Invention Application
- Patent Title: STEP-TO-STEP WEDGE THREAD CONNECTIONS AND RELATED METHODS
- Patent Title (中): 一步一步楔形螺纹连接及相关方法
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Application No.: US12890290Application Date: 2010-09-24
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Publication No.: US20120074693A1Publication Date: 2012-03-29
- Inventor: David Llewellyn Mallis , Gary W. Ward
- Applicant: David Llewellyn Mallis , Gary W. Ward
- Applicant Address: US TX Houston
- Assignee: HYDRIL COMPANY
- Current Assignee: HYDRIL COMPANY
- Current Assignee Address: US TX Houston
- Main IPC: F16L25/00
- IPC: F16L25/00
Abstract:
A threaded connection includes a pin member comprising a first pin step and a second pin step, and pin wedge threads disposed on each of the first and second pin steps and a box member comprising a first box step and a second box step, and box wedge threads disposed on each of the first and second box steps, wherein an axial separation of the first and second pin steps differs from an axial separation of the first and second box steps.
Information query
