Soles TRIZ Cases

Replacing rigid lasting boards with a compliant membrane prevents wrinkling and improves balance by preserving tactile sensitivity.

A unitary footwear sole combines SEBS, EVA, and POE into a single compound for injection molding.

Hinged plates and embedded springs store mechanical energy during foot strike to resolve the trade-off between footwear complexity and propulsion efficiency.

An insole uses pressure sensors and adjustable bladders to redistribute foot load.

A footwear manufacturing tool uses a microwave-transparent window to direct energy toward components.

Alternating spring plates and damping material layers absorb impact energy through constrained layer damping.

Modified graphene disperses uniformly in rubber matrices to reduce sole weight by over 50% while improving thermal contraction resistance.

Composite materials and cored-out cavities resolve the contradiction between lateral stability for skiing and traction for walking.

Elongate sole elements increase rigidity under tension to provide propulsive assistance during the toe-off gait phase.

A PEBA-TPU blend forms a foamed article using supercritical nitrogen to expand the preform into a microcellular structure.

Segmented sole sipes improve traction and flexibility by absorbing ground reaction forces during running.

A copolyamide composition with high aliphatic content enables transparent, rigid shoe sole production.

A textile sole design incorporates a nested recess in the lower element to house a viscoelastic damping unit.

A water-based polyurethane dispersion adhesive bonds uncured rubber shoe outsoles directly without UV irradiation or plasma pre-treatment.

Hard interface member mediates bonding between polypropylene sole and thermoplastic polyurethane cleat, preventing detachment under flexing forces.

Fluid pressure conforms the second element to mold surfaces, affixing the first element while reducing removal force from protuberances.

Varying groove and tread widths across heel, midfoot, and toe regions balance flexibility and traction for improved performance.

A sports shoe combines a flexible upper with modular sole parts for lightweight comfort.

An external exostructure with sliding stiff portions modifies ski boot sole stiffness, protecting mechanical elements from ice and dirt accumulation.

A footwear sole with an auxetic layer reduces debris adherence by expanding laterally under compression.

A shoe midsole structure uses a wavy sheet to secure landing stability while improving cushioning properties.

Segmenting the tensile member into separated sections creates flex grooves that resolve stiffness issues while maintaining planar shape stability.

Fluid-filled cavities dynamically adjust internal pressure to manage cyclic mechanical loading, reducing diabetic foot ulcer risk.

Mechanical devulcanization creates fine recycled rubber particles that bond with virgin material, resolving poor physical properties from chemical methods.

Dynamic heel rotation distributes weight across a larger surface area, reducing trauma to the heel bone during walking on hard surfaces.

Sequential temperature-controlled mixing of dandelion latex, BR, SBR, and silica resolves durability trade-offs in lightweight midsole production.

Circular stud groupings on the medial side improve rotational and transverse movement capabilities while maintaining traction stability.

Auxetic sole assembly extends base layer protuberances through apertures to deliver tactile feedback.

A movable support plate slides along a rail within the midsole to adjust stability, resolving the trade-off between versatility and performance.

Viscous fluid and gas chambers in a bladder assembly conform to foot shapes, limiting inner surface movement via fabric members.

A resilient cushioning device with interconnected chambers via a corrugated passageway adjusts to fit various shoe sizes and configurations.

Independent wave pattern lugs in a dual-layer midsole dissipate vertical and horizontal forces while reducing preloading.

Segmented heel studs with rounded geometry improve traction and stability during directional changes.

Auxetic sole structures expand laterally under tension to deliver customized cushioning and traction across different foot regions.

Integrates stitching into injection molding to resolve the trade-off between manufacturing complexity and product durability in footwear production.

Roll-up resin plate maintains toe flexion until takeoff, resolving jump height and speed trade-off.

Segmented chassis layers and local quality ribs resolve stiffness trade-offs by providing targeted midfoot support while allowing forefoot flexure.

Segmented knit and woven layers balance flexibility with puncture resistance, resolving the trade-off between strength and ease of operation.

A ski boot pivots its heel and cuff to allow rearward shoe insertion.

Side-mounted resistive devices store mechanical energy while piezoelectric elements generate electrical pulses to charge a detachable power bank.

Discrete outsole lugs transfer localized pressure to the midsole, restoring ground sensation while maintaining impact attenuation.

A vapor-permeable shoe sole element uses a waterproof membrane stretched over a supporting frame to allow water vapor evacuation.

A flexible cage structure with support arms and linking members distributes forces across a midsole cavity system.

Sole grooves channel exterior air into the shoe interior, preventing debris entry while enhancing comfort.

A bi-layered orthotic device integrates a carbon fiber inlay to provide anatomical stabilization within footwear.

Segmented elastomeric layers in a slit midsole deliver consistent cushioning while simplifying manufacturing complexity.

A spring orthotic device uses a planar spring plate and dual pivots to absorb ground reaction forces.

Intersecting diagonal stitches protect threads from debris entry while maintaining structural integrity without compromising aesthetic appearance.

Segmenting the footbed into detachable support modules resolves the contradiction between rigid structural stability and user comfort adaptability.