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Filing date
Publication date
Application filed by Loennstroem OyfiledCriticalLoennstroem Oy
Priority to FI349174ApriorityCriticalpatent/FI50476C/fi
Priority to DE19752551286prioritypatent/DE2551286A1/de
Publication of FI50476BpublicationCriticalpatent/FI50476B/fi
Application grantedgrantedCritical
Publication of FI50476CpublicationCriticalpatent/FI50476C/fi
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D41/00—Application of procedures in order to alter the diameter of tube ends
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D19/00—Flanging or other edge treatment, e.g. of tubes
B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
B21D19/046—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of tubular products
