Button Fastener-Side Die for Attaching Snap Button and Method for Correcting Leg of Button Fastener

A button fastener-side die for attaching a snap button, on which a button fastener is to be set when a snap member is attached to a fabric with the button fastener, the button fastener comprising an annular base defining an opening and a plurality of legs extending from the base, the button fastener-side die comprising:

• a holding part for holding the button fastener and a correcting member for passing through the opening of the base of the button fastener held by the holding part, a pushing member for pushing the correcting member to move in a passing direction toward passing through the opening of the base of the button fastener, and a first spring disposed between the correcting member and the pushing member,
• wherein when at least one of the legs of the button fastener is in an abnormal position bent radially inward from a normal position, the correcting member corrects the leg(s) in the abnormal position to be in the normal position as the correcting member is passing through the opening of the button fastener, and
• wherein when the pushing member is in its forefront position in the passing direction, the correcting member reaches its forefront position in the passing direction, by the first spring, where the correcting member is allowed to come into contact with the fabric.