relative movements of the mold sections with respect to one another. After the joining process, the one mold section is released first and then the assembled core is ejected from the other mold section.
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