| 摘要 |
Provided is a cap ( 41 ) for a button, of which material is a polygonal plate. The cap ( 41 ) includes a main surface covering portion ( 42 ) formed substantially at the center of the polygonal plate and a plurality of holding piece portions ( 44 ) formed by bending corners of the polygonal plate from an outer peripheral end of the main surface covering portion ( 42 ) to a rear surface side of the main surface covering portion ( 42 ). Provided between the main surface covering portion ( 42 ) and the plurality of holding piece portions ( 44 ) is a lateral side covering portion ( 43 ) around the outer peripheral end of the main surface covering portion ( 42 ).
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