Cleaning and liquid contact with solids – Apparatus – Automatic controls
Reexamination Certificate
2005-02-08
2005-02-08
Kornakov, M. (Department: 1746)
Cleaning and liquid contact with solids
Apparatus
Automatic controls
C134S094100, C134S102100, C134S103200, C134S105000, C134S12200P, C015S302000, C015S309100
Reexamination Certificate
active
06851434
ABSTRACT:
A composition and apparatus and method for aqueous spray conditioning of scale on metal surfaces. An aqueous solution having a base composition of an alkali metal hydroxide is used. The aqueous solution may contain additives to improve the performance of the salt. In one embodiment, the solution is used to condition the scale on a strip of stainless steel. The strip of steel is at a temperature between the melting point of the alkali metal hydroxide in anhydrous form and a temperature at which the Leidenfrost effect appears. One or more nozzles is provided to spray the solution, and the heated strip is passed by the nozzle or nozzles where the solution is sprayed on the surface or surfaces of the strip that have the scale or oxide. The invention also includes the apparatus and control thereof for the spraying of the solution.
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Cole John M.
Malloy James C.
Pilznienski John F.
Wood William G.
Daugherty Patrick J.
Driggs Lucas Brubaker & Hogg Co. L.P.A.
Kornakov M.
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