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POETTER ET CIE SOC
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POETTER ET CIE SOC
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Publication of FR336375ApublicationCriticalpatent/FR336375A/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
B21B17/08—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 having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills
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Engineering & Computer Science
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Mechanical Engineering
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FR336375D1903-10-301903-10-30Procédé et dispositif pour percer les blocs ou lingots pleins
ExpiredFR336375A
(fr)