Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Reexamination Certificate
2007-01-09
2007-01-09
El-Arini, Zeinab (Department: 1746)
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
C134S022180, C134S024000, C134S026000, C134S034000, C134S036000, C134S198000, C134S019000
Reexamination Certificate
active
10994562
ABSTRACT:
A method, system and apparatus for cleaning a tank through the use of a pair of spray heads arranged in operable communication with a pump via a pair of hose lines. One of the spray heads is operable to disperse a heated mist of cleaning solution, while the other spray head is operable to dispense a jet stream of the cleaning solution. The spray heads can be arranged in a closed loop, recirculating flow of the cleaning solution between the pump and the spray heads, or an open loop. Each hose line has a valve to control the flow of the cleaning solution therethrough so that the spray heads can operate independently from one another.
REFERENCES:
patent: 5711819 (1998-01-01), Miyasaki
patent: 6557566 (2003-05-01), Rudolfs
patent: 2003/0205247 (2003-11-01), Lengling et al.
El-Arini Zeinab
Reising Ethington Barnes Kisselle P.C.
ReNew Systems, Inc.
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