Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Reexamination Certificate
2011-03-29
2011-03-29
Ward, Jessica L (Department: 1735)
Metal treatment
Process of modifying or maintaining internal physical...
Heating or cooling of solid metal
C148S606000, C148S611000
Reexamination Certificate
active
07914630
ABSTRACT:
The subject of the invention is a process for the continuous manufacture of an austenitic stainless steel strip having a dull surface appearance, consisting in subjecting an austenitic stainless steel strip to a heat treatment in a bright annealing furnace inside which an inert or reducing flushing gas circulates, which gas has a dew point above −15° C., and then in pickling the strip using a suitable acid pickling solution.
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Dessis Arnaud
Dhondt Caroline
Giraud Henri
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Polyansky Alexander
Ugine & Alz France
Ward Jessica L
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