Tube coupling

Details Tube coupling Tube coupling

1978-03-09

1980-02-12

Stein, Mervin

Pipe joints or couplings

With fluid pressure seal

With separate, encased pipe-gripping means

285105, 285158, 285249, 285323, 285342, 2853827, F16L 1702, F16L 2108, F16L 3316, F16L 3708

Patent

active

041880510

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 contract the fingers into tight gripping engagement with the tube upon slight withdrawal motion of the tube.

REFERENCES:
patent: 2503169 (1950-04-01), Phillips
patent: 2806538 (1957-09-01), Conrad
patent: 2823935 (1958-02-01), Wurzburger
patent: 3164361 (1965-01-01), Pruett
patent: 3724880 (1973-04-01), Seiler
patent: 3743326 (1973-07-01), Courtot et al.
patent: 3970337 (1976-07-01), Niemeyer
patent: 4043576 (1977-08-01), Reich et al.
patent: 4136896 (1979-01-01), Rodman et al.

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