Hose coupling joint

Details Hose coupling joint Hose coupling joint

1978-10-26

1980-04-15

Callahan, Thomas F.

Pipe joints or couplings

Nonmetal to metal

Internal member

285259, F16L 3322

Patent

active

041980794

ABSTRACT:
A coupling joint for thermoplastic hose comprising a nipple having annular ribs of approximately the same diameter as the hose I.D., for easy insertion into the hose, and a nut of rigid material threaded over the hose O.D. and radially opposite the ribs. The nut has a rounded tapered thread that deforms the hose material to fill the thread and to cause the I.D. of the hose to fill the spaces between the annular ribs. The nipple has a cylindrical portion at its end and the nut has a counterbore at its forward end and the hose is lightly gripped therebetween to avoid sudden stress concentration on the hose at the first rib.

REFERENCES:
patent: 270065 (1883-01-01), Hickman
patent: 578983 (1897-03-01), Green
patent: 1446489 (1923-02-01), Vivarttas
patent: 3032358 (1962-05-01), Rolston
patent: 3177016 (1965-04-01), Holmgren
patent: 3653692 (1972-04-01), Henson
patent: 3788676 (1974-01-01), Lossie

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