| 摘要 |
PROBLEM TO BE SOLVED: To render a relatively large button (for a coat, for example) directional in the unsticking. SOLUTION: This snap button comprises a male snap member 10 having a male engaging member 12 and a female snap member 30 having a female engaging member 32. The male engaging member 12 has an annular ring 20 having interrupted parts 21 on an engaging surface thereof, and an extremity of this annular ring 20 becomes eccentric to form a bulge edge part 22. The female engaging member 32 has an annular ring 33 to engage with the male engaging member 12 on an engaging surface thereof, and an extremity of this annular ring 33 is at least partially protruded inwardly to form a bulge edge part 39.
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