US 12,389,975 B2
Method for manufacturing a sole structure comprising a fully or partially hot-formed textile sole element, and footwear item comprising such a sole structure
Vincent Ventenat, Villeneuve d'Ascq (FR)
Appl. No. 17/802,152
Filed by DECATHLON, Villeneuve d'Ascq (FR)
PCT Filed Feb. 24, 2021, PCT No. PCT/EP2021/054612
§ 371(c)(1), (2) Date Aug. 25, 2022,
PCT Pub. No. WO2021/170682, PCT Pub. Date Sep. 2, 2021.
Claims priority of application No. 2001850 (FR), filed on Feb. 25, 2020.
Prior Publication US 2023/0346067 A1, Nov. 2, 2023
Int. Cl. B29D 35/04 (2010.01); A43B 1/028 (2022.01); A43B 1/04 (2022.01); A43B 13/04 (2006.01); A43B 13/22 (2006.01); A43B 23/04 (2006.01); A43C 15/16 (2006.01); B29D 35/00 (2010.01); B29D 35/12 (2010.01)
CPC A43B 1/04 (2013.01) [A43B 1/028 (2022.01); A43B 13/04 (2013.01); A43B 13/223 (2013.01); A43B 23/04 (2013.01); A43C 15/167 (2013.01); B29D 35/0063 (2013.01); B29D 35/04 (2013.01); B29D 35/122 (2013.01); B29D 35/126 (2013.01); B29D 35/128 (2013.01)] 20 Claims
 
1. A method for manufacturing a sole structure, the method comprising:
(i) providing at least one textile sole element having an external face, comprising one or several at least partly hot-meltable yarn(s);
(ii) disposing the textile sole element in a mold structure comprising a sole cavity;
(iii) disposing an inflatable bladder in the mold structure, and inflating the inflatable bladder to press, directly or indirectly, the external face of the textile sole element against the sole cavity, and heating the textile sole element to melt the at least partly hot-meltable yarn(s) and mold the sole cavity on the external face of the textile sole element; and
(iv) obtaining a sole structure comprising at least one thermo-compressed textile sole element.