METHOD FOR CONSTRUCTING SHOE UPPERS Russian patent published in 2023 - IPC A43D8/26 

FIELD: light industry; footwear.

SUBSTANCE: invention relates to the design of a shoe upper (inner shank). The technical result consists in eliminating the complexity in the area of the inner side of the shank part due to the strong tension of the tightening edge, when carrying out protracted operations, by allowing the upper material of the shoe on the cutting details on the inner side of the shank part on the vamp and on the tops. The claimed technical result is achieved by the fact that in this method, the details of the shoe upper, in particular the vamp and ankle boots in the shank part, are designed in an asymmetrical manner by allowing the upper material of the shoe on the cutting details on the inside of the shank part on the vamp and on the shanks, obtaining a wedge-shaped addition of upper material shoes and additional volume when assembling the workpiece around the perimeter of the tightening edge on the inside, improving the quality of fit of the workpiece on the last.

EFFECT: eliminating the complexity in the area of the inner side of the shank part due to the strong tension of the tightening edge.

1 cl, 4 dwg