发明名称 Ink reservoir for writing refill
摘要 An ink reservoir for an ink refill has a stalk-like front portion, a tubular body portion, and a transitional portion between the stalk-like front portion and the tubular body portion. The transitional portion has a tapered inner surface tapered gently from a boundary between the tubular body portion and the transitional portion toward the stalk-like front portion.
申请公布号 US2002118264(A1) 申请公布日期 2002.08.29
申请号 US20020080584 申请日期 2002.02.25
申请人 FUKUSHIMA MAKOTO 发明人 FUKUSHIMA MAKOTO
分类号 B43K5/14;B43K7/02;(IPC1-7):B41J2/175 主分类号 B43K5/14
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