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    • 62. 发明公开
    • METHOD OF VACUUM FORMING A FOOTWEAR UPPER
    • EP3581362A1
    • 2019-12-18
    • EP19189734.7
    • 2015-02-10
    • NIKE Innovate C.V.
    • CAVALIERE, SergioADAMI, Giovanni
    • B29C51/46B29C51/06B29C51/26B29C51/42B29C69/00A43B23/02
    • A method of making an article of footwear (100) is provided. The method comprises positioning a sheet (1540, 1640, 840) of upper material (1540, 1640, 840) within a chamber (1605) , the sheet (1540, 1640, 840) dividing the chamber (1605) into a first compartment (1660, 1665) on a first side of the sheet (1540, 1640, 840) and a second compartment (1660, 1665) on a second side of the sheet (1540, 1640, 840) . The method further comprises positioning at least a portion of a footwear (100) last in the first compartment (1660, 1665) on the first side of the sheet (1540, 1640, 840) of upper material (1540, 1640, 840) . The method further comprises applying an environmental pressure differential across the sheet (1540, 1640, 840) of upper material (1540, 1640, 840) , wherein a first environmental pressure in the first compartment (1660, 1665) is lower than a second environmental pressure in the second compartment (1660, 1665) . Accordingly, the environmental pressure differential draws the sheet (1540, 1640, 840) of upper material (1540, 1640, 840) against the footwear (100) last thereby forming at least a portion of an upper (105, 605, 705) of the article of footwear (100) . The method further comprises assembling the article of footwear (100) including fixedly attaching the upper (105, 605, 705) of the article of footwear (100) to a sole structure (110) .