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TUBES DE VALENCIENNES DES
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TUBES DE VALENCIENNES DES
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Application filed by TUBES DE VALENCIENNES DESfiledCriticalTUBES DE VALENCIENNES DES
Application grantedgrantedCritical
Publication of FR399751ApublicationCriticalpatent/FR399751A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
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Engineering & Computer Science
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Mechanical Engineering
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FR399751D1909-02-031909-02-03Perfectionnements au laminage des tubes sans soudure
ExpiredFR399751A
(fr)