Tread for a tire

Details Tread for a tire Tread for a tire

2004-07-30

2008-11-11

Harlan, Robert D. (Department: 1796)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

C152S327000, C152S197000, C524S430000, C524S492000, C524S493000

Reexamination Certificate

active

07448425

ABSTRACT:
A tire tread comprising a rubber composition based on at least:(i) a diene elastomer;(ii) more than 50 phr of a reinforcing inorganic filler;(iii) between 2 and 15 phr of a coupling agent;(iv) an unsaturated metal carboxylic acid salt.This tread has, after mechanical running-in of the tire comprising it, a rigidity gradient which increases radially from the surface towards the inside of the tread, imparting to the tire an improved compromise of grip/behavior properties. Use of such a tread for the manufacturing or recapping of tires. Tires comprising such a tread.

REFERENCES:
patent: 5208294 (1993-05-01), Brown
patent: 6815487 (2004-11-01), Robert et al.
patent: 7066225 (2006-06-01), Rhyne et al.
patent: 2003/0045624 (2003-03-01), Matsunaga et al.
patent: 0420449 (1995-11-01), None
patent: 1101794 (2001-05-01), None
patent: 1439247 (1976-06-01), None
patent: 2042553 (1980-09-01), None

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