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Bundy Tubing Co
Original Assignee
Bundy Tubing Co
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Publication date
Application filed by Bundy Tubing CofiledCriticalBundy Tubing Co
Application grantedgrantedCritical
Publication of FR1175264ApublicationCriticalpatent/FR1175264A/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
B21C37/08—Making tubes with welded or soldered seams
B21C37/09—Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1175264D1956-05-211957-05-16Procédé de fabrication de tubes métalliques
ExpiredFR1175264A
(fr)