METAL DRUM CASK STOPPER IN WHICH FEMALE AND MALE STOPPERS ARE MADE OF A SINGLE BOARD

摘要

PURPOSE: A metal drum cask stopper is provided, which can produce products in which two kinds of turning process are omitted in the female manufacturing process.;CONSTITUTION: A metal drum cask stopper is constituted as follows. Female(17) and male stoppers are molded at the same process by using one metal plate. The separate original material for manufacturing the male stopper is not necessary. The cutting process can be omitted at the same time completely in the female production process.;COPYRIGHT KIPO 2010