Closures TRIZ Cases

See how a straw with an internal one-way valve and grommet seal enables children to drink witho

See how a rotatable cap with recessed air vents maintains pressure balance during pouring, enab

See how a ledge-supported filter assembly with cap-integrated cylinder and one-way valve enable

See how a three-seal valve design isolates vent and drink passages to prevent leaks while enabl

See how a portable water dispenser heats to sanitizing temperatures above 130°F while using a l

See how a nested agitator with gasket containment resolves the contradiction between portable s

See how a bistable control device and handle-mounted button enable one-handed pouring shutter c

See how a clamping flange and sealing disc with labyrinth air passages eliminate alignment step

See how asymmetric guide grooves and projections ensure correct cartridge orientation, prevent

See how a closure-integrated pressure-relief device vents excess pressure before rupture, enabl

See how a fillable PCM bladder eliminates pre-conditioned gel packs in cold-chain shippers, red

See how an elastically expandable cylinder wall seals against a larger-diameter piston, elimina

See how a two-part drinking rim and elastic sealing disk with air inlet passages simplify assem

See how a PET single-serve cup with flared base and integrated cavity solves outdoor tipping an

See how a segmented valve assembly with distinct drink and shower outlets resolves flow-rate ad

See how a plunger-based cartridge discharge transfers beverage substance into a separate mixing

See how a clamped elastic sealing disc with stiffening ribs and air inlet passages prevents chi

See how a dispersing disk and conical splashguard direct carbonated beverages in laminar flow t

See how a pivoting spout integrated into the container wall serves as both seal and measuring c

See how a segmented conduit with exterior and interior sections prevents dirty dish-brush impur

See how a dispenser with a tubular member extending 150% of body height uses tortuous flow path

See how a flexible membrane seal enables drinking from any cup location while preventing leaks

See how top and bottom valve assemblies with a flexibly invertible dish enable selective fluid

See how a compressible cavity and nozzle integrated into a phone case enable portable hand sani

See how a resilient cup-shaped valve deforms under suction to enable fluid flow yet maintains f

See how a projection-groove mating member with dimensional spacing from the hinge section maint

See how a fitment assembly with chamber isolation and pressure relief venting prevents vacuum d

See how a flexible, elastic lid stretches to fit multiple container sizes while maintaining a s

See how adaptive pump cycles and sensor-based detection prevent foam soap liquefaction in hands

See how a resilient cup-shaped valve merges sealing and suction response into one cleanable par

See how a segmented sealing cap with mechanical engagement units and flexible members prevents

See how an elastomeric lid with a hollow pocket and aperture captures straws and prevents spill

See how a unitary compliant sealing valve merges spring, shaft seal, and cap seal sections into

See how a disposable pouch system with post-mixing nozzle prevents syrup re-coagulation and fla

See how pressure-rupturable cartridges and external mixing chambers prevent syrup re-coagulatio

See how a tilting outer valve and resilient stem overcome negative pressure in collapsible cont

See how an offset hinged dispensing cap with flexible lobes and oblique brace wall reduces wipe

See how a movable closure body within a seat structure enables easy suction conduit insertion w

See how a frame with collar and body engagement portions prevents container rotation during dis

See how a paper-based inner container with thermoplastic laminate and tearable suction port ena

See how a mobile trailer with secure openings, cart integration, and accumulator-powered coolin

See how a soft elastic diaphragm replaces slit valves in drinking vessels, opening under suctio

See how a movable piercing spike and separate mixing chamber prevent fluid supply contamination

See how tessellating codes embedded in container flange recesses encode multi-phase preparation

See how telescopic support arms enable nested storage of multiple container sizes in a single u

See how a movable piston transfers beverage substance into a separate mixing chamber, bypassing

See how sector-shaped flow restrictors guide liquid longer near the spout edge to reduce turbul

See how a tubular plug valve with slit-web structure reduces vacuum pressure for child use whil

See how projections shred and press food particles to extract interior flavors, increasing surf