CH413758A - Verfahren zur Herstellung eines Schraubennahtrohres aus Bändern, und Rohrschweissanlage zur Durchführung des Verfahrens
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Verfahren zur Herstellung eines Schraubennahtrohres aus Bändern, und Rohrschweissanlage zur Durchführung des Verfahrens
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Publication number
CH413758A
CH413758ACH344163ACH344163ACH413758ACH 413758 ACH413758 ACH 413758ACH 344163 ACH344163 ACH 344163ACH 344163 ACH344163 ACH 344163ACH 413758 ACH413758 ACH 413758A
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Priority claimed from DESCH31186Aexternal-prioritypatent/DE1216828B/de
Priority claimed from DESCH32217Aexternal-prioritypatent/DE1222456B/de
Application filed by Schloemann AgfiledCriticalSchloemann Ag
Publication of CH413758ApublicationCriticalpatent/CH413758A/de
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
B21C37/12—Making tubes or metal hoses with helically arranged seams
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Rigid Pipes And Flexible Pipes
(AREA)
Butt Welding And Welding Of Specific Article
(AREA)
CH344163A1962-03-241963-03-18Verfahren zur Herstellung eines Schraubennahtrohres aus Bändern, und Rohrschweissanlage zur Durchführung des Verfahrens
CH413758A
(de)