Tire for wheelchairs and the like
US4514243A · kind A · utility
18Cited by
8References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 1982 |
| Grant date | Apr 30, 1985 |
| Priority date | — |
| Expiry date | Jul 9, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10387
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tire for a wheelchair wheel or the like in the form of a composite extrusion comprising a relatively soft, elastomeric casing extruded over a semirigid core. End faces of a length of extruded stock are joined by thermal fusion developed by a ferromagnetic element inserted in the tire and exposed to high frequency electromagnetic radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.