APPARATUS AND METHOD FOR FOLDING A SIDE

An apparatus for folding a side extending outward from a cup part in a battery case of a pouch-type secondary battery according to an embodiment of the present invention for solving the above problems includes: a body having a plate shape, adjacent to the side, and disposed to be elongated in a longitudinal direction of the secondary battery, wherein the body includes: a heating part disposed at one side thereof to heat an inner portion disposed at a relatively inner side of the side; and a pressing part disposed at the other side thereof to press an outer portion disposed at a relatively outer side of the side, wherein, when the heating part heats the inner portion, the body rotates to allow the pressing part to press the outer portion.