发明名称 |
Printing head for use in dot printers |
摘要 |
A printing head comprises a plurality of printing wires which are disposed in alignment with each other and for reciprocal motion. Each of the printing wires is formed by a main body member made of powdered high speed steel, and a chip member made of a rhenium base alloy and welded to an outer tip end of the main body member by means of partial welding. Further, a wire guide member made of zirconia is provided to guide the wire for reciprocal motion of the wire.
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申请公布号 |
US4687355(A) |
申请公布日期 |
1987.08.18 |
申请号 |
US19850779644 |
申请日期 |
1985.09.24 |
申请人 |
CITIZEN WATCH CO., LTD. |
发明人 |
IKEHATA, TSUTOMU;MASUDA, KATSUYA;YASUNAGA, MAKOTO;MICHIOTO, TAKAO |
分类号 |
B41J2/25;B23K11/00;B23K11/20;B41J2/265;B41J2/275;(IPC1-7):G02F1/35 |
主分类号 |
B41J2/25 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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