Caps TRIZ Cases

Intersecting circumferential and axial grooves in the closure mechanism resolve the contradiction between child resistance and elderly usability.

An intermediary support device elevates a beverage cup lid away from counter surfaces, preventing bacterial transfer during ingredient addition.

A ramp and guide stud mechanism gradually equalizes internal pressure before cap removal, preventing hot coolant discharge.

An upstanding peripheral wall on a foil lid maintains a gap between dissimilar metals, preventing bimetallic corrosion at the interface.

A liquid container uses a relief micro-channel to move gas from the product chamber while retaining the liquid.

Living hinge latches engage the container rim while a compression-set seal gasket prevents leakage without complex locking mechanisms.

A polyethylene composition blends ethylene polymers with reverse comonomer distribution to enhance spiral flow and processability.

A bottle support clutch mechanism engages a drive gear to control vertical movement, resolving unreliable passive rotation in capping machines.

Elastic rings connect the cap to the vessel, preventing accidental detachment and contamination while allowing easy intentional removal.

Axial and circumferential stopping projections guide assembly while flexible tongues deform elastically to minimize wear on coupling parts.

Gear teeth engage pill delivery gear while audio instructions replace printed text for senior users.

A flip cap design integrates a flexible membrane seal directly into the closure structure.

A screw cap uses a fracturable connection to keep the safety ring attached after unscrewing.

Pivotable holding arms secure support-ring-free bottles to prevent tamper-evident band damage and reduce collision risks.

An integrated lid mechanism with a movable intermediate repository prevents user contact with contaminated waste by segregating disposal.

One-piece polypropylene cap uses interference fit inner skirt to prevent leakage and concave rim to simplify tamper sleeve removal.

Radial threading reduces plastic volume and forming time while maintaining mechanical engagement strength.

An inclined guiding mechanism converts rotational motion into linear movement, allowing the resilient gasket to seal or open without excessive force.

A packaging seal uses a protrusion and groove to maintain contact between the cap and container body.

A tamper-evident closure features a drop band extension pushed by the sidewall to create a visible gap upon reapplication.

A capping machine safety assembly uses a cam track and roller to maintain shaft position during linear actuator malfunction.

Segmented packaging prevents premature ingredient degradation by keeping actives and solvents apart until consumer activation.

Segmented resilient tabs reduce unlocking force for seniors while simplifying unitary manufacturing.

Segmented closure flanges create a tight surface seal against the container neck, preventing oxygen contamination that degrades stored product quality.

Adapter assembly attaches to existing bottle caps, supporting containers upside down to eliminate residual content waste from low liquid levels.

Heating pre-preg MFC between tools shrinks the material onto a protruded part, reducing plastic content while maintaining resealability.

Segmented brush halves connect via simple male-female fasteners to hold a refillable fluid storage unit, eliminating non-refillable aerosol waste.

A sealing cover uses a pull tab inserted into a concave camber to facilitate easy opening of food containers.

Air flow passages through the cap allow breathing if swallowed, reducing asphyxiation risk.

Integrated spud rim collects internal droplets during shaking, converting accumulated liquid into controlled return flow and eliminating product loss.

Elongate cylindrical wine bottle design enables compact stacking, addressing inefficient onboard space utilization on aircraft.

Integrally molded preform merges container and closure base with a first hinge structure, reducing plastic material usage.

A snap-fit pump fitment secures dispensing devices to containers via a sloping skirt and thread guides.

Segmented modules linked by a dynamic connector resolve the trade-off between holding reliability and assembly complexity.

Surface concavities and convexities on thermoplastic resin lids form venting gaps that release trapped air during heat sealing to prevent lid deformation.

Composite elastomers resolve brittleness at sub-zero temperatures, preventing sample evaporation and contamination during immediate container removal.

A metallic screw capsule with a radially expanded section improves manual handling while maintaining mechanical strength.

Frangible connections segment the utensil to resolve sealing integrity versus ease of operation, enabling efficient molding and reduced reject rates.

Curved ribs with specific radii secure liners in container caps, preventing rib breakage during repeated opening and closing cycles.

Segmented storage in the cap extends shelf life by preventing premature deterioration while maintaining immediate usability.

Two-shot molding joins a utensil to a lid via chemical bonding, eliminating post-molding adhesive steps.

A fluid sampling adapter connects to a storage container via a penetrable diaphragm seal that allows the outlet tube to enter without breaking the airtight barrier.

A polymeric container finish integrates a tamper lip and gripper groove to replace traditional support flanges.

A smart closure integrates wireless tags and mechanical seals to verify product authenticity.

A dispensing cap releases dried homeopathic particles into water, eliminating alcohol preservatives and enabling point-of-use preparation.

Merging body, cap, and valve into a single molded piece eliminates multi-part assembly complexity while maintaining dispensing precision.

Deformable arms connect a closure tab to an abutment, resisting thread back-off from transport vibrations and preventing leakage.

A crown cap uses a curved wall radius of 1.5 to 1.9 mm and an interleaved closure skirt to reduce axial height.

A one-piece plastic twist cap features a circular arc outlet opening and an integrated sealing lip.