发明名称 BALL-POINT PEN TIP
摘要 PROBLEM TO BE SOLVED: To provide a ball-point pen tip for preventing a ball pressing member from being separated from a center portion of a ball, having a tip opening part of a ball holder which is made uniform, and suppressing blobbing.SOLUTION: A ball-point pen tip comprises ball pressing members 6b and 6C disposed in a state movably in forward and backward directions while the ball pressing members are sandwiched in a through-hole inner wall of a ball holder 2.
申请公布号 JP2014104672(A) 申请公布日期 2014.06.09
申请号 JP20120259948 申请日期 2012.11.28
申请人 PENTEL CORP 发明人 SEKINE KOJI
分类号 B43K1/08;B43K7/00 主分类号 B43K1/08
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