| 发明名称 |
VALVOLA CON MOZZO BORDATO E CONSALDATURA DI TESTA A PENETRAZIONE COMPLETA SUL CORPO |
| 摘要 |
<p>In a valve structure wherein a cylindrical hub extends through a circular opening in the valve body into the interior, the metal around the opening is swaged outward to form a generally cylindrical weld joint portion and the hub has a skirt around it with an annular edge which is disposed adjacent to and aligned with the annular end of the swaged joint portion. A full penetration butt weld between the two annular edges secures the hub in place.</p> |
| 申请公布号 |
IT1121064(B) |
申请公布日期 |
1986.03.26 |
| 申请号 |
IT19790023104 |
申请日期 |
1979.05.29 |
| 申请人 |
GROVE VALVE AND REGULATOR CO. |
发明人 |
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| 分类号 |
F16K3/02;F16K27/04;F16K27/10;(IPC1-7):F16K/ |
主分类号 |
F16K3/02 |
| 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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