Domestic Applications TRIZ Cases

See how time-of-flight distance sensors measure remaining product on rolls and transmit wireles

See how asymmetric hub and insert registration elements prevent unauthorized web material rolls

See how mating registration elements on roll cores and dispenser hubs prevent unauthorized web

See how a self-contained cartridge with active and passive rollers reduces space, prevents mois

See how a pull-out detector and electronic controller automatically dispense a preselected numb

See how staggered protrusion elements and a contact element enable reliable separation of soft

See how a pivoting L-shaped arm brings toilet paper from a wall-mounted position to easy reach

See how a mounting plate with gasket seal and ribbed water channels prevents ingress during ind

See how a cover-mounted roller and transfer arm simplify sheet material loading, reduce tearing

See how a movable support roller applies dynamic compressive force to maintain tissue tension a

See how synchronized input and output speeds apply controlled tension to reduce paper waste, mi

See how a two-stage separation arrangement uses tensioning and bi-directional stretching to rel

See how a dual-compartment tissue container uses a divider wall to separate unused tissues from

See how a dual-layer bag joined along three edges creates a cavity that fully envelops and secu

See how a feed drum with pinch rollers and radial drum guard mitigates jamming and lateral tran

See how sensors in product dispensers transmit real-time fill levels to guide patrons and atten

See how peripheral glue bonding in 4-60% of sheet surface resolves stiffness in toilet paper ro

See how motor operation sensing and dual dispensing mechanisms enable automatic roll switching,

See how a roll sensor and motor automate tissue roll positioning, eliminating manual knob opera

See how a base-integrated sliding cutter inverts traditional top-mounted designs to improve cut

See how radially arranged flange branches engage shaped cardboard core portions to achieve forc

See how a dual-roll dispenser with separate web paths and articulating holders extends supply d

See how a movable mandrel and lever sensor automatically lower a new tissue roll into position

See how moving bonding points to sheet periphery and confining embossing to the center preserve

See how a modular spindle assembly with bushing-engaging and connection members enables paper r

See how multiple electrode pairs in different regions detect hand position and distinguish wate

See how staggered protrusion elements forming an undulating passage, combined with a biased con

See how two independent rotatable holder units adapt to varying roll widths and surfaces, elimi

See how a bushing with bearing surfaces and a wall-mounted opening ensures proper roll alignmen

See how a cam-actuated cutter blade nested inside the support roller reduces dispenser size and

See how snap-coupling and modular segmentation enable a single hood to serve multiple dispenser

See how inwardly biased elongate arms provide automatic tension to retain the roll, enabling on

See how segmented roller zones with recessed anti-wrinkling spaces prevent tissue paper creasin

See how optical sensors measure roll diameter and rotation without contact, enabling accurate p

See how a dual-roll dispenser uses movable mandrel supports and gravity-driven transitions to e

See how a flexible frictional interface with friction formations and ridges secures towels on h

See how a movable-bar airflow system replaces towel drying to reduce bacterial growth, water co

See how a flexible lid with frangible petals enables selective access to container contents whi

See how a pump-driven heat exchanger and automated dispensing mechanism deliver sterile, temper

See how distance sensors measure product roll levels in real time, compare position data to thr

See how a spring-biased arm provides constant pull force resistance throughout roll life to red

See how internal doors with nozzles support centrally unwinding rolls, preventing collapse and

See how a dual-mode sheet dispenser uses motor-driven dry dispensing and pump-spray wet dispens

See how a triple-pivot swing-arm holder enables one-handed orientation switching and placement

See how a pusher mechanism downstream from the feed roller engages and pushes sheet product tow

See how a resilient member and rotatable sleeve provide controlled rotational resistance to pre