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Publication of BE543141ApublicationCriticalpatent/BE543141A/xx
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
B21D43/028—Tools travelling with material, e.g. flying punching machines
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
B23D25/00—Machines or arrangements for shearing stock while the latter is travelling otherwise than in the direction of the cut
B23D25/02—Flying shearing machines
B23D25/08—Flying shearing machines having two coacting shearing blades mounted independently
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Advancing Webs
(AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)