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Publication date
Application filed by Walter EckoldfiledCriticalWalter Eckold
Application grantedgrantedCritical
Publication of AT180461BpublicationCriticalpatent/AT180461B/de
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
B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
B21D11/08—Bending by altering the thickness of part of the cross-section of the work
B21D11/085—Bending by altering the thickness of part of the cross-section of the work by locally stretching or upsetting
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Forging
(AREA)
AT180461D1952-03-291952-10-04Verfahren und Vorrichtung zur Verformung von Blechen
AT180461B
(de)