A torsional vibration reduction device for a torque converter, the torsional vibration reduction device comprising: rolling elements configured to be disposed inside the torque converter, the rolling elements being configured to swing according to variation in torque of the torque converter; a plate (50;108;128) including rolling chambers that house the rolling elements, the rolling chambers being configured such that the rolling elements swing inside the rolling chambers; and a cover (52;81;102;122) configured to shield the rolling elements and the plate (50;108;128) from a working fluid inside the torque converter, the cover (52;81;102;122) including a first cover (54;82;104;124) and a second cover (56;84;106;126), the first cover (54;82;104;124) and the second cover (56;84;106;126) being joined together with the plate (50;108;128) held between the first cover (54;82;104;124) and the second cover (56;84; 106; 126), characterized by the first cover (54;82;104;124) and the second cover (56;84;106;126) being configured to be in contact with the plate (50;108;128) in an axial direction of the torque converter at parts that are, with respect to an axis of the torque converter, on an inner peripheral side and on an outer peripheral side from positions in the plate (50;108;128) at which the rolling elements are housed, surfaces of the first cover (54;82;104;124), the second cover (56;84;106;126), and the plate (50;108;128) in contact with each other being at least partially joined together by welding, wherein the first cover (54;82;104) and the second cover (56;84;106) are oil-tightly joined together so as to house the rolling elements and the plate. rolling elements configured to be disposed inside the torque converter, the rolling elements being configured to swing according to variation in torque of the torque converter; a plate (50;108;128) including rolling chambers that house the rolling elements, the rolling chambers being configured such that the rolling elements swing inside the rolling chambers; and a cover (52;81;102;122) configured to shield the rolling elements and the plate (50;108;128) from a working fluid inside the torque converter, the cover (52;81;102;122) including a first cover (54;82;104;124) and a second cover (56;84;106;126), the first cover (54;82;104;124) and the second cover (56;84;106;126) being joined together with the plate (50;108;128) held between the first cover (54;82;104;124) and the second cover (56;84; 106; 126), characterized by the first cover (54;82;104;124) and the second cover (56;84;106;126) being configured to be in contact with the plate (50;108;128) in an axial direction of the torque converter at parts that are, with respect to an axis of the torque converter, on an inner peripheral side and on an outer peripheral side from positions in the plate (50;108;128) at which the rolling elements are housed, surfaces of the first cover (54;82;104;124), the second cover (56;84;106;126), and the plate (50;108;128) in contact with each other being at least partially joined together by welding, wherein the first cover (54;82;104) and the second cover (56;84;106) are oil-tightly joined together so as to house the rolling elements and the plate.