Tire including block having continuous ridge and small groove
AssigneeSumitomo Rubber Industries, Ltd.
InventorPeter Robert Marriott
Life of this patent
Estimating the term…
Abstract
A tire having a ground contacting tread comprising tread grooves which divide the tread into a plurality of tread pattern elements provided on its radially outer surface with a radially outwardly projecting ridge disposed on an edge of the pattern element and at least one radially inwardly projecting small groove extending to the projecting ridge which facilitates the dispersal of trapped air in the molding and vulcanization operation of the tire manufacturing process.
Claims13
A tire having a ground-contacting tread portion comprising tread grooves dividing the tread into a plurality of pattern elements, each of said pattern elements comprising a tread block, and having edges wherein at least one pattern element is provided on its radially outer surface with a radially outwardly projecting continuous ridge which defines the edges of the pattern element and at least one radially, inwardly-extending small groove which extends across the pattern element to reach the outwardly projecting ridge without crossing the ridge.
A tire which comprises:
- a ground-contacting tread portion which is divided by
- a plurality of tread grooves into a plurality of tread blocks, each of said blocks having peripheral edges, each of said tread blocks being provided on its radially outer surface with a radially, outwardly-projecting continuous ridge which defines said peripheral edges of the tread blocks and each of said tread blocks containing a plurality of radially, inwardly-extending small grooves which extend across the tread block to reach the outwardly-projecting ridge without crossing the ridge.
Dependencies are inferred from the claim text.