Method and apparatus for the production of a shackle of an apparatus for connecting one or more hauling strands to a load, preferably as a hitching point for transport in underground mining

摘要

In a method for the production of the shackle of an apparatus for connecting one or more hauling strands to a load, preferably as a hitching point for transport in underground mining in accordance with patent...(patent application with the internal priority of patent application P 3404894.4), it is provided according to the invention that the blank is bent from its original flat shape into a channel-shaped intermediate shape with a flat bottom and diverging walls and is pressed through a gap in which, with the formation of projecting torn edges by the shearing off of the sheet edges, oblique surfaces are formed from the intermediate shape in a preliminary shape, from which the U shape of the shackle is formed by air bending in a die.