Lasting TRIZ Cases

See how a shoe care device uses exposed dehumidifying material with heater regeneration and dam

See how a portable sport kit box uses porous walls, a false bottom, and optional fan filtration

See how a closed-loop air circulation structure with regenerable dehumidifying material prevent

See how rotational locking parts replace interference fits to secure shoe supports on wind pipe

See how a second fan in the machine room dissipates compressor heat to prevent thermal damage a

See how an accessory port redirects dryer process air to power external tools for shoe drying a

See how a supporter-rail mechanism automatically opens and closes the supply port to prevent fo

See how horizontal shoe orientation prevents sand from entering exhaust ports and moisture from

See how compressible fabric bags replace rigid inserts to maintain shoe shape across sizes with

See how aluminum and other water-reactive materials produce heat and hydrogen gas to dry footwe

See how a laceless shoe upper uses elastic intermediate zones and stiff lateral-medial portions

See how a vertical heating chamber with zoned radiation lamps and movable carrier platform achi

Low-melting additives create heat-shapable shell zones that fit individual feet while preserving ski boot rigidity and appearance.

Warp knitting forms a tube-shaped vamp that is heat-shrunk on a shoe last to cut sewing labor, fabric waste, and sizing inconsistency.

Controlled steam heating with a stand and steaming bag lets users reshape customizable footwear at home to match foot contours more easily.

A modular heel assembly and moisture-absorbing body let one shoe tree fit varied shoe shapes while reducing creasing, odor, and over-pressure.

Interchangeable last sections adjust length and girth to cover more shoe sizes with fewer physical lasts and lower tooling cost.

Hot-pressing unfoamed colored shoe parts before supercritical foaming removes primer adhesion, cuts waste, and enables recyclable multicolor shoe bodies.

Preformed add-on parts let one standard shoe last match width, instep, and arch variations without complex adjustment mechanisms or surface steps.

Patterned polymer threads with a higher-melting core and bondable coating add localized support, stretch, and breathability without heavier upper layers.

Movable core sections and elastic shell engagement keep ski boot shell molds aligned under high pressure while enabling damage-free removal.

Starting from a shoe blank, subtractive cutting creates wearable, customizable shoe styles faster and with less inventory than additive production.

Stretchable upper zones are expanded and locked with rigid elements to cut size variants while improving shoe stability, comfort, and fit.

An inflatable toe bladder conforms to different shoe interiors to prevent creases and preserve shape with adjustable air pressure.

A perforated foot preform enables even thermoforming of knitted footwear uppers, cutting assembly steps, waste, and component damage.

Thermally fused knit layers replace the strobel to cut footwear weight and assembly steps while improving durability and abrasion resistance.

Heat-bonded polymer thread patterns add localized support, durability, and breathability to footwear uppers while reducing extra layers.

Thermoforming places discrete scrap particles between footwear upper layers to reuse waste while adding cushioning and ventilation.

A stretchable shoe upper is sized by controlled stretching and permanently locked with rigid elements, reducing manufacturing complexity while supporting stability and comfort.

A layered toe box protector combines cushioning foam with a polymer core to prevent creasing without sacrificing flexibility during wear.

A reusable last body and patterned extension support robotic handling, precise identification, and efficient shoe assembly.

This footwear case uses a protruding foot-cover feature to prevent resin sag and preserve shape accuracy in vertical stereolithography.

Integrally knits instep and sole cover sections to eliminate cutting and sewing processes that reduce productivity.

A footwear molding assembly applies localized heat and internal pressure to deform plastic shells for custom fitting.

Additive manufacturing creates organic lattices in footwear components to enable user-specific designs and integrated structural features.

Segmenting the heating and molding tools simplifies the process, allowing users to reshape customizable footwear portions with steam without complex equipment.

Inserting a waterproof breathable bootie into assembled footwear creates a sealed inner layer.

Vacuum film pressing bonds shoe components on a last using heat and negative pressure.

Vacuum holes in the base member hold footwear segments in place, resolving alignment accuracy issues while maintaining structural stability.

An inflatable bladder presses a low melting point thermoplastic skin against a heated mold cavity to form a durable, lightweight footwear upper.

Elastic plates conform to three-dimensional product shapes, bonding waterproof sheaths via heat-activated glue patterns.

Extendable fluid ducts in a shoe management apparatus accommodate high boots while preventing interference and contamination.

A bottom-up last assembly shapes footwear uppers using vacuum holes and retractable pins to secure material sections during pressing.

A pump-filled bladder conforms to footwear cavities, enabling precise printhead alignment on complex shapes without rigid mechanical constraints.

A shoe upper manufacturing method joins textiles with distinct shrinkage ratios to form complex three-dimensional shapes through controlled deformation.

A fiber transfer device deposits fibers onto an air-permeable substrate while a variable pressure differential compacts the material into a stable structure.

A customizable shoe last uses a selectively solidifiable moldable material to adjust arch and heel geometries for precise footwear fitting.

A combined lathe-milling machine tilts a rotary tool to finish shoemaking blanks along coordinated axes.

Segmented applicator tips bias flow to the center, preventing squeeze-out and exterior soiling during shoe assembly.

Motorized wedges stretch shoe walls in seconds, solving the time bottleneck of manual stretching devices.

A shoe last injects gas through jet outlets to heat and cool a semi-finished shoe in one step.

Unitary warp knit construction forms a seamless bootie using interlayer stitches to define component outlines.

A knit footwear upper with integrated footbed uses fusible monofilament strands to trap the footbed between panels.

Compressible insert applies pressure to footwear toe box, reducing creases while eliminating odors and moisture without external intervention.

A pneumatically-powered inflatable sock expands to mimic the internal shape of a selected shoe, allowing users to assess fit without the actual product.

Grooves in the shoe sole hold springs that stabilize load distribution when body weight shifts off-center.

A stock fit assembly fixture aligns shoe upper portions to outsoles and midsoles using a movable top plate.

Composite knitted shoe upper with heat-shrinkable and fusible yarns eliminates lateral gaps by molding precisely to the last shape.

Melted hot-melt adhesive bonds the vamp and shaft sections, eliminating heavy decorative pieces that compromise water resistance.

Pneumatic cushion preserves shoe shape without crushing, reducing filler weight and cost.

Digital last replication allows customers to order custom footwear remotely, resolving sizing inconsistencies across different models.

Gas pressure differential bonds coating to fabric over an embossed support, preventing buckling and creases.

Cooled adhesive bonding enables internal midsole positioning, eliminating heavy external soles while maintaining structural stability.

An integrated tensioning strand tightens a knitted upper around a last, removing strobel materials and simplifying manufacturing complexity.