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Priority to ES3720ApriorityCriticalpatent/ES3720A1/en
Publication of ES3720A1publicationCriticalpatent/ES3720A1/en
ES3720A1883-10-291883-10-29
Improvements in an apparatus for the treatment of iron and steel, in order to protect and improve their quality.
ExpiredES3720A1
(en)
Improvements introduced in the construction of furnaces for the manufacture of iron, steel and other ductile metals by the heating method, which allows solid and fluid substances to be introduced into them during heating.
The construction of saws of all dimensions and for all uses, using precisely iron, first subjected to the action of a rolling mill and, after being manufactured, chemically give them the hardness and ductility and other conditions of steel.