Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Reexamination Certificate
2006-09-14
2009-10-13
Barr, Michael (Department: 1792)
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
C134S007000, C451S039000, C451S040000, C451S097000, C451S098000
Reexamination Certificate
active
07601226
ABSTRACT:
An apparatus and method of removing scale from the surfaces of processed sheet metal employs a scale removing medium propelled by counter-rotating pairs of wheels positioned in close proximity to the sheet metal surfaces.
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International Search Report for PCT/US2009/037055 dated May 5, 2009.
Critchley Stuart H.
Mueth Alan R.
Voges Kevin C.
Barr Michael
Chaudhry Saeed T
Himich Matthew J.
The Material Works, Ltd.
Thompson & Coburn LLP
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