Goodyear Tire & Rubber patented a pneumatic tire design with multiple layers of open cell noise damping foam strip material attached to the innerliner below the tread portion. The layers are interconnected with male and female dove tail connectors, filling 8% to 40% of the tire cavity volume. GlobalData’s report on Goodyear Tire & Rubber gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Goodyear Tire & Rubber, Anti-skid tyre treads was a key innovation area identified from patents. Goodyear Tire & Rubber's grant share as of February 2024 was 86%. Grant share is based on the ratio of number of grants to total number of patents.
Pneumatic tire with noise damping foam layers
The granted patent (Publication Number: US11912072B2) discloses a pneumatic tire design featuring multiple layers of open cell noise damping foam strip material within the tire cavity. The tire comprises two bead portions, a tread portion, sidewalls, a carcass, and an innerliner. The foam strip material layers are interconnected through male and female dove tail connector elements, with each layer having specific dimensions in relation to the tread width and radial thickness. The total volume of the foam strip material layers within the tire cavity ranges from 8% to 40%.
Furthermore, the patent claims specify the density range of the open cell noise damping foam strip material, the composition of the material (polyethylene foam or foam rubber), and variations in the volume percentage of the foam strip material layers within the tire cavity. The design allows for effective noise damping properties while maintaining specific dimensional and material consistency across the layers. The interconnected layers provide a structured approach to noise reduction within the tire, enhancing overall performance and user experience.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
