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
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