Metal working – Scale remover or preventor
Reexamination Certificate
2008-03-19
2011-12-13
Banks, Derris (Department: 3729)
Metal working
Scale remover or preventor
C451S037000, C451S038000, C451S094000, C451S097000, C451S098000
Reexamination Certificate
active
08074331
ABSTRACT:
An apparatus and method of removing scale from the surfaces of processed sheet metal and tubular metal employs a scale removing medium propelled by counter-rotating pairs of wheels positioned in close proximity to the metal surfaces.
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Banks Derris
Parvez Azm
The Material Works, Ltd.
Thompson & Coburn LLP
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