COIL OPENER FACILITY, AND END-OPENING METHOD OF METAL STRIP USING COIL OPENER FACILITY

摘要

To provide a simple coil opener facility capable of suppressing generation of a flaw on the coil outer circumference at an end-opening time of the coil; and to provide an end-opening method of a metal strip using the coil opener facility.SOLUTION: A coil opener facility includes an opener arm for end-opening the tip of a metal strip wound in a coil form. In the coil opener facility, as for a tip shape of the opener arm, a contact surface with the metal strip in a width direction of the metal strip has a projecting shape.SELECTED DRAWING: Figure 3