Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1985-12-31
1990-09-18
Davis, Curtis R.
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134 3, 134 10, 134 2218, 134 251, 134 254, 134 26, 134 27, 134 32, 134 33, 134 34, 134 38, 134 41, 134107, 134166R, B08B 900
Patent
active
049575660
ABSTRACT:
A method and means is provided for cleaning of drums with interior linings wherein sulfuric acid is utilized. The process of the present invention is especially suitable for cleaning epoxy, phenolic, epoxy phenolic linings and other linings from steel drums. In certain instances chains may be used in conjunction with the cleaning process.
REFERENCES:
patent: 3033024 (1962-05-01), Kradoska
patent: 3084076 (1963-04-01), Loucks
patent: 3615822 (1971-10-01), Molinari
patent: 3798066 (1974-03-01), Evans
patent: 4314856 (1982-02-01), Steinel
Evans Ronald J.
Hamilton Janice E.
Davis Curtis R.
Levy Sherman
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