发明名称 |
GLASPRAEZISIONSVENTIL UND VERFAHREN ZUR HERSTELLUNG DESSELBEN |
摘要 |
<p>A glass precision valve for use in liquid measuring instruments, the valve comprising a valve body having a conically sharpened head slidably accommodated in a bulged portion, which includes glass tubes at opposite ends, a valve seat provided by the inside wall of the bulged portion, the surface of the valve seat allowing the conically sharpened head of the valve body to be slidable in a liquid-tight manner, and the valve body including a ring-shaped groove around its axis, the ring-shaped groove being filled with an elastic material.</p> |
申请公布号 |
DE3538307(A1) |
申请公布日期 |
1986.05.07 |
申请号 |
DE19853538307 |
申请日期 |
1985.10.28 |
申请人 |
TOA MEDICAL ELECTRONICS CO.LTD.;THOM,REINHARD |
发明人 |
FUJIMOTO,KEIJI;THOM,REINHARD |
分类号 |
F16K1/34;B23P15/00;C03B23/04;F16K1/38;F16K5/02;F16K15/02;F16K27/02;(IPC1-7):F16K1/12;F16K15/06;B01L3/00;F16K27/00 |
主分类号 |
F16K1/34 |
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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