| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a sealed rectangular storage battery with small size and high capacity of which, variation of an external case caused by swelling, is restrained, and to provide a manufacturing method of the same. <P>SOLUTION: For the sealed rectangular storage battery, a variation quantity of the external case caused by swelling generated when inner pressure of the battery is increased, is reduced by installing oblong and concave-shaped curved wires 3 parallel with a long side, at the inside of two sides constructing the end parts of long sides of two main surfaces 1A facing each other and having largest area among all side surfaces of the rectangular external case, excluding the neighboring area of two sides constituting the end parts of short sides. <P>COPYRIGHT: (C)2003,JPO</p> |
