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APPLIC DES GAZ LIQUEFIES D
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APPLIC DES GAZ LIQUEFIES D
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Application filed by APPLIC DES GAZ LIQUEFIES DfiledCriticalAPPLIC DES GAZ LIQUEFIES D
Application grantedgrantedCritical
Publication of FR331569ApublicationCriticalpatent/FR331569A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D51/00—Making hollow objects
B21D51/16—Making hollow objects characterised by the use of the objects
B21D51/24—Making hollow objects characterised by the use of the objects high-pressure containers, e.g. boilers, bottles
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR331569D1903-04-281903-04-28Procédé pour l'obtention, aux extrémités d'un tube métallique mince, d'une épaisseur suffisante pour recevoir un filetage
ExpiredFR331569A
(fr)