Double-walled metallic vacuum container

摘要

A metallic double-walled vacuum container is provided which improves heat insulating property and resistance to vibration. It has a metallic inner shell and an outer shell. The end face of the inner shell is constricted so as to rise inwardly. The inner end of a mouth pipe is inserted into and joined to the constricted portion to form a mouth portion of the inner shell and the outer end of the mouth pipe is joined to the outer shell.