Plumbing apparatus

Details Plumbing apparatus Plumbing apparatus

1981-05-04

1982-10-05

Weakley, Harold W.

Fluid handling

With liquid valves or liquid trap seals

Liquid seal in liquid flow line; flow liquid forms seal

13724749, 4207, 4DIG14, 285332, 277205, 277236, F16K 900

Patent

active

043523684

ABSTRACT:
A continuous, synthetic plastic plumbing trap comprising a generally U-shaped tubular structure having a first opening comprising an outer threaded annular rim, which is adapted to form a seal with an outer rim surface of a downstream tubular member, and an inner annular rim which is adapted to form a seal with an inner rim surface of a downstream tubular member, the inner and outer annular rims of the trap opening being so situated as to accommodate any tubular downstream member having a rim which fits between the inner surface of the threaded annular rim and the inner annular rim; and a second opening comprising a threaded annular rim, both said threaded annular rims being adapted to engage fastening means of the same size.

REFERENCES:
patent: 295908 (1884-04-01), Dark
patent: 441691 (1890-12-01), McClellan
patent: 3288472 (1966-11-01), Watkins
patent: 3301576 (1967-01-01), Vigueron

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