Pipe coupling with leakage draining means

Details Pipe coupling with leakage draining means Pipe coupling with leakage draining means

1990-11-29

1992-03-10

Reese, Randolph A.

Pipe joints or couplings

With leakage or drip disposal

Weep holes

285190, 285276, 2853344, F16L 2700

Patent

active

050944800

ABSTRACT:
A pipe coupling between the two pipes comprises a first end member at the end of the first pipe having a rearwardly facing shoulder and a sealing surface at its leading end, a second end member at the end of the second pipe having an external screw-threaded portion and a sealing surface at its leading end, and a clamping ring comprising an internal screw-threaded portion screwed onto the second end member and an inwardly directed collar butting against the shoulder of the first end member to hold the sealing end surfaces of the first and second end members in engagement with each other, the clamping ring defining a collection chamber for leakage from between the sealing surfaces and having an outlet port for draining away the collected leakage. The clamping ring is formed by two parts assembled so as to be freely rotatable relative to each other, the first part carrying the collar and surrounding portions of the first and second end members with sealing means therebetween, and the second part carrying the internal screw-threaded portion.

REFERENCES:
patent: 2263655 (1939-01-01), Stettner
patent: 2443394 (1944-05-01), LeClair
patent: 3244440 (1966-04-01), Ashton et al.
patent: 4185462 (1980-01-01), Morse, II et al.
patent: 4422675 (1983-12-01), Norris et al.
patent: 4626004 (1986-12-01), Geberth, Jr.
patent: 4679829 (1987-07-01), Yanagisawa

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