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Bundy Tubing Co
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Bundy Tubing Co
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Publication date
Application filed by Bundy Tubing CofiledCriticalBundy Tubing Co
Application grantedgrantedCritical
Publication of FR794666ApublicationCriticalpatent/FR794666A/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
B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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)
FR794666D1935-09-091935-09-09Tube métallique et procédé et appareil pour sa fabrication
ExpiredFR794666A
(fr)