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AssigneeThe Goodyear Tire & Rubber Company
InventorsJames Oral Hunt, Michael Christopher Kulton, Paul Bryson Allen, Timothy Lee Fry
Estimating the term…
A wrap-around toeguard 18 for a pneumatic tire 10 has a carcass ply 12 or plies 12, 14 with a locked tie-in construction. Each wrap-around toeguard 18 is a non cord reinforced elastomeric unitary strip wound 360.degree. in a singular annular bead. The wrap-around toeguard cord reinforced unitary strip 18 can be formed of a single elastomeric composition having a shore hardness D of greater than 40. Alternatively the wrap-around toeguard may additionally include an apex portion 29 and a chafer portion 27 along with the toeguard portion 28, each portion 27, 29 being co-extruded or otherwise hot formed and shaped with the toeguard portion 28 to form the unitary strip 18 and can have distinct elastomeric composition relative to the toeguard portion 28.
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The pneumatic tire of claim 8 wherein the wrap-around toeguard is a non-cord reinforced extruded or hot formed strip having two or more elastomeric compositions which are co-extruded or hot formed to form a unitary strip.
A toeguard for a pneumatic tire as an intermediate article of manufacture comprising a unitary strip of the wrap-around toeguard having an uncured cross sectional profile thicker in the mid-region at the location wherein the bead core is to be positioned as compared to the ends;
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Dependencies are inferred from the claim text.