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.