CORE ASSEMBLY FOR INJECTION MOLDING AND METHOD FOR INJECTION MOLDING USING THE SAME

摘要

Disclosed are a core assembly for injection molding and a method form injection molding using the same. The core assembly for injection molding according to an embodiment comprises: a hollow-pipe shaped first core part having multiple split cores, which is inserted into a mold and is detachable to one side of the mold and is mutually continuously arranged, at the side; a second core part inserted into the mold through the inner part of the first core part, and detachable to the other side of the mold; and a third core part detachable to the one side of the mold and inserted between the first core part and the second core part.