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Paasch & Larsen Et Petersen Ste
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Paasch & Larsen Et Petersen Ste
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Publication date
Application filed by Paasch & Larsen Et Petersen StefiledCriticalPaasch & Larsen Et Petersen Ste
Application grantedgrantedCritical
Publication of FR320394ApublicationCriticalpatent/FR320394A/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
B21C37/15—Making tubes of special shape; Making tube fittings
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR320394D1902-04-141902-04-14Un procédé de fabrication de tubes en spirale, etc.
ExpiredFR320394A
(fr)