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US 2024/0416604 A1Published application
Method and apparatus for forming an apex
AssigneeThe Goodyear Tire & Rubber Company
InventorsHongbing Chen, Christopher David Dyrlund, Adam Mark Baldan
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Abstract
A method for forming a composite apex, the method comprising the steps of: forming a coextruded strip of a first compound and a second compound, wherein the second compound is a compound different than the first compound, wherein the apex is formed from winding the coextruded strip while varying the ratio of the first compound to the second compound.
Claims11
An apparatus for forming a composite apex comprising:
- a first extruder in fluid communication with a first gear pump for pumping a first compound into a first passageway of a coextrusion nozzle, a second extruder in fluid communication with a second gear pump for pumping a second compound into a second passageway of the coextrusion nozzle;
- and
- wherein the first and second passageways are joined together immediately upstream of the die outlet of the coextrusion nozzle;
- a rotatable platen, a radially expandable bead chuck mounted on the rotatable platen.
1 more element
Dependencies are inferred from the claim text.