Type unit专利检索- 以铅字或印模的安装布置或排列为特征的打字机或选择性印刷机构专利检索查询-专利查询网

Type unit
申请号	JP8748781	申请日	1981-06-09	公开(公告)号	JPS57203558A	公开(公告)日	1982-12-13
申请人	Nippon Telegr & Teleph Corp ; Sumitomo Bakelite Co Ltd;			发明人	HIRAOKA YUUJI; TAKAHASHI SADAO; OBATA MASAYOSHI;
摘要	PURPOSE:To provide a type unit such as for an impact type for a typewriter or a printer capable of inexpensively increasing the typing lifetime by forming it of a composite material mixed with fiber and particles of silicon carbide and glass fiber reinforced plastic. CONSTITUTION:Silicon carbide fiber, silicon carbide particles and glass fiber are respectively mixed, for example, preferably at a ratio of 10-50% (by weight), 20-60% and 20-50% with plastic such as phenol resin or the like in such a manner that the total amount of the above three contents becomes totally less than 70%. The objective type unit is obtained with the plastic composite material.
权利要求
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