Tube couplings

Details Tube couplings Tube couplings

1989-03-22

1990-09-25

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Guide and support

285322, 285331, F16L 3500

Patent

active

049588583

ABSTRACT:
The disclosures relates to a tube coupling comprising a coupling body (11) having a throughway (12) to receive a tube (15) from one open end to be locked in the coupling body by a collet (18) having resilient fingers (20) engageable with a tapered cam surface (17) adjacent the open end of the body to press the arms against the tube to lock the tube in the coupling body.
The coupling body has an internal integral sleeve (25) extending concentrically along the thoughway to engage in the tube where the tube is engaged by the fingers of the collet. The sleeve has an integral internal cruciform to support the walls of the sleeve against the pressure imposed thereon by the arms of the collet acting through the tube. The end of the cruciform projects from the end of the sleeve adjacent the open end of the coupling body and tapes to an arrow-shaped head (27) to facilitate insertion of the tube over the sleeve into the coupling body.

REFERENCES:
patent: 3466065 (1969-09-01), Acker et al.
patent: 4201406 (1980-05-01), Dennehey et al.

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