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US 2024/0375446 A1Published application
Studded tyre having grooves
AssigneeNokian Renkaat Oyj
InventorsMikko LIUKKULA, Aappo LAITILA, Lauri HEIKKINEN
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Abstract
A tyre includes a tread having tread blocks such that grooves are arranged between the tread blocks and studs installed into at least some of the tread blocks. The tread blocks define a land portion of the tread, and an envelope surface consisting of the land portion of the tread and a sea portion. An average land ratio of the tyre defined as a ratio of total land area to total envelope area, is 55% to 78%.
Claims15
A tyre comprising:
- a tread comprising tread blocks such that grooves are arranged between the tread blocks, and
- studs installed into at least some of the tread blocks, wherein:
- the tread blocks define:
- a land portion of the tread, the land portion comprising parts of the tread blocks and the studs arranged to contact a surface in use of the tyre, the land portion having a total land area, and
- an envelope surface comprising the land portion of the tread and regions defined by openings of the grooves, the envelope surface having a total envelope area, and
- an average land ratio of the tyre, the average land ratio being defined as a ratio of the total land area to total envelope area, is 55% to 78%.
3 more elements
Dependencies are inferred from the claim text.