A tire carcass (1) comprises two sidewalls (2) and a crown (3) suitable for receiving, radially externally, a tread (4), the internal surface of the sidewalls and of the crown forming an internal wall (10), also comprising a circumferential tread support surface (6) provided with a layer of thermoplastic elastomer (TPE), the support surface (6) extending from one bead (7) to the other while passing through the sidewalls (2) and the crown (3).

A tire carcass (1) comprises two sidewalls (2) and a crown (3) suitable for receiving, radially externally, a tread (4), the internal surface of the sidewalls and of the crown forming an internal wall (10), also comprising a circumferential tread support surface (6) provided with a layer of thermoplastic elastomer (TPE), the support surface (6) extending from one bead (7) to the other while passing through the sidewalls (2) and the crown (3).

A tire may be re-treaded utilizing a process in which a worn tread is removed from a casing. The worn tread had a first tread pattern. The casing has a tire body encapsulating at least one reinforcing belt, the at least one reinforcing belt embedded circumferentially in the tire body, the at least one reinforcing belt having lateral edges. The first tread pattern comprises a first plurality of universal bands of raised portions, where the first plurality of universal bands were situated over the lateral edges of the at least one belt. A new tread having a second tread pattern different from the first tread pattern is molded to the first casing. The second tread pattern comprises a second plurality of universal bands of raised portions that are situated in the same lateral locations as the first plurality of universal bands.

A heavy truck tire is provided that includes a casing with a central axis, and a rubber tread that has a first layer and a second layer. The first layer is located farther from the central axis in a radial direction than the second layer. The first layer has a lower max tan() than a max tan() of the second layer. The max tan() of the first layer is from 0.06-0.15, and the max tan() of the second layer is from 0.12-0.27. The tire also has a sculptural feature that reduces irregular wear.

A tread (10) for a heavy truck tire having a groove (14) with a bottom (16) and a stone ejector (18) located within the groove (14) that extends upwards from the groove bottom (16) wherein the stone ejector (18) has a front side (20), a back side (22) and an upper surface (24) that extends at different distances upwards at different locations on the upper surface (24) such that a first location (26) on the upper surface (24) is located closer to the back side (22) and extends a longer distance upwards than a second location (28) on the upper surface (24) that is located closer to the front side (20).

A tread (10) for a heavy truck tire having a groove (14) with a bottom (16) and a stone ejector (18) located within the groove (14) that extends upwards from the groove bottom (16) wherein the stone ejector (18) has a front side (20), a back side (22) and an upper surface (24) that extends at different distances upwards at different locations on the upper surface (24) such that a first location (26) on the upper surface (24) is located closer to the back side (22) and extends a longer distance upwards than a second location (28) on the upper surface (24) that is located closer to the front side (20).

The invention includes methods for forming a retreaded tire, and treads there for. Particular embodiments of such methods provide a tire tread, the tire tread having a bottom side and a top side configured for engaging a ground surface, a thickness extending between the top side and the bottom side, and a pair of opposing lateral sides defining a width of the tread, the bottom side having one or more submerged voids extending from the bottom side into the tread thickness to form a tread pattern, the submerged voids having a depth less than the thickness and the top side being free of any exposed voids comprising a groove. Further steps include applying the tire tread to a tire carcass, curing the tire tread to the tire carcass, and forming one or more voids into the tread thickness the top side of the tread after the step of bonding.

The invention includes methods for forming a retreaded tire, and treads there for. Particular embodiments of such methods provide a tire tread, the tire tread having a bottom side and a top side configured for engaging a ground surface, a thickness extending between the top side and the bottom side, and a pair of opposing lateral sides defining a width of the tread, the bottom side having one or more submerged voids extending from the bottom side into the tread thickness to form a tread pattern, the submerged voids having a depth less than the thickness and the top side being free of any exposed voids comprising a groove. Further steps include applying the tire tread to a tire carcass, curing the tire tread to the tire carcass, and forming one or more voids into the tread thickness the top side of the tread after the step of bonding.

A tire may comprise a hub and a plurality of discrete traction elements coupled to the hub. Each of the traction elements may comprise a backing plate and an elastomeric material bonded to the backing plate. Circumferentially adjacent traction elements may axially overlap.

A wheel for a non-motorized vehicle (e.g., a shopping cart) can include a housing assembly and a tread assembly. The housing assembly can be configured to sealingly house electronics or other components. The tread assembly can removably mate with the housing assembly such that the electronics or other components remain closed and/or sealed within the housing assembly when the tread assembly is mated or unmated with the housing assembly.