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
B21C37/123—Making tubes or metal hoses with helically arranged seams of coated strip material; Making multi-wall tubes
Verfahren und Vorrichtung zur Herstellung eines Faserschichtkörpers, verwendbar als Verstärkungsstruktur für ein aus mehreren Bestandteilen zusammengesetztes
Procede et machine pour l'enroulement d'un element filaire autour d'une piece pour le frettage, l'enroulement filamentaire ou le marouflage
Verfahren und Apparat zur Herstellung einer thermischen mehrschichtigen Isolierung rundum und entlang einer festen Durchfuhr und dazugehöriger Kryogenbehälter