Nokian Tyres has filed a patent for a tread block arrangement for tires. The arrangement includes a tread block with a sipe, delimited by two parallel sipe walls and a bottom. The patent claims a specific width for the sipe. GlobalData’s report on Nokian Tyres 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 Nokian Tyres, anti-skid tyre treads was a key innovation area identified from patents. Nokian Tyres's grant share as of September 2023 was 70%. Grant share is based on the ratio of number of grants to total number of patents.
Tread block arrangement for a tire or tread band
A recently filed patent (Publication Number: US20230264520A1) describes a new tread block arrangement for tires or tread bands. The arrangement includes a tread block with a sipe, which is a narrow groove, delimited by two parallel walls and a bottom. The first wall of the sipe can have inclined sections, creating a unique design for improved performance.
The patent claims that the first wall of the sipe can have multiple inclined sections, giving it a more complex structure. Additionally, the first wall can have alternating concave and convex sections, while the second wall has convex sections opposite to the concave sections of the first wall. The inclined sections are located at the convex sections of the first wall.
Both the first and second walls of the sipe can have inclined sections, providing further flexibility in the design. The frequency of the inclined sections on the first wall can vary, appearing at every convex section, every other convex section, or less frequently.
The surface of the inclined section is described as either a triangle with a base and a top vertex, where the base is closer to the bottom of the sipe, or a flat surface. The top of the sipe can form a sinusoidal pattern, adding to the unique design.
The patent also mentions the inclusion of lamellas, which are thin plates, in the tread block arrangement. The lamella plate has a first surface for forming the first wall of the sipe, a second surface for forming the second wall, and a bottom edge for forming the bottom of the sipe. The distance between the first and second surfaces defines the thickness of the lamella plate and the width of the sipe.
The lamella plate can have alternating concave and convex sections on the first surface, with convex sections opposite to the concave sections on the second surface. The expanded section, similar to the inclined section in the tread block, is located at the concave section of the first surface. The surface of the expanded section can be either a triangle or a flat surface.
Overall, this patent introduces a unique tread block arrangement for tires, incorporating inclined sections and lamellas to enhance performance and traction.
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