Insole and method of producing the same
US4231169A · kind A · utility
66Cited by
6References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1978 |
| Grant date | Nov 4, 1980 |
| Priority date | — |
| Expiry date | Jun 21, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A light insole, with a high modulus of elasticity, which has a shank comprising a fiber-reinforced resin sheet and which is produced by putting a shank element on an insole element and heating under pressure to mold the sheet and adhere the sheet to the insole element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.