Resilient composite midsole and method of making
US4667423A · kind A · utility
160Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1985 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | May 28, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B17/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A midsole (18) is formed from a first, interior member (26) and a second, exterior member (28) molded around the top and sides of the first member (26). The first and second members (26) and (28) are formed of cushionable material and the second member (28) has a higher hardness and resiliency than the first member (26).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.