Patent ID: 9539669
Date: 2017-01-10
CPC Classifications: B21C,B21D,B23K,C22C,F16G

Claim:
1. Method of producing an endless belt ( 1 ) from at least two metal plates ( 2 , 3 , 4 ), wherein the at least two metal plates ( 2 , 3 , 4 ) are introduced into at least one removable connection element ( 5 , 5 a ), one edge ( 9 , 10 , 11 , 12 ) of each leading, and form a composite board ( 6 ), whereupon free end edges ( 7 , 8 ) of the composite board ( 6 ) which lie opposite the edges ( 9 , 10 , 11 , 12 ) of the metal plates arranged in the at least one connection element ( 5 ) are bent towards one another and welded together, whereupon the at least one connection element ( 5 , 5 a ) is removed and the edges ( 9 , 10 , 11 , 12 ) of the metal plates ( 2 , 3 , 4 ) connected to one another beforehand by the at least one connection element ( 5 ) are bent towards one another and welded together, wherein three metal plates ( 2 , 3 , 4 ) are used to produce the belt ( 1 ) and two respectively adjacent metal plates ( 2 , 3 , 4 ) are connected to one another, each by at least one connection element ( 5 , 5 a ), to form a composite board ( 6 ) from the three metal plates ( 2 , 3 , 4 ), the terminal, free end edges ( 7 , 8 ) of which are then bent towards one another and welded together, whereupon at least a first connection element ( 5 ) disposed between a middle metal plate ( 3 ) and a first outer metal plate ( 2 ) is removed and the edges ( 9 , 10 ) of the middle metal plate ( 3 ) and the first outer metal plate ( 2 ) connected to one another beforehand by the at least one first connection element ( 5 ) are bent towards one another and welded together, whereupon at least a second connection element ( 5 a ) disposed between the middle metal plate ( 3 ) and a second outer metal plate ( 4 ) is removed and edges ( 11 , 12 ) of the middle and the second outer metal plates connected to one another beforehand by the at least one second connection element ( 5 a ) are bent towards one another and welded together.