Low profile high capacity inside drop for a manhole

Details Low profile high capacity inside drop for a manhole Low profile high capacity inside drop for a manhole

1999-12-14

2000-10-24

Chambers, A. Michael

Fluid handling

With casing, support, protector or static constructional...

Static constructional installations

137372, 137561A, 52 20, 52 21, B02D 2912

Patent

active

061351415

ABSTRACT:
A system for joining an expansion line to a main line of a sanitary sewage or storm sewage system. The system of the present invention joins an expansion line to a main line while reducing the amount of required excavation and minimizing the obstruction of a high capacity drainage line extending vertically within a manhole system.

REFERENCES:
patent: 3212519 (1965-10-01), Paschen
patent: 3662918 (1972-05-01), Crawford et al.
patent: 3714961 (1973-02-01), Davidson et al.
patent: 4023590 (1977-05-01), Harris et al.
patent: 4566483 (1986-01-01), Ditcher
patent: 4805920 (1989-02-01), Gavin
patent: 4887933 (1989-12-01), Schaier
patent: 5553973 (1996-09-01), Duran

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