Mechanical gas vent

Details Mechanical gas vent Mechanical gas vent

1996-02-01

1999-01-26

Suchfield, George

Hydraulic and earth engineering

Subterranean waste disposal, containment, or treatment

With treatment of waste

405128, 588249, 137587, B09B 100

Patent

active

058631526

ABSTRACT:
A gas vent closing device that incorporates the use of a base member that is secured to a liner disposed over a collection pit. The base member includes a vented lower grate that allows for the passage of gaseous fumes therethrough. A cap member is slidably coupled with respect to the base member. The cap member can be seated within the base member after a desired amount of time in order to seal the pit and preclude the passage of the gaseous fumes.

REFERENCES:
patent: 355033 (1886-12-01), Schuetz
patent: 688256 (1901-12-01), Mitchell
patent: 1556001 (1925-10-01), McBride
patent: 2233125 (1941-02-01), Gill
patent: 3486528 (1969-12-01), De Frees
patent: 4335978 (1982-06-01), Mutch
patent: 4672366 (1987-06-01), Butts
patent: 4838733 (1989-06-01), Katz
patent: 5120161 (1992-06-01), Faussone
patent: 5562586 (1996-10-01), Hyde-Smith
patent: 5641245 (1997-06-01), Pemberton et al.

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