Closures TRIZ Cases

A bracket member features a releasable cover hiding electrical contact points beneath its main face.

A thermoplastic elastomer composition balances hydrogenated block copolymers with polypropylene and polyphenylene ether resins to form medical container stoppers.

A thermoplastic elastomer composition with hydrogenated block copolymer and polyphenylene ether resin enhances plug flexibility.

A valve opening limiter creates additional head loss during dispensing to ensure distinct drop formation while allowing rapid reservoir shape recovery.

Radial bridges engage U-shaped cavities to prevent unauthorized opening of hermetic containers while maintaining simple assembly.

An air-filled intermediary space transmits pressure evenly to multiple containers, preventing oxidation and ensuring complete emptying of viscous substances.

A container cap uses a dihedron membrane covered by flaps to guide transfer members through the opening.

A degradable copolymer bulb with a mister mechanism dispenses talcum powder in a controlled manner.

A reclosable fitment seals canister nozzles during suction machine connection to enable complete fluid evacuation.

Spring biased plunger actuates sleeve valves to stop unused lotion from flowing back into the reservoir, preventing contamination of the remaining product.

Impregnated foam applicators maintain component hydrophobicity to prevent dried abrasive residue accumulation and substrate scratches.

Zinc oxide in sodium-calcium glass enables thin resin jackets, reducing container weight while maintaining structural integrity.

Interconnected cavities stabilize varying femoral stem sizes while a sterile barrier film prevents particulate contamination from friable foam.

A bottle closure uses a press-fitted cork stopper inside a knurled cap for manual operation.

Angular grip prevents unwanted movement and minimizes axial displacement during fluid receptacle insertion.

Integrated axial air vents in the dispensing orifice channel admit air to prevent glugging and reduce manufacturing complexity.

Integrated spout uses weakened line for single-action snap-off, solving multi-step unsealing while maintaining liquid-tight seal.

A stay-on tab assembly rotates about a rivet to shear a scored line on cylindrical fluid containers.

A water bottle cap features a movable valve with an annular flange to direct liquid through apertures or channels.

Ethylene copolymer with epoxy comonomers modifies polyester compositions to enhance material properties.

Segmented mounting adaptor and elastic insert enable repair without compromising membrane integrity.

Corona-modified polyethylene layers enable peelable seals on polyester trays, lowering material costs and simplifying manufacturing.

A dispensing closure with a shaped exit orifice produces a fan-type spray pattern from squeeze containers.

Tantalum powder without sintering protection agents achieves high specific capacitance and low residual currents in solid electrolyte capacitors.

A discharge head uses a switching valve and child-resistant mechanism to control fluid flow through relative component movement.

A rotary discharger mechanism converts shoulder rotation into cam-driven pumping action for controlled liquid dispensing.

Extruding foamable PPE-PS resin with hydrocarbon blowing agents creates hollow articles with high heat resistance and low density.

Flame treatment and multi-layer coating on the container lip resolve humidity reliability issues while managing process complexity.

A reclosable zipper tab engages an opposite track to secure polymeric bags against unauthorized access.

Glass vessel bodies prevent volatile cosmetic contamination by blocking air passage through sealed plunger movement.

A resealable beverage can lid uses a scored opening and rivet system to enable easy access and re-closure.

Segmented baffles in the insert member force product between barriers, reducing dispensing distance and preventing spills during squeezing.

A sliding sleeve closure system manages fluid flow in applicator heads through dynamic mechanical adjustment.

Resilient stabilizing member eliminates complex crimping by snap fitting into the container groove while radial projection seals against the inner wall.

A wine container plug uses selective filters and electrochemical sensors to detect volatile smoke taint compounds in headspace gas.

Segmenting the closure flap via a tear-off web prevents accidental loss of indicator sticks while maintaining tamper-evident protection.

A detachable beverage container pack uses frangible tabs to link individual units for sequential separation and consumption.

One-piece dispensing closure uses helically threaded flights to create a central flow path and peripheral restriction for viscous fluids.

A resilient mouth plug disengages via internal pressure to keep the outlet passage open.

A disposable polyurethane thread protector uses a flexible inner member to secure tubular ends via friction fit.

A reclosable spout lid integrates a dispensing aperture and sealing flap into a single cutlery package unit.

A self-venting enteral syringe system with a hollow tube and plunger features integrated vents and a port with a double-lumen seal.

Upright slots in a rigid base protect bristles from damage while frictional caps seal the container against moisture.

Variable-thickness plastic membranes in dispenser closures stretch during piercing and elastically reseal to prevent leakage.

A hermetically sealed metallic fuel container assembly uses inert gas to prevent vapor escape.

Segmented valve flanks open for needle insertion and seal automatically, preventing contamination during sterile drug container filling.

Segmented cap design isolates rotational forces to prevent inner body stress and leakage, ensuring precise limit stops.

A conical sleeve dispenser with a central aperture and raised ridge forms uniform droplets from viscous liquids.

Removable eye cup aligns with eye socket to deliver drops accurately and reduce waste.