| 发明名称 |
CLEANING METHOD OF A PIPE LINE BY USE OF SPECIFIC PIG |
| 摘要 |
PURPOSE:To use a part of pressurized gas for transfer of a pig so as to blow away foreign matters present inside a pipe or attaching thereto while advancing the pig inside the pipe. |
| 申请公布号 |
JPS5220668(A) |
申请公布日期 |
1977.02.16 |
| 申请号 |
JP19750095878 |
申请日期 |
1975.08.08 |
| 申请人 |
NIPPON KOKAN KK |
发明人 |
ISOBE KENJIROU;MIZUNUMA SHINTAROU |
| 分类号 |
B08B9/053;B08B9/04 |
主分类号 |
B08B9/053 |
| 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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