Sole construction and related method of manufacture
US8171655B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 18, 2009 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Aug 9, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B9/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A footwear construction including an upper, a midsole including a midsole flange, and an outsole shell including an outsole flange. The flanges can project outwardly, away from the upper in the forefoot portion. The flanges can be joined with a direct attach bond and a lock stitch. The flanges can each terminate short of the heel portion. The lock stitch can terminate short of the heel portion, and can be visible above and below the joined flanges. The midsole can include a fully exposed and viewable portion in the heel portion of the footwear. The midsole can include a heel cup integrally formed with the midsole flange. A method for constructing the footwear includes direct attaching a midsole to an upper and an outsole including an outsole flange. The midsole can form with a midsole flange, and the midsole flange and outsole flange can be stitched together with a lock stitch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.