CORE PIN HAVING FUNCTION FOR PREVENTING MIXING OF MOLTEN METAL INTO PIPE AND CASTING APPARATUS USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a core pin having a function for preventing mixing of a molten metal into a pipe, and to provide a casting apparatus using the core pin.SOLUTION: A core pin having a function for preventing mixing of a molten metal into a pipe contacts with one end of the pipe inserted into a mold to seal the one end of the pipe.SELECTED DRAWING: Figure 4