Method of making foamed plastisol insoles for shoes
US4296053A · kind A · utility
38Cited by
16References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 1979 |
| Grant date | Oct 20, 1981 |
| Priority date | — |
| Expiry date | May 24, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/60
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for preparing an innersole for footwear by means of molding and curing. The molding and curing is conducted under pressure in a silicone rubber mold by means of electromagnetic radiation. By means of this process, a composite board is fused to a polymeric base to form the innersole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.