| 发明名称 |
GAS COCK |
| 摘要 |
PROBLEM TO BE SOLVED: To reduce a flow resistance to gas flowing through a gas cock. SOLUTION: In a gas passage 11 which is formed in a cock body 1, the downstream end section of a downstream section 11B from a valve body 5, is provided with a tapered hole section 11a whose diameter becomes large as it goes downstream from the upstream side.
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| 申请公布号 |
JP2002130505(A) |
申请公布日期 |
2002.05.09 |
| 申请号 |
JP20000318959 |
申请日期 |
2000.10.19 |
| 申请人 |
TOKYO GAS CO LTD;TOHO GAS CO LTD;KOYO SANGYO KK |
发明人 |
OKUBO ATSUSHI;HIROMATSU YUKA;HAYASHI MICHIO;HOSAKA SANKEI |
| 分类号 |
F16K27/06;F16K5/02;F16K27/00;F16L27/08;(IPC1-7):F16K27/06 |
主分类号 |
F16K27/06 |
| 代理机构 |
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