Closures TRIZ Cases

A liquid storage bottle cap uses a protrusion to manage internal pressure and seal the inlet.

Split tent door flaps combine a zipper seal with magnets to block wind and water ingress while reducing noise.

Interchangeable corks adapt universal spouts to varying bottle sizes, ensuring reliable sensor activation and easy removal.

A sticker with an IC tag incorporates a single-stroke line portion coupled to the chip for wireless communication.

Recessed vents in a two-part hot-fill closure allow trapped moisture to escape, preventing bacterial growth and maintaining seal integrity during cooling.

A tube closure assembly uses a cap with teeth to pierce and cut the lid.

A reclosable beverage can closure places the sealant in a lid recess to eliminate rotational stress and prevent premature wear.

Straight lead members reduce ESL for high-frequency noise removal.

A resealable tobacco package uses a preformed cup-like sealing member to maintain product freshness.

Segmented thread angles and rib contact surfaces constrain cap orientation, preventing liquid buildup in dairy packaging.

Thermal embossing thins plastic film locally to resolve the contradiction between ease of cutting and impact resistance in tubular bags.

An inclined liquid build-up prevention part guides the upper lid over the spout wall, eliminating clearance for liquid accumulation and preventing squirting.

A cosmetic container handle adjusts position to access stored products, resolving accessibility contradictions through dynamic movement.

An inner tapered groove wedges a pipe thread protector against rotational loosening during transport.

A solid electrolytic capacitor uses an imide-based polymer binder in its silver paste cathode layer to ensure direct contact with the dielectric.

A resealable beverage can closure uses a flexible retaining ring and hinged lid for secure attachment.

A rigid thermoplastic container features a venting port and integrated desiccant for gravity-fed adhesive dispensing.

A rotary plate drives a piston to lift an internal container while a spring-loaded nozzle plate covers the extraction hole.

Ethylene tetrafluoroethylene copolymer film prevents breakage during production of complex shaped rubber plugs by maintaining mechanical strength.

Movable push button and rupture elements clear the dispensing path after foil rupture, ensuring complete release of volatile material.

A discharge pump nozzle uses a conical spring and closing ball to seal the port after each use.

A dispensing head uses a flexible differential membrane to create a force multiplier for controlled fluid release.

Segmented dispensing openings in a flip-top closure spout enable precise fluid control while reducing turbulence during pouring.

Segmented mixing cores enable universal housing compatibility while preventing ingredient contamination across diverse beverage formulations.

Over-molded container insert integrates a bi-directional valve to resolve sealing complexity while enabling automatic air venting.

A squeezable liquid dosing apparatus uses a segmented chamber and valve system to dispense controlled doses without tilting the container.

Segmented lid systems merge perforation tools into the topper, resolving spill risks from manual handling.

A rolled cork cap integrates an insulating layer to block liquid and gas penetration through the winding structure.

A symmetrical closure system uses a deflectable locking portion to secure containers.

Disinfectant penetrates packaging sleeve cut edges to eliminate microbial contamination risks during aseptic filling.

Relocating the filter from the container bottom to the dispensing head resolves manufacturing constraints while protecting sterility.

Dual-zone cork stoppers bond different granulometries to resolve manufacturing complexity and preserve sparkling wine organoleptic characteristics.

Offset axial passages coordinate locking elements to prevent levering, balancing childproof security with senior accessibility.

Stationary nozzle design prevents air ingress and content leakage by separating the pumping mechanism from the discharge point.

Segmenting the nozzle from the base allows cleaning without removing the seal, resolving leakage risks during maintenance.

Vent protrusions between the fixing step and filter allow air inflow, reducing oil introduction time and preventing entrapment.

A vertically pressed compact container uses an inclined protruding portion to actuate an airless pump for precise one-handed dispensing.

A compact liquid dispenser uses concentrically arranged inlet and outlet channels to reduce dead volume in the pump chamber.

Defining geometric parameters between the laminated body and resin surfaces prevents pinholes while increasing capacitance.

Guide openings in a lid panel align inner and outer slide pieces, reducing wear on connection pins during high-volume production.

Spring biasing maintains axial separation until downward pressure engages ramps, resolving the contradiction between child resistance and ease of operation.

A smart bottle integrates medication compartments, liquid storage, and wireless connectivity for timely intake reminders.

An axial sliding valve in a dispensing container closes early to prevent residual content leakage after discharge.

A container closure uses a recessed press portion to disengage a latch mechanism for controlled lid opening.

A liquid replenishment container features a metal main section paired with a transparent viewing section for visual inspection.

An expansion chamber reduces pressure before fluid passes through a slitted valve head, eliminating spray and residual dripping.

Multi-point gating injection aligns fibers parallel to the axial direction in hollow-cylindrical screw parts.

A pill sorter integrates a microprocessor-controlled bag sealer that adjusts heat duration based on battery charge levels.

An arced clamp guide with alignment bumps positions clamps between hose beads, preventing slippage under high pressure.

A cap feeding track uses a cantilever spring to control object flow, preventing deformation of softer caps during automated lining.