Closures TRIZ Cases

Segmented release layer dissipates pulling stress to prevent tearing at the tab hinge joint during removal.

A medicinal vial stopper features a dual-bore plug with a resilient piercable flange that conforms to the spike shaft.

Segmented paperboard bottom closure supports heavy loads while enabling flat folding, integrating a detachable note card for customizable presentation.

Multi-layer bubble valves bias channels closed, reducing manufacturing complexity and time for flexible packaging.

A child resistant metal container uses a rotating dual cap assembly to secure contents while enabling full recyclability.

Eliminates separate transfer and assembly steps by forming packaging components integrally with containers, reducing cycle time.

A flip cover closure provides easy access to a sterile fluid stopper, resolving contamination risks from sharp edges and difficult opening.

A container seal uses pull tabs to create variable sized openings for liquid dispensing.

Injection molded semifinished pouring nozzle and cutting element prevent teeth damage during fitting to reduce rejects.

A multi-component food package uses steam from a lower container to heat an upper container.

A container uses a vapour permeable vent membrane to manage internal pressure while maintaining liquid containment.

Segmented obturation elements manage lyophilization venting without compromising hermetic sealing integrity.

A vent assembly integrates a duck-billed valve into the teat structure to equalize container pressure during infant feeding.

A reclosable stopper uses a dual-density structure to enable easy resealing, preventing wine oxidation from oxygen transfer.

Seals a plastic foil membrane to an annular support surface using energy emission and groove geometry, preventing bulging without complex injection molding.

A barrel-shaped punch with a protective coating pierces the inner seal of a cosmetic tube, preventing damage during assembly misalignment.

A dropper container uses a synthetic resin elastic body to elastically support the push button for consistent piston movement.

A venting closure manages internal container pressure through a porous medium and sealing element.

U-shaped fixing parts pre-position a hose clamp to prevent twisting and axial displacement during installation.

Adjustable spray head regulates aerosol discharge rate via internal needle valve positioning, resolving inconsistent flow control in paint applications.

Segmented housing and dynamic resilient valve member enable easy retrofitting while preventing emissions across varying regulatory requirements.

A container cover assembly uses induction to drive plates sliding along guide slots for rapid opening.

A collapsible sheath expands via fluid pressure to create an elongated aseptic passageway between a beverage container and a dispenser.

Grooved nozzle port retains ink via capillary action, preventing dripping and trickling during supply.

Merging closure cap and actuating part into a single molded piece eliminates assembly damage while ensuring long-term engagement reliability.

Vapor-vent channels in the interior cap shell release trapped gas to prevent residue evaporation and product waste.

An asymmetric opening in the non-bonding section concentrates stress to prevent premature seal removal and ensure reliable gas discharge.

A pet water bottle uses a spring-less stainless steel ball valve to let animals lap water directly from the dispenser.

A plastic elastic member connects to the container in a reciprocating pump design.

An inclined hinge member moves a cap laterally away from the container aperture during opening.

An integrated hollow tube bends during bottle rupture to guide liquid flow through a cap without external assembly.

A resilient valve flap closure mechanism maintains airtight seals on flexible pouches.

Outer nozzle moves forward by content pressure to discharge contents while blocking rod prevents air inflow and stops nozzle deformation.

A protection member uses a rotating cap to seal ink supply ports and air holes on cartridges.

Segmented hexagonal drives eliminate notch breakage and worker injury during pipe thread installation.

A threaded pipe protector assembly uses an exposed fastener on the cover side to secure a tubular retainer without radial tool access.

An integrally formed shoulder bush and portion seal the space between components to maximize pumping effect.

Splitting release flap activates a latch mechanism that maintains child-resistant properties after repeated openings.

Segmenting the bottle into a transparent blow molded top and opaque injection molded bottom creates a glass-like appearance while preventing horizontal rolling.

Segmented pressure equalization prevents door sticking in sealed substrate containers without complex screw fastening.

A tapered silicone rubber valve with a 0.2 mm first end and 0.1 mm closing part thickness opens automatically under pressure.

A valved container assembly uses a resilient seal to control fluid flow through a bypass channel based on internal pressure thresholds.

Inwardly directed beads form a free space in the capsule casing, compensating for diameter tolerances and absorbing impact energy without thermal fixation.

A spiral-grooved container body uses a rotating reducing cutter to trim the cylindrical wall, shrinking volume as contents are consumed.

A tire sealant closure element uses a pressure-sensitive opening mechanism to discharge fluid directly into a vehicle tire.

A medical rubber stopper resin composition blends block copolymers with polyolefins to enhance needle pricking characteristics.

A resealable closure device with a raised edge pierces foil seals automatically to maintain hermetic conditions.

A rotating nozzle assembly with multiple operational states adjusts liquid output patterns on squeeze bottles.

A polypropylene cap slip agent mixture of saturated fatty amides and glycerol monostearate provides torque release.

A sealable pourer uses a rotatable cap to align orifices for controlled liquid dispensing.