Flexible tubing coupling
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United States of America Patent
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-
Jun 1, 1982
Grant Date -
N/A
app pub date -
Aug 27, 1980
filing date -
Aug 27, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible tubing coupling employs ferrules at the tubing ends, each ferrule being connected to an annular end fitting by way of a bellows. The end fittings are statically secured together by retainer halves encircling the end fittings and captured there by a rigid ring. Engagement between ferrule rims and inner spherical surfaces on the retainer halves prevent undue extension and deflection of the bellows while maintaining a uniform stress distribution on the coupling components. Various end fitting static seal configurations are also disclosed.
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