IP Library Granted Patent US 10,798,992
Granted Patent B2
US 10,798,992 · App. 16/318,735 · Granted Oct 13, 2020

Footwear plate

Inventors: Aaron Bartel (Beaverton, OR); Stefan E. Guest (Portland, OR); Derek Haight (Beaverton, OR); Adam Kiss (Beaverton, OR); Sam Lacey (Beaverton, OR); Geng Luo (Portland, OR); Rachel M. Savage (Beaverton, OR); Christian Alexander Steinbeck (Portland, OR); Adam Thuss (Portland, OR)
Assignee: NIKE, Inc.
A43B13/026A43B5/00A43B5/02A43B7/145A43B7/1445A43B7/18A43B9/02A43B13/04A43B13/12A43B13/125A43B13/127A43B13/141A43B13/143A43B13/146A43B13/16A43B13/181A43B13/186A43B13/188A43B13/189A43B13/20A43B13/22A43B13/223A43B13/26A43B13/32A43B13/37A43B13/42A43B21/24A43C15/02A43C15/161D05C17/00
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Quick Facts
Patent No.
US 10,798,992
App. No.
16/318,735
Granted
Oct 13, 2020
Kind
B2
Abstract

A method of forming a plate for an article of footwear is disclosed. The method includes applying a first strand portion to a base layer including positioning adjacent segments of the first strand portion to form a first layer on the base layer. The adjacent segments of the first strand portion having a greater density across a width of the plate between a medial side and a lateral side at a forefoot region of the plate than at a midfoot region of the plate and at a heel region of the plate. The method also includes applying at least one of heat and pressure to the first strand portion and to the base layer to conform the first strand portion and the base layer to a predetermined shape.

Claims (20)

1. A method of forming a plate for an article of footwear, the method comprising:

applying a first strand portion to a base layer including positioning adjacent segments of the first strand portion to form a first layer on the base layer, the adjacent segments of the first strand portion having a greater density across a width of the plate between a medial side and a lateral side at a forefoot region of the plate than at a midfoot region of the plate and at a heel region of the plate;

attaching the first strand portion to the base layer using stitching; and

applying at least one of heat and pressure to the first strand portion and to the base layer to conform the first strand portion and the base layer to a predetermined shape.

2. The method of claim 1 , wherein applying the first strand portion to the base layer includes forming loops that connect adjacent segments of the first strand portion.

3. The method of claim 1 , wherein applying the first strand portion to the base layer includes applying the first strand portion to at least one of a substrate and a second layer having a plurality of fibers and/or to a second layer formed from unidirectional tape.

4. The method of claim 1 , further comprising positioning a second strand portion on the first layer to form a second layer on the first layer.

5. The method of claim 4 , wherein attaching the first strand portion to the base layer using stitching includes applying first stitching that crosses over the first strand portion and penetrates the base layer at first attachment locations that are spaced apart from the first strand portion and positioning the second strand portion on the first layer includes applying second stitching that crosses over the second strand portion, extends through the first strand portion, and penetrates the base layer at second attachment locations.

6. The method of claim 1 , wherein applying the first strand portion to a base layer includes positioning adjacent segments closer to one another across the width of the plate between the medial side and the lateral side at the forefoot region of the plate than at the midfoot region of the plate and at the heel region of the plate.

7. The method of claim 1 , wherein applying the first strand portion to the base layer includes positioning first segments of the first strand portion on the base layer in a first shape and positioning second segments of the first strand portion on the base layer in a second shape different than the first shape, the second segments being convergent with the first segments and disposed adjacent and substantially parallel with one another.

8. The method of claim 7 , wherein applying the first strand portion to the base layer further includes positioning third segments of the first strand portion on the base layer in a third shape different than the first shape and the second shape, the third segments being convergent with the first segments and the second segments and disposed adjacent and substantially parallel with one another.

9. The method of claim 8 , wherein positioning the first segments of the first strand portion on the base layer includes positioning the first segments of the first strand portion on the base layer with each first segment having a corresponding length that extends between a corresponding first end proximate to a toe end of the plate and a corresponding second end proximate to the medial side of the plate in the forefoot region, and positioning the second segments of the first strand portion on the base layer includes positioning the second segments of the first strand portion on the base layer with each second segment having a corresponding length that extends between a corresponding first end proximate to the lateral side of the plate in the forefoot region and a corresponding second end proximate to the medial side of the plate in the midfoot region, and positioning the third segments of the first strand portion on the base layer includes positioning the third segments of the first strand portion on the base layer with each third segment having a corresponding length that extends between a corresponding first end proximate to the lateral side of the plate in the midfoot region and a corresponding second end proximate to a heel end of the plate.

10. The method of claim 7 , wherein positioning the first segments of the first strand portion on the base layer includes positioning the first segments of the first strand portion on the base layer with each first segment having a corresponding length that extends between a corresponding first end proximate to the lateral side of the plate in the forefoot region and a corresponding second end proximate to the medial side of the plate in the forefoot region, and positioning the second segments of the first strand portion on the base layer includes positioning the second segments of the first strand portion on the base layer with each second segment having a corresponding length that extends between a corresponding first end proximate to the lateral side of the plate in a corresponding one of the midfoot region and the heel region and a corresponding second end proximate to the medial side of the plate in the corresponding one of the midfoot region and the heel region.

11. The method of claim 1 , further comprising forming the first strand portion from a first tow of fibers including at least one of carbon fibers, boron fibers, glass fibers, and polymeric fibers.

12. The method of claim 1 , further comprising consolidating fibers of the first strand portion with a polymeric resin during the application of heat and/or pressure, the polymeric resin being a thermoset resin or a thermoplastic resin.

13. The method of claim 1 , wherein forming the plate includes forming the plate with a stiffness in the forefoot region along a baseline of the plate from a heel end of the plate to a toe end of the plate of about 350 N/mm to about 500 N/mm, a stiffness in the forefoot region across a width of the plate from the medial side to the lateral side of about 150 N/mm to about 300 N/mm, and a stiffness in the midfoot region across the width of the plate from the medial side to the lateral side of about 150 N/mm to about 300 N/mm.

14. The method of claim 1 , wherein forming the plate includes forming the plate with a stiffness in the forefoot region along a baseline of the plate from a heel end of the plate to a toe end of the plate of about 375 N/mm to about 475 N/mm, a stiffness in the forefoot region across a width of the plate from the medial side to the lateral side of about 200 N/mm to about 300 N/mm, and a stiffness in the midfoot region across the width of the plate from the medial side to the lateral side of about 150 N/mm to about 250 N/mm.

15. The method of claim 1 , wherein forming the plate includes forming the plate with a stiffness in the forefoot region along a baseline of the plate from a heel end of the plate to a toe end of the plate of about 400 N/mm to about 450 N/mm, a stiffness in the forefoot region across a width of the plate from the medial side to the lateral side of about 225 N/mm to about 275 N/mm, and a stiffness in the midfoot region across the width of the plate from the medial side to the lateral side of about 175 N/mm to about 225 N/mm.

16. The method of claim 2 , further comprising removing the loops of the first strand portion to define an outer edge of the plate.

17. The method of claim 2 , wherein applying the first strand portion to the base layer includes applying a continuous strand to the base layer.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 22, 2019
From: BARTEL, AARON; GUEST, STEFAN E.; HAIGHT, DEREK; KISS, ADAM; LACEY, SAM; LUO, GENG; SAVAGE, RACHEL M.; STEINBECK, CHRISTIAN ALEXANDER; THUSS, ADAM
To: NIKE, INC.
Reel/Frame 048079/0145 →
Continuity (4)
Provisional Application 62474030 · Mar 20, 2017
Provisional Application 62364594 · Jul 20, 2016
Provisional Application 62364585 · Jul 20, 2016
Related Publication 20190283355A1 · Sep 19, 2019
Cited By (6)
US 1,135,339 US 1,136,506 US 1,141,345 US 12,302,980 US 12,419,384 US 12,495,861