Closures TRIZ Cases

A fitment hood directs fluid downwardly into a dispensing chamber, preventing splashing while enabling controlled measurement of contents.

An inflatable enclosure extracts paste from sealed pouches to create fresh plant-based milk on demand.

Offset walls inside a pourer body direct liquid flow to specific orifices for controlled dispensing.

Self-adjusting bearing assembly reduces wear on dump block sheaves by using asymmetrical pin positioning to maintain alignment under high load.

Polar thermoplastic elastomer closures resolve slip risks by delivering high wet friction without dry tackiness.

A thermoformed package uses a deformable leak path to deliver substances through user-applied pressure while preventing accidental discharge.

Radial separation of the contact ring and ratchet prevents molding sink marks while ensuring child-resistant sealing.

A fluid dispenser member uses a movable housing part to close over constituent elements during mounting.

A lid ventilation system uses a flexible tube and valve to move air into a reservoir.

A dispensing closure with a non-planar orifice produces a fan-type spray from squeeze containers.

A dispenser pump button nozzle moves forward upon pressing to expose the discharge outlet.

Angled steam passage portion with curved edges facilitates early steam release from heated packages.

Segmented resistive heating warms only the dispensed product volume, reducing viscosity for application while keeping bulk reservoir contents stable.

Multiple liquid and air intake paths converge at confluence portions to deliver fluids into a mixing chamber for uniform foam discharge.

Co-extruding distinct polymers creates a sealed storage chamber that eliminates assembly steps and prevents contamination.

A hollow stopper uses a cold-flowable polymer inner layer to deform during needle insertion and reform upon withdrawal.

Segmented closure slides along a beverage can rim to reseal the opening, preserving carbonation and preventing spills.

Varying polypropylene crystallinity differentiates base and disc friction while an asymmetric interference member prevents accidental tilting during transport.

A spikeless medical liquid closure uses a valve member and frangible element to enable safe fluid delivery without contamination risks.

A discharge cap uses a hinged button to fold a tube, enabling liquid ejection through simple mechanical actuation.

A resiliently squeezable elastomeric container uses fixed rigid rings to maintain consistent flow rates during manual dispensing.

Segmented liquid and air ducts prevent vacuum formation during pouring, enabling faster flow without spillage or evaporation.

An external adjusting ring sets measured quantities in a closed conduit, eliminating health hazards from direct fluid contact.

Segmenting the flexible jacket from the rigid base resolves vertical holding trade-offs while enabling complete product extraction.

Radially-inward tabs on a mounting bracket engage a lobed cap to prevent unauthorized removal and ensure proper maintenance of hybrid vehicle coolant systems.

Perforated tear lines in the reinforcing layer create an integrated handle, eliminating protruding tabs that complicate closing and damage during use.

Specifying a 5 to 20 μm silver paste layer with controlled carbon barriers suppresses leakage current while maintaining low ESR.

Segmented rotating caps align orifices to control flow, preventing hazardous powder dissemination during remote handling.

Segmented rigid container and disposable bag design reduces environmental waste by enabling repeated refilling while maintaining structural support.

A one-touch cap uses a lateral pressing mechanism to release a latch and pivot the lid, preventing accidental opening while enabling single-handed use.

An antifreeze cartridge connects via force fit to an exterior vehicle inlet, enabling manual refilling without opening the hood.

Elastic flips in the discharge rod segment the flow through alternating passages, preventing air entry and stream formation.

A package opening device uses a tethering portion to keep the covering membrane attached to the base frame after rupture.

A dispensing apparatus with a base well and hollow spout enables liquid flow through gravity.

A liquid container closure uses an elastic membrane that deforms under axial thrust to open, reducing part count and improving ease of cleaning.

A container closure uses a key mechanism to block rotation when locked and allow opening when unlocked.

A refill pouch nozzle features a ridge line guiding part that directs film ridges along the center line to prevent discharge port closure.

Integrating a resonator chamber into the fuel cap body silences breather valve squeaking while retaining internal pressure and reducing environmental load.

Segmented sealing and half-cutting lines prevent clogging and bending while maintaining structural reliability.

A non-return valve sheet with a cross-shaped cutout allows cosmetic contents to exit through a spiral channel while blocking reverse flow.

A hopper dispenser uses an elevated outlet and regulator plate to move bulk feed products.

Segmented deck apertures and integrated venting in the closure structure manage pressure and control pouring of viscous fluids.

A tubular container uses a movable retaining frame with a flexible tab to hold elongate storage units securely.

A disposable fluid tube uses a flexible membrane interface to create a leak-tight seal during extraction.

Reduced stiffness regions in the closure skirt facilitate sufficient deformation to move locking lugs past abutments, resolving high pressure requirements.

Integrated sensors in a closure chassis detect tampering events, ensuring product integrity during shipment.

Integrated decorative element secures gift box lid via tab-slot mechanism, eliminating manual wrapping time and material waste.

Polypropylene bags use heat activated adhesive layers to form seals below the material softening point.

Asymmetric nozzle diameters and a spring-loaded slider prevent diesel nozzles from entering gasoline tanks, avoiding engine damage.

Merging the ring and valve element eliminates manual assembly errors while maintaining secure mechanical interlocks for automated handling.