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Publication of BE552064ApublicationCriticalpatent/BE552064A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
B21C37/15—Making tubes of special shape; Making tube fittings
B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Butt Welding And Welding Of Specific Article
(AREA)
Procédé pour la fabrication d'un élément servant à transmettre la chaleur, élément fabriqué selon ce procédé, et dispositif pour la mise en oeuvre de celui-ci.
Procede de fabrication en continu, a partir d'un materiau fondu, d'un fil metallique de tres petit diametre, y compris dans l'etat vitreux, et dispositif pour executer ledit procede