Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Snead & Co Iron Works
Original Assignee
Snead & Co Iron Works
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Snead & Co Iron WorksfiledCriticalSnead & Co Iron Works
Application grantedgrantedCritical
Publication of FR494904ApublicationCriticalpatent/FR494904A/fr
C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
C21D1/34—Methods of heating
C21D1/40—Direct resistance heating
Landscapes
Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
Physics & Mathematics
(AREA)
Thermal Sciences
(AREA)
Crystallography & Structural Chemistry
(AREA)
Mechanical Engineering
(AREA)
Materials Engineering
(AREA)
Metallurgy
(AREA)
Organic Chemistry
(AREA)
FR494904D1916-06-141919-01-20Procédé et appareil pour le chauffage et la trempe électriques
ExpiredFR494904A
(fr)