Zigzag circumferential sipes and parallel outer lateral sipes raise block rigidity and contact to improve straight-line braking on snow and ice.
Gentle stud body curvature spreads pressure across tread hole walls, reducing localized wear and improving stud retention on icy roads.
Selective sipe terminations and groove connections cut circumferential shear deformation, reducing uneven wear while preserving ice grip.
A zigzag sipe with depth-varying amplitude preserves edge contact as tread wears, helping maintain ice and snow traction.
Strain-based deformation rate sensing estimates tire wear accurately at low speed and across tire sizes using tread thickness data.
A 3D kerf with interlocking bands and a hidden groove preserves kerf space as tread wears, sustaining drainage, traction, and block rigidity.
Bent lug groove edges and controlled land widths increase edge effect and groove volume while preserving tread rigidity across dry, wet, and snowy roads.
Symmetrical groove fences and a central protrusion cut air-column resonance and block stone trapping in heavy-duty tire treads.
Varying narrow groove depth across tread blocks lowers local contact pressure while preserving rigidity, drainage, and anti-clogging behavior.
A stepped shoulder block with an acute-angled tip improves off-road traction while suppressing uneven wear caused by reduced block rigidity.
Varying side block protrusion heights and inclines helps off-road tires grip rocks and mud while reducing chipping.
Groove bottom protrusions reinforce slit-adjacent tread blocks, preserving off-road traction while suppressing uneven wear.
A stepped transverse groove uses a narrowed edge section, ramped plateau, and cut passage to stiffen the tread rib while preserving water drainage.
Longitudinal and lateral holes in the tread land portion cut air column resonance while preserving block stiffness to suppress uneven wear.
Zigzag tread sipes with staggered tie bars reinforce tire blocks under load, reducing strain concentration while preserving on-ice grip.
A segmented single-wave sipe boosts snow and ice grip while preserving tread block stiffness, contact area, and resistance to tangential stress.
Spherical recesses in the tire shoulder cut air resistance while a reinforcing element and support structure preserve stability and wear resistance.
Repeated inclined groove groups replace circumferential grooves to improve drainage while preserving center rib rigidity for cornering grip.
Helmholtz-type tread resonators in main grooves cut air column resonance while suppressing pattern noise and preserving drainage and steering.
Curved, non-constant sipe surfaces improve snow interlocking, boosting winter tire traction and braking while preserving tread rigidity.
Overlapping closed sipes with inclined center segments raise ice friction for braking, driving, and turning while preserving tread rigidity.
Different stud protrusions in the tyre center and shoulders help preserve ice grip over time while limiting stud wear.
Regional tread sipes and overlapping closed sipes improve ice and snow traction while preserving dry-road steering stability.
A high pitch count with transverse grooves boosts snow grip while preserving block resistance to tangential stresses on dry and wet roads.
Through lug grooves with tuned pitch and depth improve snow acceleration while preserving land rigidity and limiting rolling resistance.
Alternating chamfered and non-chamfered sipes preserve water drainage while maintaining rib rigidity and dry-road steering stability.
Asymmetric groove-side projections diffuse sound in the tread groove while avoiding mold rib interference during tire release.
Continuously convex tread blocks push water into grooves while smoothing contact pressure, helping tires wear more uniformly on wet roads.
Alternating straight and radially corrugated tread incisions preserve tire grip while reducing rubber cracking during demolding.
Variable-spacing tread protrusions stabilize snow edges near sipes, improving lateral grip, traction, and winter tread stability.
Combination pitches with varied tread-part lengths spread tire noise frequencies, lowering perceived road noise in directional V-groove tires.
Angled shoulder grooves with widened bottoms preserve water evacuation as the tread wears, while also limiting uneven wear and pattern noise.