Patent ID: 8151616

Claim:
A method for manufacturing different-sized enclosures of a metal sheet material, comprising: selecting a biggest folding length for the enclosures to be manufactured and a respective first folding tool ( 2 ), selecting a smallest folding length for the enclosures to be manufactured and a respective second folding tool ( 3 ), preparing a metal sheet blank ( 4 , 5 ) for an enclosure of the metal sheet material for folding, making an open-cut section ( 7 ) adjacent to an unopened section ( 8 ), wherein the length of the unopened section ( 8 ) corresponds to the width of the second folding tool ( 3 ), folding corners of the metal sheet blank ( 4 , 5 ) by means of the first folding tool ( 2 ), with the exception of a last folding, folding a last corner ( 6 ) by means of the second folding tool ( 3 ) by using the second folding tool on the unopened section ( 8 ), and locking the folded enclosure into its shape.