| 摘要 |
A button includes a button body and a tack member for attachment of the button to a garment fabric. The button body includes an annular brace holding a button back and a head plate peripherally together. The head plate is made of a die-cast zinc having its front surface exposed to view. The annular brace and the buton back are made of a metal plate having a high ductility conducive to prolonged service life. |
