Tube coupling

Details Tube coupling Tube coupling

1979-08-16

1981-11-24

Arola, Dave W.

Pipe joints or couplings

Movable jaw

Wedge bushing

285331, 285104, 285DIG15, F16L 2106

Patent

active

043020364

ABSTRACT:
A preassembled tube coupling into which a tube may be inserted and which automatically grips the tube to prevent withdrawal of the tube. The coupling includes a packing ring for sealing the tube, a sleeve with spring fingers to lightly grip the tube upon insertion of the latter, and a nut with a cam surface to contact the fingers into tight gripping engagement with the tube upon slight withdrawal motion of the tube.

REFERENCES:
patent: 2446051 (1944-04-01), Seamark
patent: 3743326 (1973-07-01), Courtot
patent: 3909046 (1975-09-01), Legris
patent: 3970337 (1976-07-01), Niemeyer
patent: 3999783 (1976-12-01), Legris
patent: 4062572 (1977-12-01), Davis

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