Bell and spigot joint with locking strap
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United States of America Patent
Stats
-
May 25, 2004
Grant Date -
Dec 25, 2003
app pub date -
Jun 20, 2002
filing date -
Jun 20, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Aligned circumferential grooves between a bell and spigot form a passage for receiving a locking strap that is insertable into the passage through an entrance opening in the wall of the bell. The locking strap has at least one projection adjacent the tail end portion thereof for engaging a surface of the passage to resist withdrawal of the locking strap from the passage. The entrance opening and the tail end portion of the locking strap have cooperating abutment and shoulder surfaces to releasably lock the strap within the passage.
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