Closures TRIZ Cases

See how a segmented airway with top air extraction and bottom pump outlet prevents fluid suctio

See how a universal beverage appliance selectively introduces pressurized gas to produce 0-5 vo

See how a magnetic actuator and movable arm seal a drinking opening with minimal beverage conta

See how an adjustable closure part in the lid wall allows steam escape during cooling, reducing

See how a cartridge mixing nozzle with one-way valve prevents backflow contamination, enabling

See how segmented projections of varying sizes enable consistent stain treatment across delicat

See how a vent conduit and check valve enable gravity-driven high flow rates in rigid sport bot

See how variable side wall thickness with local reinforcement enables lightweight stackable con

See how interior circumferential grooves in an elastomer container wall enable easy dispensing

See how convex-concave elastomer geometry with impact-resistant base enables precise small and

See how a nested inner cover with flexible locating tabs enables easy refilling and secure posi

See how a cradle and sliding lock mechanism securely engages the container to reduce leakage un

See how a shifting mechanism moves the spring between standby and non-standby states to prevent

See how a beverage container lid uses separate beverage and gas openings with lower-side sealin

See how a coupling shell with pre-positioned canula and support zones protects the membrane sea

See how form-fitting recess guidance, flexible membrane sealing, and inline piercing prevent le

See how variable wall thickness with tapered geometry and localized reinforcement reduces conta

See how a spring-biased sliding cover enables one-handed cocktail pouring while maintaining sea

See how a coupling shell with support zones, neck fitment, and recessed membrane seal reduces l

See how a pressure-relief device integrated into the closure disc vents excess pressure before

See how a pivoting operating element combines pressure regulation and lever-assisted cover remo

See how a hinged cap with stop bodies limits opening angle to promote self-closure, preventing

See how a threaded concentrate container couples to a drinking container outlet, enabling conve

See how a container lid uses a slidable cover and pivoting plug to independently control two ho

See how offset blade positioning and unitary spout design prevent finger injuries, enable straw

See how a hinged cover with pressing ring, button lever, and snap-fit portions enables one-hand

See how a magnetically coupled slider mechanism enables secure sealing to prevent spills while

See how a segmented coupling shell with nested neck fitment and recessed membrane seal reduces

See how a rotatable spout unit mechanically opens an airtight seal through cam-driven motion, b

A dual-spout bottle integrates pill storage and a deployable straw to support normal drinking and easier pill swallowing on the go.

See how a flexible valve responds to child suction force to enable fluid flow while automatical

See how split markings on cartridge and housing form a readable code only when assembled, enabl

See how a segmented coupling shell with recessed membrane seal prevents leakage under mopping f

See how a dual-passageway elastic straw-vent assembly equalizes air pressure before liquid flow

See how a non-concentric lumen and piercing element improve beverage pod extraction efficiency,

A frangible air vent and latch-controlled pump assembly prevents inverted bottle leaks and provides clear tamper evidence after use.

A pivoting ball-joint lid opens the valve only where pressed, giving children controlled drinking flow while preventing leaks.

See how a one-way valve and compressible pouch enable hygienic feeding of viscous foods by prev

A lifting mechanism raises the sliding push piece to cut seal friction and silicone wear, helping keep drinking liquids clean and hygienic.

See how a drawer-coupled piercing tube automatically opens sealed replacement containers, enabl

See how a nested dual-container design with annular-space filtration prevents coffee grounds co

See how a dispersing disk and conical splashguard direct beverage flow along container walls to

See how a mirror-based imaging apparatus enables low-cost distributed kiosks for secure smartph

See how a soap dispenser combines top pump and bottom valve mechanisms to enable one-handed dis

See how a pre-filled infant bottle uses exothermic heating and sealed chambers to warm formula

See how a suction-activated flexible valve and simplified two-part assembly help children trans

A slit dispensing valve and one-way base liquid valve improve one-hand additive mixing by preventing drips and maintaining steady flow.

See how a slit valve closure with tethered lid and one-way base valve prevents dripping and lea

An eccentric through-hole and captive locking screw hide direct access, making connector safety caps harder to tamper with and less prone to screw loss.

Opposed patterned electrodes detect packaging tampering through capacitance changes, improving inspection accuracy without manual checks.

A labyrinth ventilation channel lets wafer pucks equalize pressure during vacuum and inflation while blocking dust and preventing contamination.

Uses internal thread engagement and a valve-opening member to drain ESS coolant cleanly from modern heavy-duty vehicle connectors.

Excess gas in pouch-type secondary batteries is released through a ball-sealed vent with a chamfered metal passage and fused polymer sealing layer.

A hemispherical ball and elastic plate spring vent pouch-cell gas while reducing spring bending and opening-pressure deviation.

Interchangeable cylindrical sections let damaged threaded parts be replaced while locking the protector securely and reducing waste.

A flanged sleeve with fewer internal threads speeds protector installation and removal while securely protecting tubular pin threads.

A resilient valve member and pivoting operator make container pressure balancing easier and add audible feedback when air pressure equalizes.

A two-piece cap keeps small-diameter thick-walled pipes clean during bending and allows one-touch removal after inspection.

Heated plastic deformation bonds an end element to a thin-walled receptacle in inert gas, creating a gastight seal without weld HAZ or residual stress.

One-way pressure relief valves vent excess gas from sealed beverage pods to prevent bulging or rupture while preserving freshness.

Increased plug friction and guarded tool access help fire connection caps resist theft, vandalism, and thermal expansion failure.

Movable partial bodies adjust recess width to securely stack and transport plate-shaped objects of different thicknesses while protecting edges.

Two movable sub-bodies create an adjustable recess that clamps plate-shaped objects securely for stacking and transport without edge damage.

Resilient protrusions deform the valve against the container wall, enabling air evacuation and vacuum sealing even in thin-walled containers.

A removable two-piece bucket cap ball valve maintains a tight seal during dispensing while allowing easy cleaning and reassembly.

Elastic solid and hollow rings auto-lock a wellbore pipe end protector for secure transport, while an annular tool enables easy release.

Keys, notches, and grooves lock the plug into the valve to brace the container lip in drop tests and add tamper-evident access protection.

A low-profile cap with a resilient marker or magnet lets concrete be screeded flat while protecting pipe ends and revealing their position afterward.

A magnetic securing sleeve grips the inner wall of tubing to protect pin threads while cutting attachment and removal time in oilfield handling.

Force sensors track wheel-induced deformation during cap fitting, enabling automatic seal verification and consistent bottle closure.

Force-sensor feedback checks whether a cap is correctly fitted to a closure body by comparing thumbwheel deformation signals with an acceptable range.

Keyed plug engagement braces the valve lip during drops while preserving chemical compatibility, sealing, and tamper evidence.

A removable end member and interference-fit protrusion let the protector stay on the pipe during drifting while preserving impact protection and sealing.

An offset closure-piece margin creates a cutting edge that cleanly shears the plastic layer, lowering can lid opening force and avoiding torn seals.

An integrated cup, spacer, ring, and cap protect coated pipe ends, bevels, and collars from corrosion and impact through transport and field welding.

An elastomer base absorbs transient pressure spikes in bottom-dispensing containers to limit leakage from impact, handling, and temperature changes.

An elastic interference-fit stopper blocks solder from entering the assembly portion while staying retained under vibration and removable after soldering.

Dual rotary valves seal both cap sections before separation, minimizing leakage and biological contamination during aseptic disconnection.

A hooded transfer aperture and keyed nozzle alignment keep printing substance sealed until mating, reducing leaks, spills, and contamination.

A flat double-channel suction tip and divided main pipe boost liquid flow from IBCs and barrels while reducing residual waste.

Grease evacuation apertures and a collection groove remove excess thread grease, helping prevent tubular connection failures during drilling.

An elastic pressing member reinforces the thermal bond in a flexible fermentation container to prevent carbonic acid leakage during beverage making.

Excess grease is captured and evacuated through a groove and apertures, helping tubular threads engage smoothly without connection failure.

A rotating tab and preformed seal reclose the pour opening on a lightweight can end without adding costly manufacturing steps.

A dual-material pipe end protector uses a rigid engaging portion and elastomer bumper to resist impact, pull-off, and electrolytic corrosion.

A lockable removable end member lets the pipe protector stay on during transport while enabling faster drifting and impact absorption.

An integrated bladder relief assembly opens at a set pressure to prevent overpressure in single-acting cordless hydraulic pumps.

Factory-applied cups, spacers, rings, and caps protect coated pipe ends and interiors while preserving collar roughness for field welding.

An integral break-off plug seals an aluminum hose without a plastic cap, cutting recycling impurities and cover cost.

Amorphous polyester resin films help can lids resist score-line damage, tear cleanly, and reduce corrosion risk after opening.

A two-part nut with groove-protrusion coupling fits different inlet port diameters while simplifying manufacture and reducing fuel loss.

Tempering an injection-moulded plastomer valve at 50-60°C improves recyclability and preserves self-closing behavior during hot-fill use.