Threaded pipe connection having wedge threads
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United States of America Patent
Stats
-
Nov 3, 1987
Grant Date -
N/A
app pub date -
Nov 8, 1985
filing date -
Nov 8, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A threaded pipe connection is disclosed of the wedge-shaped thread type that avoids high stress concentrations in the box between the first thread and the end of the box by making the length of the box between the first thread and the end of the box equal to or greater than 5% of the pipe diameter and by providing clearance between the crest of the first full thread on the box and the root of the last thread on the pin and between the crest of the last full thread on the pin and the root of the first full thread on the box.
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