Braiding machine and method of forming a braided article using such braiding machine

• US 10,238,176 B2
• Filed: 05/26/2015
• Issued: 03/26/2019
• Est. Priority Date: 05/26/2015
• Status: Active Grant

• Current Assignee: Nike, Inc.
• Original Assignee: Nike, Inc.
• Inventors: Bruce, Robert M., Lee, Eun Kyung
• Primary Examiner(s): Hurley, Shaun R
• Application Number:
  US14/721,563
• Publication Number:
  US 20160345676A1
• Time in Patent Office: 1,400 Days
• CPC Class Codes: A43B 23/0245 characterised by the constructive form
• CPC Class Codes: A43B 23/042 Uppers made of one piece one piece slippers A43B3/106; one piece sandals A43B3/124
• CPC Class Codes: D04C 1/06 Braid or lace serving particular purposes
• CPC Class Codes: D04C 1/10 Pattern tulle fabrics
• CPC Class Codes: D04C 3/28 by stopping only the spool carrier
• CPC Class Codes: D04C 3/48 Auxiliary devices
• CPC Class Codes: D10B 2401/10 porous
• CPC Class Codes: D10B 2501/043 Footwear

Abstract

Aspects herein are directed to a braiding machine and method of forming a braided upper for an article of footwear. The braiding machine includes a support structure that includes a track defining a plane with a plurality of rotor metals arranged along the track. The method of forming an article of footwear includes extending a plurality of threads through a ring located along a plane at a braiding point of the braiding machine, and braiding over a forming mandrel that passes from a first side of the braiding point to a second side of the braiding point. The braiding machine being capable of forming intricate braided structures.

Claims

1. A method of forming a braided upper using a braiding machine system comprising a support structure, the method comprising the steps of:

locating a forming mandrel above a ring located at a braiding point of the braiding machine system, wherein the braiding point is located on a first plane of the ring, wherein a first portion of the forming mandrel extends through the braiding point, and wherein a second portion of the forming mandrel is located above the first plane;

securing the forming mandrel to the support structure of the braiding machine system;

braiding a plurality of strands to form a three dimensional braided component, wherein the plurality of strands extend through the ring;

pulling the braided component over the forming mandrel; and

inserting a last into the braided component to shape the braided component, wherein the braiding machine system includes a plurality of rotor metals arranged in a track on the support structure, wherein at least one of the plurality of rotor metals is selectively moveable.

2. The method according to claim 1, wherein the braided component includes a first opening, wherein the first opening is located along a second plane that is parallel with a braiding direction during a braiding process.

3. The method according to claim 2, wherein the first opening corresponds to an ankle opening of the upper.

4. The method according to claim 2, wherein a second opening is formed along a third plane that is parallel with the braiding direction during the braiding process, the second plane being different than the third plane.

5. The method according to claim 4, wherein the second opening is a lace aperture.

6. The method according to claim 1, further comprising closing the braided component.

7. The method according to claim 6, wherein the braided component is closed at a first end and a second end.

8. The method according to claim 7, wherein the first end corresponds to a heel portion and the second end corresponds to a forefoot portion.

9. The method according to claim 1, wherein the forming mandrel has a shape of a forefoot portion of a foot.

10. The method according to claim 1, wherein the forming mandrel has a shape of a heel portion of a foot.

11. A method of forming a braided upper using a braiding machine system comprising a support structure, the method comprising:

locating a forming mandrel within a ring located at a braiding point of the braiding machine system, the braiding machine system comprising a plurality of rotor metals arranged in a track on the support structure, wherein at least one of the plurality of rotor metals is selectively moveable, wherein the braiding point is located on a first plane of the ring, wherein a first portion of the forming mandrel extends through the braiding point, and wherein a second portion of the forming mandrel is located above the first plane;

securing the forming mandrel to the support structure of the braiding machine system;

braiding a plurality of strands to form a three dimensional braided component, wherein the plurality of strands extend through the ring of the braiding machine system;

pulling the braided component over the forming mandrel; and

inserting a last into the braided component.

12. The method according to claim 11, wherein the braided component conforms to a shape of the forming mandrel.

13. The method according to claim 11, wherein the braiding machine system is a lace braiding machine.

14. The method according to claim 12, wherein an opening is formed during a braiding process of the braided component, wherein the opening is located within the braided component along a plane that is parallel to a braided direction.

15. The method according to claim 12, further comprising forming a first seal at a first end and forming a second seal at a second end of the braided component.

16. The method according to claim 15, wherein the first end corresponds to a heel end and the second end correspond to a forefoot end.

17. The method according to claim 16, wherein when the last is inserted into the braided component, a heel portion of the last abuts the heel end and a forefoot portion abuts the forefoot end.

18. A method of forming a braided upper comprising:

braiding a tube structure using a braiding machine, the braiding machine comprising;

a support structure with a plurality of rotor metals arranged in a track on the support structure, wherein at least one rotor metal in the plurality of rotor metals is selectively moveable, and wherein a forming mandrel is secured to the support structure;

a ring, the ring being located in a plane, wherein a braiding point of the braiding machine is located in the plane, wherein a first portion of the forming mandrel is located within the ring, and wherein a second portion of the forming mandrel is located above the plane;

inserting a last into the tube structure; and

conforming the tube structure to a shape of the last.

19. The method according to claim 18, further comprising forming a first seam within the tube structure.

20. The method according to claim 19, further comprising forming a second seam within the tube structure, wherein the first seam is spaced from the second seam.

21. The method according to claim 20, wherein the first seam within the tube structure corresponds to a heel edge and the second seam within the tube structure corresponds to a forefoot edge.

22. A braiding machine system comprising:

a support structure;

a plurality of rotor metals arranged along a track on the support structure;

a forming mandrel, a first portion of the forming mandrel extending through a braiding point;

a ring, the ring being located in a plane, wherein the braiding point is located in the plane and a second portion of the forming mandrel is located above the plane; and

a securing portion securing the forming mandrel to the support structure of the braiding machine;

wherein at least one of the plurality of rotor metals is selectively movable.

23. The braiding machine system according to claim 22, wherein the plurality of rotor metals includes a first rotor metal and a second rotor metal, the first rotor metal being adjacent to the second rotor metal, wherein as the first rotor metal rotates the second rotor metal remains stationary.

24. The braiding machine system according to claim 22 wherein the forming mandrel is shaped as a forefoot portion.

25. The braiding machine system according to claim 24, wherein the forming mandrel has a first end and a second end, the first end extending through the braiding point and the second end oriented in the opposite direction from the first end.

26. The braiding machine system according to claim 25, wherein the first end is a toe edge and the second end is a forefoot end.

27. The braiding machine system according to claim 22, wherein the securing portion extends from below the braiding point to above the braiding point.

28. The braiding machine system according to claim 22, further comprising a plurality of carriages configured to accept spools.