A COC elastomer ring with stepped contact surfaces prevents valve body deformation and contamination by distributing radial stress.
A micro pump vessel merges the discharge plate with the pump chamber to reduce manufacturing costs.
Silicone glue bonds glass and rigid parts to create a tight seal, eliminating bulky mechanical assembly beads.
A pre-compression valve system uses a deformable membrane to control liquid flow in trigger dispensers.
A dispenser valve control mechanism actively displaces the outlet valve into a release position before pumping begins.
An elastic crown deforms under pressure to release blocking edges, preventing unauthorized child access while maintaining adult usability.
An angled spray trajectory overcomes nasal valve anatomy barriers to deliver fluid products to the ethmoids.
An inverted adapter secures a spray apparatus to non-threaded glass containers, enabling direct liquid atomization without secondary transfer.
Dispenser head uses interference fits to require greater torque for unlocking, preventing leakage during shipping.
A spray dispenser trigger lock uses a rotating projection to engage a surface on the trigger back, preventing accidental actuation.
A polymeric pump dispenser integrates a resilient bellows with a keyed sealing plug for secure fluid containment.
Optimizing the cannula tip bevel angle between 10° and 80° prevents leakage during actuation, ensuring consistent dosing precision.
Three single-piece structural parts reduce device complexity while maintaining reliable fluid distribution and airtight sealing.
A dispensing head outlet space dynamically adjusts volume to prevent post-dispensing foaming and dripping.
Segmenting the pump mechanism reduces manufacturing complexity while maintaining stable pumping performance.
Segmented chambers and independent nozzles store multiple fluids in one casing, eliminating the need for carrying separate bottles during travel.
Matching slopes on the neck sleeve and cylinder head create an interference fit that blocks water ingress during bathing while allowing air intake.
A pumping container spring uses connection parts to link helical segments, ensuring stable button ascension through coordinated elastic deformation.
A flexible dip tube with a weight piece ensures the tail end stays submerged in liquid product when the can tilts or lies horizontal.
An air pump pressurizes a reservoir via a deformable wall, isolating elastomers from the fluid to prevent contamination and ensure complete emptying.
A fluid dispenser hood fastens to a deformable outer shell, holding the head assembly in place while positioning the valve within a viewing window.
An integrated battery airbrush uses a single spray button to control compressed air and liquid flow simultaneously.
A plastic dispenser uses a concertina spring and locking ring to align partial grooves for air intake.
Vacuum pressure deforms elastic pump tubes to fully discharge liquid while sealing protrusion rings prevent leakage.
A dispensing cap uses a selector ring to activate secondary pistons, expelling fluids into a mixing chamber for combined dispensing.
A dispensing head integrates a locking mechanism into the actuating lever to secure the pump arm during transport.
Segmented pumping members use elastic compression to transfer contents while enabling eco-friendly material recycling.
A co-moulded delivery valve uses a deformable baffle to regulate fluid flow between the pumping chamber and dispensing pipe.
Segmented discharge holes separate air removal from liquid suction, preventing air layers that block efficient pumping of viscous cosmetics.
Cap-mounted UV LEDs sterilize dried fluid residues at the dispensing orifice, preventing contamination of new product doses.
A trigger dispensing head uses pumping means to aspirate and pre-compress two or more substances simultaneously before ejection.
A nested flexible pouch assembly creates a pressurized zone to expel viscous coating liquid, eliminating reservoir waste and simplifying spray gun supply.
Pressurized gas injection displaces liquid from the container, enabling extraction beyond fixed doses and allowing container refilling without disassembly.
A sprayer system uses a pump engine to mix concentrate and solvent at the point of use.
A hollow tube with a pointed tip and movable lug lifts carpet sections to expose padding for fluid injection through distributed holes.