Closure Using Stoppers TRIZ Cases

Segmented closure lugs engage retractable link members to resolve cumbersome manipulation while ensuring a leak-proof seal.

Lateral signalling apertures on a liquid dispenser nozzle define clear captions, resolving the trade-off between production cost and symbol visibility.

A dispensing apparatus uses mechanical keying means to verify container identity before fluid delivery.

A rotatable actuator cap separates a spray channel from a valve stem, eliminating the need to remove the cap for activation while ensuring safe deactivation.

Segmented flange and annular lip prevent accidental unscrewing during transport while allowing easy release for container replacement.

Segmenting the tear band from the main closure body allows the hinge to maintain structural integrity and stackability while providing tamper evidence.

Segmented guide rails with extensions reduce welding distortion while spaced holding elements prevent microbial contamination.

Segmented outsert resolves sealing complexity by mounting swing cap prongs into dedicated indents.

Segmented protective coverings prevent accidental actuation by children while allowing adults to access the medium through a specific removal sequence.

Segmenting the closure into a hollow reservoir and primary seal separates two liquids without increasing external device complexity.

Catch cams on the atomizer head prevent unwanted twisting during use, ensuring stable spray direction alignment.

A composite stopper uses a circular anchoring edge to mechanically join an insulation element to a cork base.

Elastic hinge cover expands into small bracket holes to secure suspension arm space without reducing structural rigidity.

A container stopper with a multi-lock structure secures the upper and lower parts against external shocks.

A beverage closure integrates inlet and outlet channels with pressure relief valves to manage gas flow within the container.

A container stopper uses a foam-molded thermoplastic elastomer to provide pull-out performance.

Diameter steps on the plunger create a valve seat, reducing part count while maintaining seal integrity.

A rotatable collar on a foam pump dispenser head provides locking and venting functions through integrated mechanical surfaces.

A container lid uses dual protrusions and recesses to enable easy sample insertion while securing the seal.

An airtight preservation system uses a compensation casing to maintain constant internal pressure during fluid delivery.

A lanyard-mounted spray device uses a holder-based safety mechanism for rapid one-handed deployment.

A fluid delivery device uses a biasing mechanism and trigger to decouple flexible catch members from the housing.

A waterproof breathable plug uses an arched protection net to secure the membrane and prevent insect damage.

A bottle closure assembly uses a gravity-responsive valve to isolate sediment during sparkling wine production.

Segmenting the vacuum stopper from a decorative cap resolves the contradiction between extending wine drinking life and improving appearance.

Asymmetric tab and slot geometry constrains spool rotation, preventing inadvertent product leakage during hose-end sprayer operation.

A multi-projection tool engages tube caps to lift them off surfaces, preventing contamination during laboratory operations.

An integral cap-stopper assembly moves between positions to vent vapor during lyophilization without lifting the vial from the tray.

A reclosable container closure mechanism covers the dispensing mouth with a stopper tip and rigid collar to prevent user contact.

A plunger-based cork applicator expands inside a bottle neck to create an airtight seal.

Axial ribs on a dispensing pump hoop engage sleeve splines to prevent plastic deformation during assembly.

An intermediate body with snap-action coupling allows easy separation of the dispenser head while preventing accidental unscrewing during transport.

A manual metering pump uses a locking tongue to seal the dispensing spout under pressure.

A wine bottle closure contains a void filled with an inert gas to block oxygen ingress through desorption.

A dispensing closure employs a rotational stop mechanism with child-resistant locks to prevent accidental cap removal while maintaining controlled access.

A spray dispenser uses a hinged closure and latch mechanism for easy cartridge replacement.

A bottle closure with a rectangular neck and hook-shaped rim enables cork rotation and rocking for effortless removal.

A tampon applicator package assembly uses a cap to enclose the barrel and plunger for secure one-handed operation.

An asymmetric moving element on a container stopper improves grip while maintaining childproof security through visual contrast.

A tap assembly cover engages the actuation member to prevent accidental release during storage.

A cylindrical box cork stopper engages a receptacle bulge via a shoulder groove to create a secure mechanical seal.

A synthetic closure combines a foamed core with a dense outer skin to balance compression recovery and gas impermeability.

A foam dispenser seal expands under compression to create an airtight barrier between the container and cylinder device.

A stoppering device uses a detaining mechanism to limit pusher movement and introduce charges into elongate receptacles.

Stearamide additives reduce oxygen permeability in foamed thermoplastic closures, preventing wine oxidation while maintaining sealing integrity.

A locking sleeve guides a dispensing head and encapsulates a spring to prevent skewing during actuation in manual piston pumps.

Segmented retention lugs break away during removal attempts, providing clear evidence of tampering and ensuring regulatory compliance.

A resealable container lid assembly uses a cam mechanism to rotate the cap and fracture a score line for opening.

A removable shield prevents leakage from viscosity changes during storage, while a spring mechanism ensures controlled dispensing when needed.