Tyre Tread Bands/Patterns TRIZ Cases

Variable-width tread blocks resolve the trade-off between dry braking stiffness and wet grip by using localized sipes to form wiper lips that manage water film.

A tire tread groove features a recess-projection wall portion with alternating flat-bottomed recesses and columnar portions to enhance frictional force.

Targeted tear-off edges on the tire flank break off the boundary layer to reduce air resistance and noise from undefined turbulence at high speeds.

Segmented oblique grooves with inclined flanks enhance water drainage while minimizing rolling noise and maintaining dry road braking stability.

Segmenting the tire sub-layer into base layers with different dynamic shear moduli reduces rolling resistance while maintaining cornering stiffness.

A pneumatic tire uses a conductive linear member to discharge static electricity from the bead to the belt layer.

A pneumatic tire adjusts lateral groove volume ratios across tread regions to manage land portion stiffness and uniformity.

Rounded projections on tread incision walls support lateral forces, maintaining even wear despite irregular abrasion from traditional 3D designs.

Dimples in tire tie bar notch regions balance rigidity to resolve uneven wear caused by excessive structural stiffness.

A tire stud hole features a curved bottom surface swelling outward to improve demolding performance during curing.

Segmented sipes with varying groove widths suppress rigidity differences to minimize toe and heel wear without compromising edge effect.

Segmented multi-layer tread structure adapts material properties during wear to resolve strength versus adaptability trade-offs.

Varying sipe angles in elongated tread blocks creates sub-blocks of different dimensions to reduce noise interference while maintaining uniform wear.

An asymmetric groove base modifies circumferential stiffness to reduce rolling resistance and ensure uniform abrasion across the tread.

An asymmetric tire stud design anchors firmly in tread rubber, preventing pin drop on asphalt while preserving ice traction.

Trapezoidal wave structures in snow tire tread kerfs reduce amplitude from surface to base, resolving snow accumulation bottlenecks while maintaining traction.

Varying circumferential main groove wall angles and expanding chamfered sipes maintain consistent drainage while reducing noise.

Angled transverse grooves improve snow traction while preventing stone jamming that damages tire structure.

A pneumatic tire tread uses long hole shaped depressions in the shoulder region to modify ground pressure distribution.

Increased cross-section rib portions distribute cyclic stress at groove bottoms to prevent cracks and extend tire life.

Varying middle land sipe counts in an asymmetric tread pattern balances noise reduction with steering stability without increasing tread thickness.

Variable groove angles reduce corner wear while maintaining wet traction.

Groove bottom protrusions with angled surfaces compress snow for traction while disturbing airflow to reduce air resonance noise.

Zigzag tread grooves with variable amplitudes reduce energy loss while maintaining chipping resistance in heavy duty pneumatic tires.

Multi-stage tire tread design with varying wear layers manages void content and rigidity to improve wet traction without sacrificing new tire stiffness.

Varying incision widths in shoulder blocks optimize drainage and rigidity, resolving the trade-off between water evacuation and transverse stiffness.

Branching inclined lug grooves maintain snow traction while improving wet grip by balancing drainage flow with block rigidity.

A pneumatic tire design uses asymmetric tread projection and variable cap layer thickness to optimize ground-contact area distribution.

Segmented zigzag grooves balance on-the-snow traction against noise pumping and uneven wear by disrupting sound paths.

V-shaped lug grooves with varying diagonal angles across tread portions resolve the trade-off between snow grip and water expulsion efficiency.

A pneumatic tire center block features intersecting closed and joining grooves to distribute contact force across distinct edges.

Sipes in the land portion compensate for non-uniform stiffness caused by groove protuberances, reducing road noise while maintaining drainage.

A pneumatic tire tread groove features an enlarged bottom portion and a protruding inner wall segment to enhance structural rigidity.

Segmented sidewall protrusions resolve the traction versus damage resistance trade-off in rough-road pneumatic tires.

Segmented transverse grooves with U-shaped end sections channel water through the tread, resolving the trade-off between drainage capacity and tread stability.

A tire tread flow deflector constricts circumferential grooves to accelerate water discharge through venturi and coanda effects.

A tire tread recess absorbs chipped ice to maintain spike contact, resolving accumulation that pushes rubber away from the road.

Recesses collect ice splinters from stud scraping, reducing interface thickness and improving traction on ice.

Segmented crown sipes connect side pieces to disperse snow column forces, resolving the trade-off between ice traction and steering stability.

Transparent globules in a tire reflective layer emit non-retroreflected light to enhance surface visibility.

Circumferential indentations and elevations on the wear pin shaft distribute forces to prevent polymer deformation and twisting.

Asymmetric upper flanges counteract tilting forces in lateral and central tread zones, improving ice traction.

Tapered stud flange directs rubber expansion away from grooves, preserving snow column shear force for improved on-snow traction.

Segmented shoulder flanks with parallel recessed and raised areas enhance traction on snow without increasing total rubber volume.

Segmented friction grips deploy dynamically over the tire to enhance traction on slippery roads, reducing installation time and improving vehicle stability.

Latent grooves activate upon tread wear to restore water evacuation efficiency and wet grip lost through structural simplification.

A pneumatic tire tread pattern uses inclined shoulder tread element leading edges to optimize the footprint contact patch shape.

Varying main groove widths and face angles across the tread resolves the trade-off between wet performance and noise caused by air resonance.

Partial chamfered portions on sipes improve wet braking while maintaining wear resistance.

Segmented tread recesses expand wall face surface area to dissipate heat, suppressing shear distortion and wear under heavy loads.