发明名称 BALL FOR BALL-POINT PEN AND BALL-POINT PEN
摘要 <p>To provide a ball for a ball-point pen and to provide a ball-point pen with the use of it which are superior in abrasion resistance and lubricating ability and can be manufactured easily. A ball 2 for a ball-point pen is made of a material of stainless steel whose surface is formed with a nitrosulphurized layer, or a ball 2 for a ball-point pen is made of a material of aluminum chrome molybdenum steel whose surface is formed with a nitrosulphurized layer. A ball-point pen utilizing such a ball has superior writing qualities. &lt;IMAGE&gt;</p>
申请公布号 EP1193082(A1) 申请公布日期 2002.04.03
申请号 EP20000931675 申请日期 2000.06.02
申请人 SUWANETSUKOGYO CO., LTD. 发明人 MIYASAKA, YOSHITO;KARASAWA, HITOSHI
分类号 B43K1/08;B43K7/00;(IPC1-7):B43K1/08 主分类号 B43K1/08
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