Collection tank

Details Collection tank Collection tank

2006-10-06

2010-11-23

Grosso, Harry A (Department: 3781)

Receptacles

Closures

Motor driven

C049S340000

Reexamination Certificate

active

07837050

ABSTRACT:
A collection tank for use in a vacuum operated earth reduction system, the collection tank comprising a closed first end, an open second end defining a tank sealing flange and a body extending between the closed first end and the open second end. An internal chamber defined by the body, the closed first end and the open second end has a door coupled to the open second end and is configured to releasably seal the open second end. An automated door closer is coupled to a center of the door, wherein the automated door closer provides a closing force at the center of the door so that the closing force is equally distributed about a periphery of the door to seal the door against the tank sealing flange.

REFERENCES:
patent: 2639601 (1953-05-01), Miller
patent: 4119238 (1978-10-01), Ali Ja'afar et al.
patent: 4334633 (1982-06-01), Piegza
patent: 5092963 (1992-03-01), Barker et al.
patent: 5191993 (1993-03-01), Wanger et al.
patent: 6470605 (2002-10-01), Gilman et al.
patent: 6615849 (2003-09-01), Gilman et al.
patent: 2006/0117612 (2006-06-01), Maybury
Reiman & Georger Corp.—Web Site Brochure for Hydra Core Drill.

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