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PERRINS Ltd
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PERRINS Ltd
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Publication date
Application filed by PERRINS LtdfiledCriticalPERRINS Ltd
Application grantedgrantedCritical
Publication of FR340890ApublicationCriticalpatent/FR340890A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C23/00—Extruding metal; Impact extrusion
B21C23/21—Presses specially adapted for extruding metal
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR340890D1904-03-021904-03-02Procédé et appareil pour la fabrication de tubes et de tiges ou barres en métal
ExpiredFR340890A
(fr)