Closures TRIZ Cases

An integrated venting cover with a porous sheet and pop-off mechanism resolves complexity-reliability trade-offs in exothermic material storage.

A container closure cap uses a circumferential groove to engage an eccentric applicator opening during screwing.

An aerosol valve system blends chemicals with diluents via a displacement pump and metering orifice, preventing bottle paneling from headspace reactions.

Optimized pH liquid flavorings combined with jet-dispensing containers prevent dairy curdling by minimizing localized acidity during beverage preparation.

A portable beverage dispenser uses a microprocessor and liquid regulating valve to control fluid flow through a straw.

A resilient diaphragm transitions between convex and concave positions to dispense precise substance slugs through a chamber outlet.

A segmented molding tool uses movable portions to define a cavity for gripping elements, enabling precise shape formation during polymer injection.

An integral pull strap in a laminate lid separates layers via lines of weakness, preventing tab detachment during opening.

A heat-resistant air hose for diesel engines uses an ethylene acrylic rubber and fluororubber alloy inner layer with a non-peroxide-crosslinkable outer layer.

A handheld tool gear closure incorporates an air channel and pressure valve to regulate internal housing conditions.

Segmented flow conduits and non-planar surfaces generate consistent fan sprays at low pressure without leakage.

A container closure uses a larger lid and smaller base to reduce material usage while maintaining a flush exterior appearance.

A displaceable bottom structure supported by a vertical screw spindle enables precise layer-by-layer deposition of granular material.

Nozzle through-hole check valve enables rapid air entry to restore flexible container shape while preventing foam resistance and liquid dripping.

A fluid dispenser uses a segmented cap and chamber film to control release.

Segmenting the filter layers reduces production complexity for small series, balancing germ prevention with cost-effective manufacturing.

A catheter kit uses a sealing mechanism to isolate the hydrophilic coating swelling medium from the urine bag during storage.

A deformable dispensing head cap seals orifices via bearing elements to prevent leakage during inverted storage.

Nested valve cap and ball valve support structure prevent reverse flow and leakage in airless dispensing pump containers.

An engaging unit with a locking protrusion and recess secures the piston guide to the stem in a discharge pump actuating member.

Translation of the sponge carrier actuates a valve, maintaining shape stability while enabling continuous liquid flow.

An integrated collar and flexible tie mechanism prevents small caps from being lost or improperly disposed of after unscrewing.

An L-shaped grip with a 5° to 10° inclined finger abutment prevents liquid contact while enabling easy operation for users with limited strength.

A fluid transfer lid featuring a male nipple and attachment collar enables secure syringe engagement.

A push button needle features a recessed distal wall to form the vortex chamber base.

A laminated bottle uses a bottom holding rib and intake slit to limit inner layer lift, ensuring stable air importation and smooth content discharge.

A pour lip closure uses capillary action to funnel liquid drips back into the container.

A glass substance container uses a sliding punch to form a seal and adjust volume within the tubule.

A bottle neck liquid dispenser uses a segmented chamber to form controlled drops from wide-mouth bottles.

An anti-drip cap uses an elastic return mechanism to shift between locking and dispensing positions for controlled product flow.

A package opening device uses a deflectable sealing ring to seal pour openings and simplify mold extraction.

An atomizer uses an adjustment ring with a latch and a lower cover latching slot to secure the liquid storage assembly.

An asymmetric toggle closure actuator pivots on an off-center axis, allowing the rear flange to articulate inwardly and absorb housing deflection energy.

Segmented folding lines and a recessed design reduce storage volume, while a one-way valve prevents air ingress that spoils contents.

A foldable watering pot uses a soft waterproof container and rotary spout for compact storage.

Orthogonal inlet axes and nested concentric conduits prevent backflow in viscous compositions while maintaining consistent dispensing ratios.

Porous sealing elements enable continuous oxygen exchange for wine aging while preventing contamination.

Segmented closure components resolve the trade-off between leak prevention and refilling convenience by allowing independent nozzle removal.

Segmenting the vent from the handle and tapering its cross section prevents liquid ingress, ensuring complete emptying without residue collection.

A dosing closure uses a spring-loaded piston to dispense precise fluid volumes from squeezable containers.

An integrated connecting plug eliminates needle penetration risks and contamination while simplifying sterile fluid transfer operations.

A composite sealing component pairs an elastomer part with a rigid structural element to maintain consistent liquid blocking and release control.

Bonded sealing parts replace bulky header bags to prevent perforation during transport.

Replacing rigid enclosures and propellants, the elastic sleeve mechanically expels fluid contents, reducing material usage and waste volume.

Multi-curvature head surfaces resist bending and puncturing during piercing, preventing leakage with less sharp spikes.

A sample container cap translates inner lid sliding into shutter rotation, reducing structural complexity and arrangement space.

A membrane stopper with a movable core controls tank opening pressure while preventing fluid return.

A syringe adapter collet uses a resilient locking member to secure connections between fluid containers.

A wooden bottle closure integrates a polymer inner member molded into the wood recess for structural integrity.

Opposing resilient latching members require simultaneous actuation to release the lid, preventing unauthorized child access.