METHOD FOR MANUFACTURING DOUBLE CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide a method for manufacturing a double container capable of preventing a gap from being generated between the upper end of an outer container of the double container and a curling part of an inner container. SOLUTION: Before the outer container 10 and the inner container 20 are joined by making the single end part 13 of the outer container 10 adjacent to the curling part 23 of the inner container 20, the curling part 23 of the inner container 20 is crushed beforehand in relation to the vertical direction of the inner container 20. COPYRIGHT: (C)2008,JPO&INPIT