Gelled lubricant composition for run-flat tires comprising polybutene acrylic or polyolefin gelling agent and particulate solid puncture sealing material
US4294730A · kind A · utility
12Cited by
15References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 2, 1979 |
| Grant date | Oct 13, 1981 |
| Priority date | — |
| Expiry date | Oct 2, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10684
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Compositions for application to the interior surface of the tread of a pneumatic tire to facilitate relative movement between contacting portions of the interior surface when the tire is driven deflated, comprise a polybutene, an acrylic polymer or a polyolefin as a gelling agent for the polybutene, and a particulate solid puncture sealing material. Preferred gelling agents are polyethylenes, especially a mixture of high density and low density polyethylenes. Examples of suitable puncture sealing materials are rubber crumb and wood flour.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.