Threaded tubular connection
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United States of America Patent
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-
May 28, 1991
Issued Date -
N/A
app pub date -
Feb 24, 1989
filing date -
Jul 18, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tapered threaded tubular connection is depicted (20) that is formed and dimensioned so as to prevent cross-threading of pin 4 with box 7 when at stab position as at 54 of FIG. 5. As shown in FIG. 6, the stab depth is sufficiently great such that pin and box thread crests contact as at (47) to thereby limit angular mis-alignment to be less than the angular mis-alignment required to permit pin thread crest (55) to pass box thread crest (56) which is it did pass, would effect cross-threading of the connection.
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Cited Art Landscape
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