Precure tread for tire including surface and rear grooves

Details Precure tread for tire including surface and rear grooves Precure tread for tire including surface and rear grooves

1993-09-14

1995-08-29

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

156 96, B60C 1100

Patent

active

054456916

ABSTRACT:
A precure tread for a tire has surface grooves facing a tread face, rear grooves facing a crown portion of a base tire, and a passage for communication between the grooves to atmosphere. The groove bottom of the rear grooves is located at a high level than a groove bottom of the surface groove in the radial direction. The tire durability can be considerably improved when this precure tread is applied to a new tire or a retreated tire.

REFERENCES:
patent: 2770282 (1956-11-01), Herzegh
patent: 2960138 (1960-11-01), Chiodo
patent: 2966936 (1961-01-01), Schelkmann
patent: 3115919 (1963-12-01), Roberts
patent: 3455753 (1969-07-01), Schelkmann
patent: 4230511 (1980-10-01), Olsen
patent: 4664166 (1987-05-01), Benisti
patent: 4934426 (1990-06-01), Remond

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