Verfahren und Anordnung zum Verbinden von Metallblechen miteinander durch Sprengverschweissung

摘要

1278818 Welding by pressure NITRO NOBEL AB 22 Sept 1969 [23 Sept 1968] 46626/69 Heading B3R Metal sheets are explosively welded by means of explosive carried in the open cells of a porous body connected to one of the sheets. A body 10 of foamed plastics material e.g. polyethylene is immersed first in PETN dissolved in acetone and then in cold water so that the explosive in crystal form is deposited on the walls of the cells of the sheet 10. The body 10 is united by adhesives with a sheet of aluminium 12 on one side and a layer of hard fibrous material 14 on the other. The assembly is placed on a metal sheet 16 of steel or copper and the explosive is electrically detonated from one side edge. TNT may be applied in a molten state to the porous body and allowed to solidify or liquid explosive may impregnate the cells.