Resilient bladder for use in footwear
US6119371A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 8, 1999 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Jul 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/233
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A bladder for use as a cushioning element and footwear incorporating the bladder. The enclosed core is formed of spaced apart first and second fabric layers connected together by a plurality of connecting yarns. The shell is formed of see-through plastic material whereby the connecting yarns are visible through the sidewall. The plurality of connecting yarns preferably are arranged in bands with gaps devoid of connecting yarns between adjacent bands, and the ends of the bands and the gaps are visible through the sidewall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.