Method of vacuum forming a footwear upper
US9894960B2 · kind B2 · utility
2Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2014 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Sep 17, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/505
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of making an article of footwear may include applying an environmental pressure differential across a sheet of upper material to conform the sheet of upper material to a portion of a footwear last, thereby forming at least a portion of an upper of the article of footwear. In addition, the method may include assembling the article of footwear including fixedly attaching the upper of the article of footwear to a sole structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.