Drainage collective pipe joint

Details Drainage collective pipe joint Drainage collective pipe joint

1998-07-21

2000-05-02

Brinson, Patrick

Pipes and tubular conduits

With flow regulators and/or baffles

Flow facilitating

138 37, 366337, 2851291, F16L 4100

Patent

active

060560142

ABSTRACT:
The invention relates to a drainage collective pipe joint where wastewater flowing in a collective housing of multiple floors is subjected to swirl flow and is allowed to flow down. The drainage collective pipe joint comprises an upper vertical pipe connection port to connect an upper vertical pipe, a main body part having a taper pipe part formed in downward taper shape at lower side and installed at lower side of the upper vertical pipe connection port, a lower vertical pipe connection port installed at lower side of the main body part and capable of connecting a lower vertical pipe, at least one horizontal branch pipe connection port installed at the main body part and connected a horizontal branch pipe, and a plurality of drainage flow control guides projected from an inner circumferential wall at lower side of the horizontal branch pipe connection port of the main body part and capable of controlling the drainage flow. The plurality of drainage flow control guides comprise at least one upper drainage control guide installed at upper side in the pipe direction and at least one lower drainage flow control guide installed at lower side in the pipe axial direction.
According to the drainage collective pipe joint, the flowing-in wastewater is prevented from flowing reversely into the horizontal branch pipe and the wastewater is reduced in flow rate and swirled and the fluctuation of the air pressure in the drainage system can be suppressed.

REFERENCES:
patent: 630605 (1899-08-01), Gordon
patent: 2065789 (1936-12-01), Bolsinger
patent: 2246871 (1941-06-01), Balch
patent: 2280195 (1942-04-01), Long
patent: 2566654 (1951-09-01), Collison et al.
patent: 3346887 (1967-10-01), Sommer
patent: 3894302 (1975-07-01), Lasater

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