Pneumatic tires with specified belt cord properties
US4745956A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1985 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | Mar 5, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C9/2006
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A pneumatic tire for use in passenger cars is disclosed, which comprises a carcass as a reinforcement for a tire casing and a belt composed of two parallel-arranged belt layers each containing steel cords therein, the cords of which layers being crossed with each other with respect to the mid-circumferential line of the tire. In this tire, the belt is composed of a combination of a rubberized layer containing flexible and stretchable steel cords of strand construction in the same direction, each cord having a bending resistance of 5.about.1.4 gf/mm as a ratio of load to unit deflection under loading in three-point bending test and an elongation under a load of 3 kgf of 0.5.about.2% in tension test, and a layer and/or a cap composed of textile cords surrounding an outer periphery of each of at least both side ends of the rubberized layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.