Systems and processes for reinforcing components of articles of wear

Patent metadata

Field	Value
Publication number	US-11027486-B2
Application number	US-201815901646-A
Country	US
Kind code	B2
Filing date	Feb 21, 2018
Priority date	Feb 21, 2017
Publication date	Jun 8, 2021
Grant date	Jun 8, 2021

Abstract

Systems and processes for reinforcing components of articles of wear are disclosed. The processes can include applying a thermoplastic powder to a component of an article of wear and levelling at least a portion of the thermoplastic powder. The processes can also include applying thermal energy to the component and the thermoplastic powder. Further, the processes can include compressing the thermoplastic powder and the component.

First claim

The invention claimed is:

1. A method of reinforcing a footwear component, the method comprising:
applying a thermoplastic powder to the footwear component;
leveling at least a portion of the thermoplastic powder;
selectively applying thermal energy to the footwear component to at least partially bond the thermoplastic powder with the footwear component; and
compressing the thermoplastic powder and the footwear component to increase a density of the thermoplastic powder.

2. The method of claim 1 , wherein the thermoplastic powder is applied to a backside of the footwear component.

3. The method of claim 1 further comprising determining one or more of a type, a size, a shape, an orientation, and a position of the footwear component and selectively applying the thermal energy based on the one or more determinations of the footwear component.

4. The method of claim 3 further comprising determining the orientation of the footwear component and adjusting an orientation of the selective applying of the thermal energy based on the determined orientation of the footwear component.

5. The method of claim 3 , wherein the selectively applying of thermal energy originates from a laser energy source.

6. The method of claim 1 further comprising removing at least a portion of the thermoplastic powder from the footwear component subsequent to applying the thermal energy.

7. The method of claim 6 wherein the removing at least a portion of the thermoplastic powder is comprised of directing an air stream at the thermoplastic powder to be removed.

8. The method of claim 7 , wherein the air stream is warmer than 21 degrees Celsius.

9. The method of claim 1 , wherein compressing the thermoplastic powder occurs subsequent to applying thermal energy.

10. The method of claim 6 , further comprising exposing the footwear component to a thermal energy source subsequent to the removing at least a portion of the thermoplastic powder from the footwear component and prior to the compressing the thermoplastic powder and the footwear component.

11. The method of claim 9 , wherein compressing the thermoplastic powder is comprised of: a planar press applying a compressive force to the thermoplastic powder and the footwear component; or a roller press applying a compressive force to the thermoplastic powder and the footwear component.

12. The method of claim 1 further comprising conveying the footwear component in a substantially horizontal plane while leveling at least a portion of the thermoplastic powder; and conveying the footwear component in a substantially horizontal plane while applying thermal energy to the footwear component.

13. The method of claim 1 further comprising forming an aperture through the footwear component and thermoplastic powder subsequent to compressing the thermoplastic powder and the footwear component.

14. The method of claim 1 , wherein the thermal energy is applied to the footwear component at at least one selected from the following:
(1) an ankle collar portion;
(2) a forefoot opening portion;
(3) a heel counter portion;
(4) a toe box portion;
(5) a medial midfoot portion; or
(6) a lateral midfoot portion.

Assignees

• Nike Inc

Inventors

• Ploem Steven Edmund Jan Cornelis
• Tran Thi

Classifications

• A43B7/14 Primary

  with foot-supporting parts · CPC title

• B29L2031/505

  Uppers · CPC title

• B29K2101/12

  Thermoplastic materials · CPC title

• B29D35/12

  Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique · CPC title

• B29D35/065

  by compression moulding, vulcanising or the like · CPC title