Closures TRIZ Cases

Segmented lid components engage via a catch button and latch hole arrangement, balancing adult accessibility with child safety requirements.

A separable web links a closed tamper-evident band to the cap, preventing waste generation by maintaining the closure as a single recyclable unit.

A fitment assembly venting pressurized air via a pressure relief mechanism to prevent vacuum formation during high pressure processing.

Concentric pleats enable stable vertical extension of the spout, reducing spill risk during manual pouring.

An embedded electrode design eliminates lead frames in solid capacitors, reducing equivalent series resistance and improving high-frequency performance.

A sparkling wine sprayer with a quick release lever and trigger valve mechanism.

Segmented vent tubes and a sealing reservoir resolve the contradiction between ease of consumption and reliable vacuum prevention in inverted nursing bottles.

Fixing the venting channel to the second tubular body prevents liquid entry and reduces pulsating flow in limp containers.

Wire grooves in a liquid stopper guide conductive wires to the sidewall, resolving interference that prevents proper seating and reducing device compactness.

A grooved sealing cover and metal bracket sandwich hot melt adhesive to contain the material during application.

A squeeze-actuated vent valve arrangement operates by pushing down inside a container to release trapped air without rotating handles.

Segmented convex portions on a hinge cap outer wall disperse mold release resistance, preventing undercut damage while maintaining closed-state stability.

A container manufacturing machine impresses relief shapes on deformable sheets using rotary support cores and ultrasound welding.

Optimizing outer package resin glass transition temperature suppresses leak current and maintains capacitance during high temperature storage.

A bottle cap uses a frangible joint and tool engagement socket to detach a section via torque.

Bottom venting means in flexible pouches enables air penetration behind viscous food, reducing vacuum pressure and residue during emptying.

Positioning the filling nozzle outside the spout prevents damage to the no-spill system integrity while maintaining continuous production volume.

A drug containment device uses a locking mechanism and physical deterrent to secure access ports.

A spring-actuated pressure relief valve manages gas buildup in beverage vessels using inert food-grade materials.

A microwave container uses a rib-shaped heat seal with varying widths to direct vapor release through a specific discharge part.

A vented beverage can end uses a button to transmit tab force for reliable pressure release.

A unidirectional port enables automated filling of sealed specimen containers with fixative solutions, eliminating formalin fume exposure during transport.

A nozzle plunger diverts liquid flow into the reservoir during refilling.

Multiple memory bands segment the spout to prevent venting ear overlap, increasing flow rate and reducing contact.

A cosmetic container integrates a removable thermal compartment to maintain product temperature.

A rotating hollow body with guide slots adjusts button travel to control discharge volume.

Cross-slit aeration valves open under container underpressure to admit air, enabling continuous fluid withdrawal without needle puncture risks.

A vented fitment assembly uses an expanded polytetrafluoroethylene membrane to allow gas passage while preventing liquid escape from flexible pouches.

A movable pouring spout adjusts flow resistance in stand-up pouches, eliminating separate closures and reducing material usage for viscous products.

Piezoelectric actuators atomize medication into fine droplets while electric fields control deposition accuracy, minimizing overflow and improving retention.

A trigger sprayer integrates a valve body into a joint member wall portion to eliminate intermediate components and simplify assembly.

Asymmetrical interlocking members in a resealable container prevent child access without increasing device complexity or manufacturing cost.

Unvulcanized epichlorohydrin rubber composition bonds with thermoplastic resin using a maleimide compound and vulcanizing agent.

Segmentation applies duck bill valves and resilient locking arms to prevent unauthorized access while maintaining syringe operation.

A packaging seal injection process positions the cap on the frame using compressed air before material cooling.

A plastic container with a blow molded pouring element below sealing surfaces for fluid-tight closure.

Dual channels in the H-shaped insert manage air entry and liquid pour, resolving spills without altering stopper length.

A plastic container head membrane features a curved connecting seam that reinforces penetrable areas for secure puncture.

A mesh pouch system with a buoyant float secures surgical instruments during ultrasonic cleaning cycles.

A fuel cap uses a hydrophobic membrane to vent vapors while blocking liquid water ingress.

A hair tonic container integrates scalp stimulation with a nozzle opening mechanism triggered by tapping pressure.

Rotating an internal actuator adjusts fluid flow and spray pattern through a locking ledge and cam track interface.

A handheld sprayer base includes a sealable storage slot that forms an air seal with the spray tip via an interference fit.

Segmented concentric ribs optimize ultrasonic energy distribution to prevent flange delamination during tilting tests.

A reed storage cap maintains optimal humidity levels using interchangeable control agents and digital monitoring.

A tamper-proof container integrates an electronic storage unit accessible only via mechanical contact within its closure device.

Segmented core members with protruding lateral plates prevent roll disassembly while buffering materials absorb vibration to minimize dust generation.

A two-piece dispensing closure uses a radial locking mechanism to secure the cap base and prevent accidental opening.

A spring-loaded closure element presses sealing lips into a valve passage, resolving leakage risks and mechanical damage during pump connector attachment.