发明名称 |
Shut off seal about a shaft of a device having a side entry into a tank |
摘要 |
A shut off seal in a device having a rotatable shaft extending through a nozzle side entry structure of a tank is provided by means of a slidable stuffing box housing which can be moved by jack screws into engagement with a sealing collar fastened to the shaft inboard of the housing. The arrangement enables the changing of the packing about the shaft without draining the tank.
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申请公布号 |
US4878677(A) |
申请公布日期 |
1989.11.07 |
申请号 |
US19880284556 |
申请日期 |
1988.12.15 |
申请人 |
HYDROCHEM DEVELOPMENTS LTD. |
发明人 |
LARKINS, DAVID J.;SCHNEIDER, JOHN C. |
分类号 |
B01F15/00;F16J15/00;F16J15/18 |
主分类号 |
B01F15/00 |
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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