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Priority to DD18684675ApriorityCriticalpatent/DD119744A1/xx
Publication of DD119744A1publicationCriticalpatent/DD119744A1/xx
Priority to DE19762626728prioritypatent/DE2626728A1/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
B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
B21D43/02—Advancing work in relation to the stroke of the die or tool
B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
B21D43/055—Devices comprising a pair of longitudinally and laterally movable parallel transfer bars