Donald L Peters

US Patent:

43866379, Jun 7, 1983

Filed:

Jul 13, 1981

Appl. No.:

6/282889

Inventors:

William T. Buchanan - Oak Brook IL
Frances C. Pocius - Lombard IL
Donald L. Peters - Naperville IL

Assignee:

Nalco Chemical Company - Oak Brook IL

International Classification:

B67C 900
B67C 106

US Classification:

141 65

Abstract:

An apparatus for safely slug feeding hazardous chemicals from conventional 55 gallon drums comprising a calibrated dip tube adapted to be moved in an up and down liquid-tight relationship through a first bung hole of the drum, a feed line adapted to remove liquid through the calibrated dip tube, check valve means adapted to prevent the flow of liquid into the drum, vacuum-producing means adapted to withdraw fluid from the drum through the dip tube, feed line, and check valve, and cleaning means adapted to be partially positioned within the drum through a second bung opening, said cleaning means including a spray nozzle positioned within the drum and air ventilation means outside of the drum, said spray means being adapted to receive a source of cleaning fluid under pressure. The dip tube may be fitted with a means for preventing its upward movement.