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TERROT ETS
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TERROT ETS
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Publication of FR1051547ApublicationCriticalpatent/FR1051547A/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
B21D19/00—Flanging or other edge treatment, e.g. of tubes
B—PERFORMING OPERATIONS; TRANSPORTING
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
B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
B21D17/025—Forming single grooves in sheet metal or tubular or hollow articles by pressing by pressing tubes axially
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Engineering & Computer Science
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Mechanical Engineering
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FR1051547D1951-12-291951-12-29Procédé et dispositif pour la fabrication, à froid, de pièces comportant une collerette, à partir d'un tube
ExpiredFR1051547A
(fr)
Procédé et dispositif pour décongeler l'évaporateur d'une machine frigorifique, plus spécialement d'un machine à absorption fonctionnant continuellement