Anti-fatigue ply rib construction
US8943708B2 · kind B2 · utility
3Cited by
24References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2012 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Oct 10, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D35/142
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An improved welt construction for use in a welted shoe is disclosed, in which the construction contains a number of components, including: (1) an anti-fatigue layer with tapered recesses for providing cushioning; (2) a rigid shock diffusion welt-frame back part; (3) a flexible forepart welt-frame; (4) a torsional shank; and (5) a flexible ply rib, which may surround a periphery of the support system. Methods of: (1) constructing a shoe utilizing the aforementioned welt construction; and (2) manufacturing the aforementioned welt construction through the use of a mold(s) are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.