Patent ID: 7628000

Claim:
A protective wall ( 1 ) for shielding against laser beams, optionally including laser beams stemming from welding machines, wherein the protective wall ( 1 ) contains light-alloy shaped sections ( 10 - 14 ) which are essentially rectangular, and incorporates chambers formed by interior walls ( 2 ), and tongues and grooves formed on two side walls thereof, the grooves on a front of the side walls of each of the sections opening in the same direction as the grooves on a back of the side walls of said each of the sections, the direction of the opening being perpendicular to the height of the wall, and the structure is such that the tongues and grooves of adjoining sections are joined together in a direction that is perpendicular to the height of the wall, wherein the light-alloy shaped sections ( 10 - 14 ) are lined up and connected side wall to side wall in an individually removable manner to form the protective wall ( 20 , 22 ; 21 , 23 ; 24 , 25 ) in such a way that the tongues and grooves on the two side wall are implemented step-like from a front wall ( 26 ) to a back wall ( 27 ).