发明名称 |
Nozzle assembly for rotary drill bit and method of installation. |
摘要 |
<p>A rotary drill bit (10) has a nozzle assembly (24) positioned within a nozzle bore (22). Nozzle assembly (24) has a nozzle member (34) with a port (40) deviated from the longitudinal axis of the nozzle member (34). A retaining nut (54) is threaded within the threaded bore (22) while the nozzle member (34) is held against rotation thereby to maintain the port (40) in a predetermined rotational position upon final installation.</p> |
申请公布号 |
EP0325845(A1) |
申请公布日期 |
1989.08.02 |
申请号 |
EP19880310965 |
申请日期 |
1988.11.21 |
申请人 |
REED TOOL COMPANY |
发明人 |
THOMPSON, CHARLES M. |
分类号 |
B05B15/06;B25B9/00;B25B13/02;B25B13/48;E21B10/60;E21B10/61;E21B10/62 |
主分类号 |
B05B15/06 |
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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