UPPER STRUCTURE OF FEMALE SNAP FASTENER, FEMALE SNAP FASTENER, AND METHOD FOR ATTACHING FEMALE SNAP FASTENER TO MATERIAL

摘要

An upper structure (310) of a female snap button (300) includes a post holding member (110) for holding a post (12) of a male snap button (10), and a receiving member (210) for receiving the post holding member (110). The receiving member (210) includes a surrounding wall (220) that extends in an up and down direction to surround the post holding member (110), a bottom portion (230) that is coupled to a lower end of the surrounding wall (220) and provided inward of the surrounding wall (220), and a peripheral portion (240) that is coupled to an upper end of the surrounding wall (220) and provided outward of the surrounding wall (220). An opening (260) is defined by a rim (250) between the upper end of the surrounding wall (220) and the peripheral portion (240).