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.