Piping systems for drainage and piping members therefor

Details Piping systems for drainage and piping members therefor Piping systems for drainage and piping members therefor

1977-02-23

1978-10-24

Hart, Charles N.

Gas separation

Means within gas stream for conducting concentrate to collector

4211, 55199, 137561A, B01D 1900

Patent

active

041219147

ABSTRACT:
A drainage piping system for discharging soil water and waste water from various plumbing fixtures comprises a vertical main pipe and lateral branch pipes connected to the fixtures. To provide a single-pipe confluence system for installation in medium-sized or high buildings without employing a vent pipe to be arranged along the vertical main pipe, the main pipe incorporates at least one twisted pipe portion having an axis helically deviating from the axis of the main pipe.

REFERENCES:
patent: 1186280 (1916-06-01), Carson
patent: 1459585 (1923-06-01), Felton
patent: 2499900 (1950-03-01), Bouldin
patent: 3968815 (1976-07-01), Legg et al.

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