Closures With Discharging Device TRIZ Cases

See how a magnetic pivot piece holds the lid open without falling, while threaded sealing preve

See how normally-closed slits in flexible housings open under lateral force to enable controlle

See how a press-button mechanism switches a suction nozzle between connected and sealed states

See how a lid assembly with rotatable flipper, plug, and concentrically aligned apertures preve

See how a radial locking pin engages a bent straw to prevent lid displacement and water leakage

See how a rotatable lid cover with magnetic biasing and gasket sealing reduces spillage by secu

See how a straw cup uses a non-return pad at the straw base to prevent leakage when tipped over

See how a threaded stopper provides audible, tactile, and resistance feedback to indicate open

See how a moveable outlet nozzle aligns with pull direction using a spherical housing and biasi

See how a rotatable valve with removable stopper simplifies lid cleaning and reduces fabricatio

See how a squeeze-actuated spout with live hinge and catch mechanism prevents spillage and heat

See how a rotatable lid with aligned fluid passages enables a single vessel to switch between s

See how an angled seal protrusion on a pivoting lid dome seals against a pliable mouthpiece to

See how a flexible spout with integrated pressure relief valve eliminates suction pauses in chi

See how a central air duct with tunnel-based surge protection prevents liquid spray during pres

See how a tubular flow-path insert deflects sloshing liquids through a controlled path, prevent

See how a toggle mechanism replaces spring-driven ratchet systems in beverage lids, enabling dr

See how a unified actuator opens both the dispensing opening and internal valve to prevent spil

See how a pneumatic bladder expands against retained liquid using pressure differentials to eli

A dome-shaped membrane, ridge, and slit let a child open the spout with light lip pressure while closing quickly to limit spills.

A flexible frusto-conical seal admits air to equalize container pressure while blocking liquid escape when the container is tilted.

Deformable squeeze tabs and a hinged flip-top cap block child access while allowing adults to open the container through a specific motion.

A second lid locks the movable spout closed, improving canister sealing reliability while preserving easy product dispensing.

A rigid reinforcement ring stops flexible spout threads from expanding during tightening, preserving alignment for a secure leak-proof container fit.

A counterflow venting channel returns air to the container to prevent slow turbulent dispensing while cutting emissions and spillage.

Crossing cap and spout projections create a click at full closure, helping prevent cap loosening and confirm secure sealing.

A rotating elbow and snap-fit straw simplify aerosol dispensing, cutting part count, misplacement risk, and manufacturing cost.

A bi-stable hinge and tapered bead reduce hinge stress while keeping the cap easy to open, close, and align with the dispensing opening.

A hinged cap, spud, and fitment improve liquid containment and controlled pouring while adding sterility protection and tamper evidence.

A hinged over-cap, spud seal, and lugged fitment enable clean pouring, leak prevention, and visible tamper evidence for liquid containers.

Bellows sealing and molded locking secure dispensing tubes to standard spout fitments without extra parts or mixed-material assembly.

A metal storage portion resists degradation, while removable pouring and cap parts simplify washing, refilling, and component recovery.

A dual spout bottle cap design enables precise pouring of liquids and powders through distinct opening sizes.

Barb flaps on the lid snap into recesses within the cap base to resist accidental opening during shipping while allowing deliberate consumer access.

Telescopic sections extend the pouring element to reach inaccessible areas while collapsing to minimize space occupation.

Removable slider with detent mechanism prevents accidental opening while enabling easy cleaning of liquid containers.

A breakaway flap pivots on a hinge to open a package closure while maintaining tamper evidence through permanent deformation.

Segmented scoring teeth weaken film before cutting, preventing uncontrolled tearing and ensuring reliable pouring.

An external spout bonded to a flexible pouch uses a self-closing valve to prevent leakage and whey separation during cap-down storage.

Integrating a filter into the dispensing conduit resolves manufacturing complexity by merging components, ensuring pure product flow without adding parts.

A flexible polyurethane sleeve fits over metal pour spouts to protect bartender fingers from scraping injuries.

Merging the pipette and cap reduces device complexity and plastic usage while simplifying manufacturing and recycling processes.

Extension insert device with tubular flow-path deflects sloshing liquids to prevent accidental spills without obstructing beverage accessibility.

Chamfered corners and box apertures enable stacking and pouring without removing the container, reducing plastic usage.

Segmented rotating piercing tip cuts package walls to create an aseptic access flap, resolving reliability and complexity trade-offs.

A push button tilt-top closure pivots to dispense contents while maintaining a secure seal through integrated mechanical locking.

A slide switch plate locks the dispensing outlet when the lid closes to secure liquid contents.

A linked spout cover rotates opposite the spout to seal the inner space against dirt contamination.

A pump assembly uses a sealed gas chamber to drive press rod rebound without metal springs.

A refillable bottle collar uses a flexible ring and buttons to attach applicators securely.

A tube cosmetic container discharges liquid contents in droplet form through a simple structure that reduces manufacturing time and cost.

A paint bucket lid features a hinged flap that opens to allow additional paint pouring while keeping the siphon hose in place.

A pierceable closure valve assembly with a flexible membrane and locking retention member enables rapid fluid connection.

A travel bottle uses a slide switch plate to lock the dispensing mechanism and seal the outlet channel.

A container lip employs a sliding inner ring and fixed sealing ring to release pressurized gas before full opening, preventing liquid spray.

Ribs extend from the top panel to resist pivotal rotation while reducing material volume.

Segmented components resolve leakage risks by anchoring the pour spout independently, enabling easy cap removal without detaching the dispensing mechanism.

Segmented sealing rings resolve misalignment issues by independently engaging spout collars to prevent leakage.

A disposable beverage lid uses a biased self-sealing tab to create a secure drinking passage.

An integrated cap spigot assembly eliminates external draw-off units, reducing device complexity and transportation costs while preventing spillage.