Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...
Reexamination Certificate
2006-01-17
2006-01-17
El-Arini, Zeinab (Department: 1746)
Cleaning and liquid contact with solids
Processes
Including application of electrical radiant or wave energy...
C134S018000, C134S022100, C134S022110, C134S022120, C134S022150, C134S022180, C134S021000, C134S030000, C134S037000
Reexamination Certificate
active
06986815
ABSTRACT:
A method of clearing residue from a fluid conduit includes commencing flush fluid flow through the fluid conduit and injecting a first fluid into the fluid conduit at a first point to induce turbulent flow of the flush fluid. The first fluid is preferably a gas. The method further includes sampling the flush fluid downstream of the first point to confirm the residue is adequately cleared from the fluid conduit.
REFERENCES:
patent: 2222516 (1940-11-01), Powell et al.
patent: 3531323 (1970-09-01), Carpenter et al.
patent: 4922937 (1990-05-01), Bloch
patent: 5322571 (1994-06-01), Plummer et al.
El-Arini Zeinab
Harness Dickey & Pierce
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