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TUBES DE VALENCIENNES ET DENAI
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TUBES DE VALENCIENNES ET DENAI
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Application filed by TUBES DE VALENCIENNES ET DENAIfiledCriticalTUBES DE VALENCIENNES ET DENAI
Application grantedgrantedCritical
Publication of FR975108ApublicationCriticalpatent/FR975108A/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
B21C9/00—Cooling, heating or lubricating drawing material
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR975108D1942-02-031942-02-03Perfectionnement aux procédés et aux installations pour l'étirage, en particulier pour celui des tubes d'acier
ExpiredFR975108A
(fr)
Perfectionnements aux procédés de nettoyage superficiel d'acier inoxydable, de cuivre et d'alliages de cuivre, ainsi qu'aux compositions utilisables pour leur mise en oeuvre