Shrouded tube and coupling therefor

Details Shrouded tube and coupling therefor Shrouded tube and coupling therefor

1979-11-05

1981-10-20

Arola, Dave W.

Pipe joints or couplings

With leakage or drip disposal

Weep holes

285 55, 285175, 285231, 285357, F16L 1902

Patent

active

042956668

ABSTRACT:
A shrouded tube construction including concentric tubes is attached to a cooperating coupling in such a manner as to prevent leakage from either tube, and to provide a resilient, flexible seal that permits a degree of misalignment and permits use of lighter and less expensive material for the coupling and shorter tubes connected thereby.

REFERENCES:
patent: 2560263 (1951-07-01), Wiegand et al.
patent: 3747960 (1973-07-01), Bawa
patent: 3848905 (1974-11-01), Hammer et al.
patent: 3913949 (1975-10-01), Senatro

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