| 摘要 |
PROBLEM TO BE SOLVED: To provide a press molding method by which a coil body is securely worked into a prescribed shape in a short time, and also can be fixed to the worked shape, to provide an apparatus therefor, and to provide a method for producing a lithium ion secondary battery. SOLUTION: The application of pressurizing force to the body 2 to be worked for a prescribed time by a lower die 5 and an upper die 9 is performed by the dislocation of a spring 17. |
