BATTERY PACK CASE, ITS FORMING METHOD AND BATTERY PACK USING THE SAME, ITS FORMING METHOD

摘要

A battery pack case, its forming method and battery pack equipped with the same, its forming method are provided to reduce the flow mark takedown time and to improve the productivity by removing the flow mark formed in a battery pack case with a duplicating punch. A battery pack case is formed by injection molding. The battery pack case is equipped with one or a plurality of holes(555) formed by removing the flow mark formed on the surface of the battery pack case corresponded to the region which is adjacent to the molded gate.