Threaded connection makeup method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Sep 25, 2003
app pub date -
Mar 18, 2003
filing date -
Mar 19, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method of making up a pipe connection results in precise axial preload. The pipe connection has a box tubular member and a pin tubular member, each having mating threads and makeup shoulders. The designer determines a desired axial preload interference between the makeup shoulders. Based on this, the designer determines an increment of preload rotation required between the tubular members after initial contact of the makeup shoulders in order to achieve the desired axial preload interference. The tubular members are rotated relative to each other past the initial contact of the makeup shoulders for an amount equal to the increment of preload rotation determined.
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