High pressure field repair coupling

Details High pressure field repair coupling High pressure field repair coupling

1987-04-06

1988-10-04

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

With expansible chamber means

285255, F16L 1704

Patent

active

047751711

ABSTRACT:
A high pressure hose coupling having a body portion including a cylindrical cavity for acceptance of a piston and means for attachment of an outer ferrule having a conical interior surface; a free sliding inner nipple which carries on its outer periphery an annular piston operative within said cylindrical body cavity; a plurality of wedges; a wedge driving means operating to produce uniform movement of said nipple and wedges into said conical ferrule.

REFERENCES:
patent: 2485976 (1949-10-01), Main
patent: 2940778 (1960-06-01), Kaiser
patent: 3097866 (1963-07-01), Iversen
patent: 3189370 (1965-06-01), Marshall
patent: 3222091 (1965-12-01), Marshall

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