Arrow-shaped thread form for tubular connections
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United States of America Patent
Stats
-
Sep 18, 2012
Grant Date -
Jan 20, 2011
app pub date -
Jun 30, 2010
filing date -
Jul 8, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A thread form is shown which is used to make a threaded pipe connection capable of being screwed together and subsequently unscrewed. A pin member has external threads with stab flanks and load flanks and flat crests and roots for mating with the mating internal threads of a box member to make up a pipe connection. The stab flanks and load flanks form a distinct geometric profile which is arrow-shaped when viewed in profile. The arrow profile can be cut in either of two opposite directions. Each profile includes only two facets with the facets on the stab flank and the facets on the load flank both leaning in the same direction with respect to the longitudinal axis of the pipe, when viewed in profile.
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Cited Art Landscape
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