[미국특허]
Article of footwear with soil-shedding performance
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A43B-013/02
A43B-013/16
A43B-013/22
A43C-015/16
A43B-013/04
A43B-013/12
A43C-015/02
A43B-003/00
A43B-013/26
B29D-035/14
출원번호
US-0814195
(2015-07-30)
등록번호
US-10092062
(2018-10-09)
발명자
/ 주소
Wright, Zachary C.
Dyer, Caleb W.
Walker, Jeremy D.
Maurer, Myron
Schiller, Denis
Baghdadi, Hossein A.
출원인 / 주소
NIKE, INC.
대리인 / 주소
Thomas | Horstemeyer, LLP
인용정보
피인용 횟수 :
0인용 특허 :
55
초록▼
The disclosure relates to articles of footwear and components thereof, including outsoles, which can be used in conditions normally conducive to the accumulation of soil on the outsoles. In particular, the disclosure relates to articles of footwear and components thereof including an outsole with a
The disclosure relates to articles of footwear and components thereof, including outsoles, which can be used in conditions normally conducive to the accumulation of soil on the outsoles. In particular, the disclosure relates to articles of footwear and components thereof including an outsole with a ground-facing crosslinked polymeric material having a wet-state contact angle less than 80°. The outsoles can prevent or reduce the accumulation of soil on the footwear during wear on unpaved surfaces such as sporting fields. When the outsoles are wetted with water, the outsoles can become more compliant and/or can rapidly uptake and/or expel water, which can prevent soil from adhering to the outsole and/or can assist in shedding soil present on the outsole.
대표청구항▼
1. An outsole for an article of footwear, the outsole comprising: an outsole backing member havinga ground-facing surface; a film comprising a crosslinked polymeric material, on the ground-facing surface and defining an external surface of the outsole, wherein the film has a wet-state contact angle
1. An outsole for an article of footwear, the outsole comprising: an outsole backing member havinga ground-facing surface; a film comprising a crosslinked polymeric material, on the ground-facing surface and defining an external surface of the outsole, wherein the film has a wet-state contact angle less than 80°, as characterized by a Contact Angle Test with a Footwear Sampling Procedure; and a plurality of traction elements on the ground-facing surface of the outsole backing member. 2. The outsole of claim 1, wherein the wet-state contact angle is less than 70°. 3. The outsole of claim 1, wherein the crosslinked polymeric material comprises a thermoplastic hydrogel. 4. The outsole of claim 3, wherein the hydrogel comprises crystalline regions and amorphous hydrophilic regions, wherein the amorphous hydrophilic regions are covalently bonded to the crystalline regions. 5. The outsole of claim 4, wherein the amorphous hydrophilic regions are bonded to the crystalline regions with carbamate linkages. 6. The outsole of claim 4, wherein the amorphous hydrophilic regions are present in the hydrogel at a ratio of at least 20:1 by weight relative to the crystalline regions. 7. The outsole of claim 1, wherein the film has a dry-state film thickness ranging from 0.1 millimeters to 1.5 millimeters. 8. The outsole of claim 1, wherein the film has a wet-state coefficient of friction less than 0.8, as characterized by a Coefficient Of Friction Test with the Footwear Sampling Procedure. 9. The outsole of claim 8, wherein the film has a dry-state coefficient of friction less than 1.5, as characterized by the Coefficient Of Friction Test with the Footwear Sampling Procedure. 10. The outsole of claim 1, wherein each of the plurality of traction elements comprises a terminal edge, and wherein the film is not present on the terminal edges of any of the plurality of traction elements. 11. The outsole of claim 1, wherein one or more of the traction elements is selected from the group consisting of: a cleat, a stud, a spike, and a lug. 12. The outsole of claim 1, wherein the traction elements are integrally formed with the outsole backing member. 13. The outsole of claim 1, wherein the traction elements are removable traction elements. 14. The outsole of claim 1, wherein the crosslinked polymeric material has one or more carbamate linkages. 15. An outsole for an article of footwear, the outsole comprising: an outsole substrate having a ground-facing surface and a second surface opposite of the ground-facing surface, wherein the second surface is configured to be secured to an upper of the article of footwear; a film comprising a crosslinked polymeric material on at least a portion of the ground-facing surface and defining an external surface of the outsole, and wherein the film has a dry-state contact angle and a wet-state contact angle, each as characterized by a Contact Angle Test with a Footwear Sampling Procedure, and wherein the dry-state contact angle is at least 10° greater than the wet-state contact angle; and a plurality of traction elements on the ground-facing surface of the outsole substrate. 16. The outsole of claim 15, wherein the wet-state contact angle is less than 80°. 17. The outsole of claim 15, wherein the film has a dry-state coefficient of friction and a wet-state coefficient of friction, each as characterized by a Coefficient Of Friction Test with the Footwear Sampling Procedure, and wherein a difference between the dry-state coefficient of friction and the wet-state coefficient of friction is at least 0.3, the dry-state coefficient of friction being greater than the wet-state coefficient of friction. 18. The outsole of claim 17, wherein the wet-state coefficient of friction is less than 0.6. 19. The outsole of claim 15, wherein the crosslinked polymeric material comprises a thermoplastic hydrogel. 20. The outsole of claim 19, wherein the hydrogel comprises crystalline regions and amorphous hydrophilic regions, wherein the amorphous hydrophilic regions are covalently bonded to the crystalline regions. 21. The outsole of claim 20, wherein the amorphous hydrophilic regions are bonded to the crystalline regions with carbamate linkages. 22. The outsole of claim 20, wherein the amorphous hydrophilic regions are present in the hydrogel at a ratio of at least 20: by weight relative to the crystalline regions. 23. The outsole of claim 15, wherein each of the plurality of traction elements comprises a terminal edge, and wherein the film is not present on the terminal edges of any of the plurality of traction elements. 24. The outsole of claim 15, wherein one or more of the traction elements is selected from the group consisting of: a cleat, a stud, a spike, and a lug. 25. The outsole of claim 15, wherein the traction elements are integrally formed with the outsole substrate. 26. The outsole of claim 15, wherein the traction elements are removable traction elements. 27. The outsole of claim 15, wherein the crosslinked polymeric material has one or more carbamate linkages. 28. An article of footwear comprising: an outsole having a first side and a second side, wherein the second side is a ground-facing surface, a film comprising a crosslinked polymeric material on the ground-facing surface, wherein the film has a dry-state contact angle ranging from 60° to 100° and a wet-state contact angle, each as characterized by a Contact Angle Test with a Footwear Sampling Procedure, and wherein the dry-state contact angle is at least 10° greater than the wet-state contact angle, of a plurality of traction elements on the ground-facing surface of the outsole; andan upper operably secured to at least a portion of the first side of the outsole. 29. The article of footwear of claim 28, wherein the dry-state contact angle ranges from 70° to 100°. 30. The article of footwear of claim 28, wherein the crosslinked polymeric material comprises a thermoplastic hydrogel. 31. The outsole of claim 30, wherein the hydrogel comprises crystalline regions and amorphous hydrophilic regions, wherein the amorphous hydrophilic regions are covalently bonded to the crystalline regions. 32. The outsole of claim 31, wherein the amorphous hydrophilic regions are bonded to the crystalline regions with carbamate linkages. 33. The outsole of claim 31, wherein the amorphous hydrophilic regions are present in the hydrogel at a ratio of at least 20:1 by weight relative to the crystalline regions. 34. The article of footwear of claim 28, wherein the film has a dry-state film thickness ranging from 0.1 millimeters to 1.5 millimeters. 35. The article of claim 28, wherein each of the plurality of traction elements comprises a terminal edge, and wherein the film is not present on the terminal edges of any of the plurality of traction elements. 36. The article of claim 28, wherein one or more of the traction elements is selected from the group consisting of: a cleat, a stud, a spike, and a lug. 37. The article of claim 28, wherein the traction elements are integrally formed with the outsole. 38. The article of claim 28, wherein the traction elements are removable traction elements. 39. The outsole of claim 28, wherein the crosslinked polymeric material has one or more carbamate linkages.
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