INJECTION MOLD HAVING SEPERABLE CORE FOR FORMING RIB

摘要

PURPOSE: An injection mold having a split-type rib forming core which reduces maintenance costs by replacing a damaged part of a rib forming core is provided to prevent that air is enclosed in the cavity for a rib. CONSTITUTION: An injection mold having a split-type rib forming core comprises an upper core(11), a lower core(21), a cavity(3), and a rib forming core. The lower core is located in the lower side of the upper core. The cavity is formed in the touch of the lower core and upper core. A product(100) is shaped in cavity. The lower core separates from the injection mold. The rib type nature core comprises the cavity for the rib. A plurality of panel portions is combined in order to form the rib type nature core.