A method for assembling elastic laminates, the method comprising the steps of: providing a first substrate and a second substrate, the first substrate and the second substrate each comprising a first surface (236, 242) and an opposing second surface (238, 244), and defining a width in a cross direction; wrapping the first surface of the first substrate onto an outer circumferential surface of an anvil, the anvil having axis of rotation; providing a first elastic material and a second elastic material, the first elastic material and the second elastic material each comprising a first edge region (216a, 218a) and a second edge region (216b, 218b) separated from the first edge region in the cross direction by a central region (216c, 218c); stretching the central region of the first elastic material in the cross direction on a first spreader mechanism; stretching the central region of the second elastic material in the cross direction on a second spreader mechanism; wherein the first spreader mechanism and the second spreader mechanism are axially and angularly displaced from each other with respect to the axis of rotation of the anvil; advancing the first elastic material onto the anvil at a first application zone, wherein the stretched central region of the first elastic material is positioned in contact with the second surface of the first substrate; advancing the second elastic material onto the anvil at a second application zone downstream of the first application zone, wherein the stretched central region of the second elastic material is positioned in contact with the second surface of the first substrate, and wherein the second elastic material is separated from the first elastic material in a cross direction; advancing the second substrate in a machine direction to position the first surface of the second substrate in contact with the stretched central regions (216c, 218c) of the first and second elastic materials (216, 218) and the second surface of the first substrate on the anvil; forming an elastic laminate by ultrasonically bonding on the anvil the stretched central regions (216c, 218c) of the first and second elastic materials (216, 218) together with the first substrate and the second substrate; and further comprises ultrasonically bonding the first substrate and the second substrate directly together in a central location between the first elastic material and the second elastic material; and cutting the elastic laminate in the central location along the machine direction into a first elastic laminate and a second elastic laminate. providing a first substrate and a second substrate, the first substrate and the second substrate each comprising a first surface (236, 242) and an opposing second surface (238, 244), and defining a width in a cross direction; wrapping the first surface of the first substrate onto an outer circumferential surface of an anvil, the anvil having axis of rotation; providing a first elastic material and a second elastic material, the first elastic material and the second elastic material each comprising a first edge region (216a, 218a) and a second edge region (216b, 218b) separated from the first edge region in the cross direction by a central region (216c, 218c); stretching the central region of the first elastic material in the cross direction on a first spreader mechanism; stretching the central region of the second elastic material in the cross direction on a second spreader mechanism; wherein the first spreader mechanism and the second spreader mechanism are axially and angularly displaced from each other with respect to the axis of rotation of the anvil; advancing the first elastic material onto the anvil at a first application zone, wherein the stretched central region of the first elastic material is positioned in contact with the second surface of the first substrate; advancing the second elastic material onto the anvil at a second application zone downstream of the first application zone, wherein the stretched central region of the second elastic material is positioned in contact with the second surface of the first substrate, and wherein the second elastic material is separated from the first elastic material in a cross direction; advancing the second substrate in a machine direction to position the first surface of the second substrate in contact with the stretched central regions (216c, 218c) of the first and second elastic materials (216, 218) and the second surface of the first substrate on the anvil; forming an elastic laminate by ultrasonically bonding on the anvil the stretched central regions (216c, 218c) of the first and second elastic materials (216, 218) together with the first substrate and the second substrate; and further comprises ultrasonically bonding the first substrate and the second substrate directly together in a central location between the first elastic material and the second elastic material; and cutting the elastic laminate in the central location along the machine direction into a first elastic laminate and a second elastic laminate.