Single tank retrieval system

Details Single tank retrieval system Single tank retrieval system

1998-01-26

2000-02-08

Till, Terrence R.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

152465, 15315, 134167R, B08B 9093

Patent

active

060215437

ABSTRACT:
A retrieval system including a single tank for placement in communication with an underground storage tank in which waste or sludge is stored, the tank having equipment for lowering a remote controlled sludge removal apparatus into the underground storage tank to dislodge and remove sludge or waste from the underground storage tank and convey the sludge or waste to a storage area remote from the underground storage tank. The system can also be utilized to lower other tools into an underground storage tank.

REFERENCES:
patent: 4805650 (1989-02-01), Yasui et al.
patent: 5037486 (1991-08-01), Sloan
patent: 5138741 (1992-08-01), Allen
patent: 5269041 (1993-12-01), Allen
patent: 5335395 (1994-08-01), Allen
patent: 5561883 (1996-10-01), Landry et al.
patent: 5594973 (1997-01-01), Brusseleers et al.
patent: 5640982 (1997-06-01), Landry et al.
patent: 5713101 (1998-02-01), Jackson
patent: 5749384 (1998-05-01), Hayashi et al.

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