Lids TRIZ Cases

See how a reusable corrugated holder nests around disposable foil pans to provide structural st

See how a hinged protective cover with locking mechanisms and ventilation encloses cooking uten

See how a nested holder assembly with corrugated walls and living hinge clips protects flimsy f

See how magnetic mounting frames replace buckle connections to achieve easy operation and effec

See how a unitarily formed fiber-pulp cup with integrated hinged lid eliminates polyethylene co

See how a two-chamber lid with partition wall and controlled outlet prevents spillage when tilt

See how a flexible-membrane valve in a drinking member vent opens under vacuum to equalize pres

See how a rotatable lock ring intermediary prevents accidental push-button actuation while main

See how a unitarily formed fiber pulp cup with integrated hinged lid eliminates mixed-material

See how an arcuate rib reinforces a thermoformed polypropylene lid outlet closure to maintain r

See how a spiral baffle in a straw lid creates a tortuous airflow path to prevent vacuum format

See how a unified ratcheting fastener secures multiple stackable food containers with a single

See how a permanently hinged lid with locking elements and borosilicate glass construction prev

See how a unitarily formed fiber pulp cup with integrated hinged lid eliminates plastic coating

See how magnetic engagement and frictional biasing between lid and cover prevent spillage while

See how magnetic engagement between lid and lid cover biases closure position to prevent accide

See how a rotational plunger lid assembly transitions between open, closed, and unlocked positi

See how a foldable flap with projection and ledge snap-fit enables easy reopening without wall

See how a hinged lid permanently attached to a borosilicate glass container prevents lid loss a

See how a nested rotatable closure system secures the plug within the lid structure to prevent

See how a cup cover with both flip-mouth and suction-nozzle structures enables two drinking mod

See how a built-in sieve layer separates cereal crumbs into a lower compartment, reducing waste

See how a flexible sealing ring conforms to the spout's convex surface, eliminating O-ring comp

See how a segmented lid with twist fastener and collar-seated seal enables spill-proof drinking

See how an over-center latching mechanism with pivoting activator and cover reduces opening for

See how a silicone cup merges measurement indicators with the drinking vessel to eliminate sepa

See how a shot glass with differential-adhesive peel-off seal and shaker lid enables beverage m

See how a two-part locking mechanism—rotatable cover and button member—prevents accidental flui

See how interlinked shelves and pivoting panels enable tool-free collapse and erection of stora

See how a depressed groove on the cover body captures excess adhesive during installation, prev

See how vertical inlets and slanted reservoir walls drain liquid back when upright, preventing

See how a mold-release surface and segmented straw design solve injection-molding demolding cha

See how a camming surface on a pivoting arm tilts the lid to break the seal and equalize pressu

See how foldable textile side walls form a dynamic tube that adapts container volume to package

See how a movable elastomeric sealing member adapts to various container sizes, preventing spil

See how a twistable spout passage uses elastic material and guided rotation to block liquid flo

Foldable textile side walls let a door-mounted parcel container expand for large packages and collapse around small ones for secure, space-efficient storage.

An over-center lever closure keeps a beverage lid sealed against spills while reducing the force needed for quick sipping or pouring.

A lever-actuated dual-opening lid maintains a watertight seal while reducing opening effort and improving spill-free drinking on the go.

Built-in storage inside a mannequin component keeps paint, putty, and tools enclosed and available, preventing lost repair kits.

A rotating seal assembly shifts from use to cleaning position, improving dishwasher access while keeping the lid sealed and trigger-controlled.

A gasketed valve lid seals a beverage container to prevent spills while preserving easy drinking access and wine oxidation.

A rotatable lid with a triangular sipping opening and air hole spreads hot beverage flow and vents steam to reduce spills.

Injection molding forms a one-piece drink-through lid with a sealable lock-back flap, cutting scrap while improving finish and repeat-use durability.

A lid-insert with heat-transfer channels and inner-wall locking cools hot drinks before sipping while reducing spills and accidental lid removal.

A rotatable lid seal assembly opens for cleaning without removal, reducing debris retention while keeping the trigger disengaged.

A split foldable lid cuts the open pizza box footprint while preserving pizza coverage and adding a handle for easier serving.

A raised lid perimeter drains spilled liquid toward the center to limit edge overflow, reduce lip heat transfer, and keep hot drinks comfortable.

A linked lid, lever, yoke, and spring closure fully seals a container yet opens quickly for drinking without unscrewing or a vent hole.

A tear-back flap combines steam venting, controlled sipping, and direct drinking while helping prevent spills and retain beverage warmth.

A raised reclosable lid channels spilled liquid into a central well, limiting edge spills and reducing hot-liquid discomfort at the lips.

A pivoting spout and straw opening let one cap fit standard bottles while giving children and adults spill-conscious drinking access.

A sliding closure panel in scalloped tracks improves spill control while keeping disposable cup lids stackable, easy to use, and low cost.

A movable cam arm breaks the lid seal and admits air, reducing the force needed to remove a tightly sealed food processor lid.

A cavity-mounted receptacle with a hinged lid keeps mannequin repair paint, putty, and tools secured and available when damage occurs.

Relative rotation in the lid link switches the lock state, securing a closed port lid without adding a separate lock actuator.

A thicker panel wall than center panel helps thin can lids resist pressure rise and buckling while cutting material use.

An internal pin and threaded lifter raise and pivot a tank sealing plate for access while avoiding the extra space of external lifting hardware.

Localized thickening at the panel wall and chuck wall radius boosts can lid pressure resistance while reducing overall metal use.

A force-concentrating score line creates a small initial opening, cutting push-button closure force even when jar vacuum resists opening.

A third seaming operation adds notches or threads to completed double seams, enabling child-resistant lids without separate post-forming steps.

Concurrent force on opposing lid sides enables adult opening while snap-fit protrusions keep the container securely child-resistant.

Metal cover, tray, and hinge parts replace plastic cosmetic packaging to improve recyclability and reduce disposal-related pollution.

A dual-state cover uses a piston cover and insert tube to shield the spray cap and load selected contents into the can for on-site spraying.

A dual-hinge lid with mating latch elements enables one-handed secure closure while supporting stable vertical and pyramidal container stacking.

A multi-axis tab and lever closure reseals pressurized beverage openings gas-tight with lower operating force and captive, recyclable parts.

Raised lid geometry and nesting legs improve airflow, stabilize stacking, and block condensation for more uniform tempering of stored items.

Crisscrossed recessed compartments and beveled inner boxes keep items classified, stable, and easy to access during storage and transport.

A lifted support plate and rotating protective plate automate cargo loading and unloading while keeping ocean transport cargo secured.

Interchangeable base, end, and expansion modules let one container match storage needs while cutting wasted space and shipping volume.

Interlocking tabs and a bump create a visibly deflected tab after reopening, making reclosed containers easy to identify.

A dampener piston slows initial drum lid closure, then speeds final closing to prevent pinching and eliminate manual lid holding.

Air grooves and surface sealing improve cosmetic container airtightness, prevent deformation, and keep contents from drying or hardening.

Using plastic and metal in different connecting members gives stacking assemblies diverse functions while preserving strength, safety, and easier handling.

Magnetic inserts and a defined lid gap keep cosmetic sachets secure, organized, and easy to replace without drying or spills.

A surface-tension wedge seal in a hinged polymer closure retains shaken product during pouring to inhibit dripping and reduce loss.

A water-repellent breathable sheet lets steam escape while blocking liquid leakage through a lid opening and sealing gaps from paper-lid deformation.

A skirt-and-counter-tooth vessel lock keeps the cosmetic container stable in use while allowing separation for refilling and waste sorting.

An exhaust passage between the sealing ring and intermediate ring equalizes pressure, preserving hermetic sealing while easing cap opening and closing.

Anchors and an elastic locking mechanism keep foldable package panels parallel in flat storage, preventing deformation and saving space.

A relief-grooved elastic sealing ring cuts cap-opening friction and wear while preserving hermetic sealing in a cosmetic inner container.

A pivoting secondary lid gives access to stacked storage containers without opening the main lid, preserving secure latching and mobility.

A breakaway perforation between the plug and hinge shows prior opening even after re-closure, preserving secure container locking.

A flexible ring latch and annular seal compensate for glass container tolerances to deliver hermetic closure with easier opening and closing.

A hinged friction-fit lid opens only where needed, keeping the container attached, compact, and less prone to spills during eating on the go.

A container lid separates direct-sip and tube drinking into independent paths, giving users flexible hot or cold beverage access without flow interference.

A foldable locking rim with sealing ribs adapts to container tolerances, reducing gaps and radial play while maintaining a secure seal.

Spring-loaded retaining hooks let hinged container cover halves lock and unlock quickly while keeping stackable height low.

Plastic and metal connecting members let a stacking assembly balance easy assembly, durability, stability, and part-specific function.

Elastic buckle pieces and aligned slits lock the lid to the container more securely under vibration or squeezing, preventing food spillage.

A separate bridging portion removes thin-steel hinge constraints in clamshell molding while improving branding area, strength, and shelf profile.

A two-part force-fit fixing ring grips flexible film without welding, improving tightness, strength, and recyclability in sterile container connections.

Longitudinal ribs engage an annular flange to stop lid rotation and axial separation, keeping container graphics and opening alignment intact.

A curved metal plate anchors into the can groove and engages the lever to block contamination while keeping beverage cans easy to open.