Lasting TRIZ Cases

A segmented sole structure with a lasting board opening reduces footwear mass, resolving the contradiction between stability and flexibility.

Single-step molding merges shell, toe cap, and tendon guard into one structure to lower manufacturing costs and improve comfort.

Segmented kinematic links convert linear actuation into arc motion, enclosing moving parts within a protective casing to prevent operator finger injuries.

Thermo-molding process merges footwear components into single integrally molded upper, reducing manufacturing complexity while improving durability.

A heat deformable exterior layer bonds with a braided footwear component to create a durable composite structure.

Direct bottoming injects polymeric foam into a mold cavity where it expands to mechanically engage the upper, eliminating adhesive application steps.

A magnetic coupling system holds open a footwear upper section to eliminate manual dexterity requirements for foot insertion and securement.

Merging separate boot components into one monocoque structure eliminates seams that add weight and cause premature breakdown.

A string guide module adjusts pulling angles and positions to assemble shoe uppers precisely.

Auxetic apertures in the pre-tensioned sole expand to contour the foot, resolving fit and cushioning trade-offs.

Current monitoring detects dry running conditions to stop the pump, preventing overheating and battery over-discharge caused by pressure switch failures.

Sealed web plies form an air chamber that maintains shoe shape during shipping while reducing packaging weight and volume.

Internal channels in an active last deposit material directly onto the outer surface, bypassing traditional multi-layer manufacturing steps.

A portable steaming apparatus softens footwear materials to enable on-site customization.

Disposable straps secure footwear segments to a last, eliminating cumbersome pins and reducing material costs.

Heating and cooling a thermoplastic sock fuses yarns into a rigid 3D upper, resolving contradictions between production speed and structural precision.

Heating semi-finished products with steam and air to melt thermo-adhesives, then cooling under pressure to stabilize layers without disposable bags.

Removable inserts adjust arch rigidity via segmented supports, resolving static orthotic limitations for personalized heel pain relief.

Interlocking plate-shaped segments resolve fixation reliability while maintaining adaptability to diverse foot geometries.

A seamless extensible film bootie conforms to shoe interiors using elastic stretch and recovery.

Fan-shaped inner spaces and elevated toe rooms prevent foot deformities caused by adult-sized footwear designs.

An adjustable shoe tree deodorizer retains footwear shape and extends service life by combining a stable structural frame with a replaceable deodorant module.

Independent height adjustment of intermediate and upper members enables precise vacuum sealing and thermal fusion of complex geometries.

Foldable stitch lines in a quilted stuffer resolve the trade-off between manufacturing simplicity and elegant appearance quality.

Spring tension in the pulling pin maintains anchorage durability during wear while enabling simple manual removal via guide slots.

A shoe upper mounting machine uses a proportional command pedal to control string-pulling force and speed for precise footwear assembly.

Segmented layers prevent sole deformation during positive pressure shoe fitting.

Vacuum-heated adhesive layers penetrate porous shaping members to bond connection sheets, eliminating complex cutting and sewing steps.

A segmented shoe stuffing device preserves footwear shape using expandable filler and a decorative top loop.

Elastomeric side wings secure the pinky toe without adhesives, preventing protrusion while maintaining shoe aesthetics.

A ski boot last uses a slideable insert and bevel-free pins to position metal plates during shell molding.

Continuous braiding of base and high performance yarns creates a seamless upper that prevents midfoot stretching while eliminating seam discomfort.

Segmented rigid shoe insert uses porous airflow holes to maintain shape and prevent moisture buildup without adding weight.

Vacuum thermoforming secures functional components to a 3D knitted upper, eliminating cutting steps and reducing waste generation.

Heat-induced sublimation transfers reactive inks from digital transfer paper into polyester substrates, resolving ink adhesion and scratch resistance issues.

Recessed alignment marks on segmented plate-shaped parts resolve positioning gaps in shoe upper manufacturing.

Segmented base and additional parts enable easy removal from formed uppers while accommodating individual foot shapes.

Injection molded foam skate boots resolve heavy, expensive manufacturing by merging components into a single lightweight structure.

Solid paper rods with high flexural rigidity replace brittle wood and non-biodegradable plastics in food packaging.

A nonwoven fabric method deposits fiber particles onto a substrate and bonds them with adhesive to create layered structures.