Insole having puncture-resistant properties for safety footwear
US8082685B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2006 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | May 15, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B17/006
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A insole (1) having puncture-resistant properties for safety footwear, comprising an anterior portion (2) extending from a toe region (3) to a metatarsal region (4) of the insole and a posterior portion (5) extending from the metatarsal region to a heel region (6) longitudinally opposite the toe region. The posterior portion (5) comprises at least one substantially rigid layer (8) made of composite material formed from a fibre-reinforced polymer matrix and the anterior portion (2) is formed of a substantially flexible material comprising at least one layer (7) formed of polymer fibres having enhanced puncture-resistant properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.