Hang-free thread design
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United States of America Patent
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Issued Date -
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app pub date -
Feb 14, 2006
filing date -
Nov 21, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A threaded pin and box connection having thread geometries and/or dissimilar thread fits that prevent the pin thread of a connection from hanging up in the box thread as the pin is being stabbed into or destabbed from the box. Dissimilar geometries and/or threads include dissimilar thread types, dissimilar leads, overlapping leads, thread tooth widths of one component greater than thread grooves of the other component, multiple start threads, and combinations thereof.
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