Wheel including tread
US8689845B2 · kind B2 · utility
8Cited by
48References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2011 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Nov 13, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/322
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Wheels and methods of making wheels are disclosed including an inner portion and a tread mechanically coupled to the inner portion. The tread may be mechanically coupled to the inner portion on an inside and an outside of the wheel. The inner portion may include a rim including a plurality of apertures. The inner portion may be high density polyethylene and the tread may be thermoplastic elastomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.