Closures TRIZ Cases

See how a multi-position selector enables upright straw consumption and inverted dispensing in

See how a bottle with separate dosing chamber and spray head enables measured pouring and spray

See how an asymmetric guide structure in a cartridge holder ensures secure positioning and prev

See how a cartridge holder with guide, anti-twist device, and piercing release mechanism ensure

See how a folding nozzle actuator locks the pump during shipping, eliminating protruding trigge

See how an elastic member and blocking surface prevent children from opening atomizer packages,

A dosing chamber and sprayer let one bottle pour measured cleaner onto lower grills and spray upper surfaces, reducing waste and awkward handling.

See how telescopic support arms with size-graduated hands enable nested storage of multiple con

See how a narrowed contiguous outlet geometry enables foam dispensing containers to form charac

See how a flexible membrane valve in a drinking tube closes under ambient pressure and opens wi

See how an elastic self-closing valve in a cap automatically seals when the suction tube is rem

See how a bar-shaped fluid applicator uses plunger sealing and air-chamber venting to deliver d

See how a gravity-driven ball lock prevents bottle cap unlocking when tilted, while allowing ea

An integrated spout filter lets a disposable drink lid brew loose-leaf tea while intercepting solids before they reach the consumer.

See how a rim-attached guiding surface reduces splashing and spillage during fluid transfer by

See how a flexible container with one-way valve and flow control prevents caramel wall attachme

See how a cartridge flange with asymmetric positioning means and segmented structure improves d

See how a foldable valve assembly with bent conduit design reduces leakage and manufacturing co

See how a rotatable spout cartridge meters additives into flowing base liquid, keeping the supp

See how a magazine with moveable sealed tubes and push-button activation delivers pre-measured

See how a nested elastic component and hollow base evacuate air from beverage bottles to prolon

See how a foldable frame with disposable bag eliminates brush cleaning, enables compact storage

See how a pour chamber with independent timing liquid system and vent ensures steady flow and a

See how a unitary compliant sealing valve merges cap, shaft, and valve sealing into one compone

See how a damming insert with liquid-pooling chamber and resilient fastening prevents leakage d

See how a movable valve member with biasing mechanism enables variable flow restriction in beve

See how a fillable PCM bladder eliminates pre-conditioned gel pack storage, enabling uniform th

See how a movable valve member with biasing mechanism enables variable flow restriction in beve

See how a lip stopper on food pouch spouts prevents deep insertion, encouraging natural tongue

See how a compressible-cavity dispenser attaches to a cellular phone, enabling portable hand sa

See how a variable flow cross-section mixing chamber expands then constricts to balance solvent

See how internal dividers, aligned lid openings, and hinged panels enable individual condiment

See how a heat-sealed disposable liner with friction cuff eliminates reusable components, reduc

See how a resilient seal suspends a cordless vacuum unit to provide visual and audible vacuum c

See how a resilient two-valve pump uses automatic suck-back to prevent leakage and overcome neg

See how a disposable pouch with post-mix nozzle dispenses syrup directly into the cup, preventi

See how a dual-dispensing lid uses separate pour and sip spouts with removable caps to enable r

See how tessellating code arrangements on container surfaces encode complex preparation phases

See how a resilient housing and sideways-bendable stem with displacement guide enable spray ato

See how a valve member with integrated ledge-cleat structure and gasket eliminates separate ret

See how a single-piece cap integrates a check valve to allow air intake during drinking while p

See how a press-button actuator with lock mechanism replaces twist closures to reduce seal dete

See how a movable seal housing transitions between in-use and cleaning positions to prevent spo

See how a needle-piercable membrane and raised extraction zone enable precise dosing and energy

See how a cutting board with integrated reservoir, peripheral channels, and rotatable drainage

See how a flexible diaphragm seals the fluid outlet in the flow direction to reduce user effort

See how a fillable PCM bladder eliminates pre-conditioned gel pack storage by receiving flowabl

A grooved dosing element and offset through-hole control fluid flow across viscosities, cutting container variants, cleaning burden, and waste.

A flexible reagent reservoir with a one-way filling nozzle enables controlled discharge and more even pool chemical spreading with less manual work.

A sealed guide cover with a narrow channel and balance air hole controls paint flow while reducing spills, cup contamination, and toxic volatilization.

A bendable spout narrows its terminal opening under finger pressure to vary liquid flow, improving portion control and spill prevention.

Geometric flow control redirects liquid inside the closure to remix separated components and deliver smoother dispensing without a membrane valve.

A movable loaded-seal assembly enables anaerobic filling while preserving carbonation, leak tightness, and beverage shelf life.

A rotatable locking element keeps a flip-top cap sealed under carbonation pressure while enabling secure one-handed opening and pressure equalization.

Oblique partition boards and sleeve-box locking improve drop buffering, product display, and child-resistant access in recyclable packaging.

A sliding piston and one-way air valve keep paste confined and pressurized, making semi-solid dispensing easier with one hand.

A segmented inner plug, spring, and large-ring layout simplifies assembly, lowers cost, and improves atomization while preventing back suction.

A two-clip package secures drill bits with posts and a pawl to protect carbide tips during storage and display while fitting multiple sizes.

Push-and-turn cap and base locks prevent child access to flowable medication while keeping adult topical dosing simple and reliable.

A flexible reagent reservoir with a one-way filling nozzle enables controlled discharge for even pool chemical spreading with less manual work.

Separate heat and pressure sealing of inner and outer lids improves adhesion on multi-level flanges and helps block moisture and air ingress.

A sheath-mounted piercing pin opens a sealed reservoir membrane without loading the pump or valve, limiting air exposure and accidental damage.

A same-material inner and outer container structure improves recycling, enables refill replacement, and avoids content contamination during dispensing.

A fill valve and vented nozzle let integrated dropper bottles be filled aseptically without removing the spout, reducing contamination risk.

An attached closure film replaces disposable foil seals, simplifying container manufacturing while preserving tamper evidence and reducing waste.

Interlocking overcap halves and tool access holes block unauthorized opening while allowing authorized dispenser refilling and cleaning.

Two one-way valves in an integrated cap stop coating leakage without squeezing and block air ingress during dispensing to protect material purity.

Ultrasonic or heat welding bonds a resin mouth part to a pouch bag, improving oxygen-barrier sealing, emptying force, and hot-humid durability.

A non-rotating gripper ring carves into the tube nozzle to create an airtight reseal that prevents adhesive degradation and contamination.

A teardrop spout and bi-stable lid-lock keep hazardous-liquid containers open while pouring and closed in storage to reduce spills.

Shock-absorbing sleeves protect the dropper cap, pipette, and bottle body from impact and compression, preventing breakage and leakage.

Angled sliding compartments auto-unlock when extended, improving tool access while keeping contents secure during transport.

Independent rotation of the locking member and actuator reduces sealing wear and friction while maintaining spill-resistant closure during transport.

A compressible valve in a vial cap enables needleless extraction while preserving needled access, cutting assembly time and puncture risk.

Auxiliary reagent ports and ultrasonic welding let a multi-chamber lid accept third-party reagents while maintaining sealed chamber isolation.

Segmented mating parts maintain slidable sealing in a plastic pump assembly, simplifying manufacture while improving recyclability.

A tethered cap and strap keep the catheter sealed yet easy to open, reducing contamination, premature opening, and hydrating medium spillage.

A tapered reservoir with a folding plate and protective film prevents detergent leakage while enabling lighter, nestable containers.

A detachable funnel and vented pour cap improve refill flow, cut spillage, and speed filling of narrow daily-use bottles.

A breakable shear-area tongue locks the sprinkler disk until first opening, enabling tamper evidence and controlled dispensing in recyclable polymer containers.

Separate air and liquid passages enable gravity dispensing without cap removal, reducing contamination risk and supporting container reuse.

A rear-routed vent and tapered nozzle partition equalize vacuum during pouring while limiting liquid ingress and keeping blow molding simple.

Angled upper and lower insertion parts simplify molding and filling, reducing defects while improving dosing accuracy and space use.

A reusable frame with a disposable threaded bag keeps the sauce dispenser's outer screw area clean during use and refilling.

A control valve and air pump stabilize container pressure to prevent leakage, gas bubbles, and dose variation during nebulization.

An inertial valve and elastic reset member use container pressure and siphon flow to deliver smoother liquid dosing with fewer parts.

A hydrophilic microporous membrane stays wetted to block air re-entry, enabling sterile multi-dose dispensing of surfactant eye drops.

An umbrella valve opens under vacuum to vent air into the container, preventing paneling and removing the need for manual vent opening.

A nested cap assembly combines dipstick dabbing and roll-on application in one perfume dispenser, improving flexibility without separate units.

Wireless valve control and POS-linked tracking keep liquor pours consistent, prevent over-serving, and improve inventory accountability.

An attached frangible tamper-evident element shows first opening while keeping the flip-top closure on the container to cut plastic waste.

A squeeze reservoir and absorbent applicator head deliver sun-cream to target skin areas while keeping lotion off the palms for better grip.

A swivel-in push-button enters a receiving recess to break frangible links with lower transverse force and no loose plastic parts.

A higher-friction inner cover and locking features keep the rubber stopper from rotating, preserving airtight sealing on glass or resin containers.

Identically stackable caps and a centering gripper automate secure sealing of varied sample vessels while cutting storage space and handling complexity.

A conical flange and controlled crimp strain keep stopper contact and helium-tight sealing in pharmaceutical containers down to −80°C.

A removable one-way valve lets a deformable food pouch prevent liquid spills while still allowing thicker foods to flow and the parts to be cleaned thoroughly.