Invention Application
- Patent Title: METHOD FOR MAKING A BUNG FOR A METAL CASK
- Patent Title (English): Method for making a bung for a metal cask
- Patent Title (中): 用于制造金属铸件的方法
-
Application No.: PCT/FR2001/000158Application Date: 2001-01-18
-
Publication No.: WO01053021A3Publication Date: 2002-02-07
- Main IPC: B21D51/38
- IPC: B21D51/38 ; B21D22/26 ; B21D51/18 ; B21D51/40 ; B23G1/16 ; B23G7/02
Abstract:
The invention concerns a method for making a threaded bung for a thin-walled metal cask. The invention is characterised in that it consists in: forming a shaft (14) by dimpling the cask wall (11) and forming a thread inside said shaft, preferably by roller (18) tapping.
Information query
