Fluid Pressure Sealed Joints TRIZ Cases

Rotating grip-band teeth adapt to varying pipe diameters and materials, creating a tight seal and pull-out resistance with lower torque.

An O-ring sled and sliding pads replace packing in tubular expansion joints to cut leakage and maintenance in low-pressure transport.

A narrowed connector section lets the hose deform before clamping, enabling dimension detection and consistent press-fit quality.

Line-contact sealing rings eliminate permanent compressive loading while keeping flexible pipe end-fittings leak-tight under pressure reversals.

A venting channel with a check valve relieves expanding cryogenic gas in the secondary seal chamber to prevent seal damage and leakage.

Inclined annular walls and a V-shaped profile enable uniform O-ring compression, lower residual stress, and reliable pipe sealing.

Reduced-taper threads and collar-retained interchangeable seals help prevent overtightening breakage and extend fluid conduit coupling life.

A portable reference meter with adjustable piping and adapter flanges verifies in-field gas flow meters without interrupting pipeline operation.

A spring-loaded ring uses internal pressure to seal large quick connect couplings by hand while limiting nipple damage and maintaining flow.

Tapered cone sections and bead-supported sealing lips improve drain insert stability, sealing pressure, and elastic recovery during installation.

Elastic thrusting switches seals between rotation and tightness, letting submarine pipe joints handle twist without subsea intervention.

An elastomeric gasket assembly lets conduit joints deflect under seismic ground movement while preventing separation, shear, and leakage.

A removable locking handle boosts union nut torque without hammer strikes, cutting wing nut wear, replacement time, and cost in drilling mud piping.

A bonded seal and snap-fit latch replace hose clamps to cut assembly time, prevent leakage, and avoid cuff damage in vehicle air ducts.

Cold-formed grooves and seals eliminate thread cutting for sprinkler pipe connections, reducing mess while maintaining leak-proof sealing.

Segmenting the seal into three independent mechanisms prevents fluid leaks during printhead insertion while maintaining enclosure pressure.

Segmented dynamic seals and a bleed port detect primary seal failures by diverting fluid, preventing hazardous spillage.

A rotatable coupling uses an elastic sealing element to maintain fluid passage while allowing pipe rotation during installation.

A socket element uses a movable slide-ring and pushing ring assembly to adapt the primary seal housing length for varying plug geometries.

A motor-driven drive assembly rotates an upper seal ring to open and close a laparoscopic seal.

Integrating coupler components into a single assembly eliminates multi-step handling and component loss risks during installation.

A flange connection system uses lateral insertion and wedge portions to compress a molded seal without axial movement.

A pump chuck uses a pivot clip and compression spring to secure valve stems with minimal manual effort.

Integrated seal part eliminates separate valve mechanisms, reducing complexity while preventing ink leakage upon cartridge detachment.

A tube joint uses a ball and cup interface to connect pipes securely.

Segmented sealing elements with distinct materials resolve high-pressure leakage and material compromise in flexible pipe end fittings.

Tapered coupling structure directs hydraulic oil through precision grooves to expand the hub for reliable shaft engagement.

A hose coupling assembly uses hydraulic pressure to force a sleeve outward, increasing crush force on the flexible hose for secure retention.

Polymer composite rods with embedded fibers prevent signal attenuation and mechanical failures in slickline cables.

Spin weld engagement joins conduit members, eliminating primer application and reducing installation time.

A connector bushing assembly uses a floating liner to protect cables from sharp edges and moisture ingress.

A connector joins a bathtub tailpipe to a drain pipe using an axially movable compressible seal for fluid tightness.

Segmented union nut prevents seal shifting under pulling forces while maintaining chemical resistance.

Active pressure control units maintain specific differentials across segmented seal stages, preventing gas migration and extending seal lifetime.

Radial clamping replaces high-torque threading to prevent loosening under stress while maintaining seal integrity.

Radially expanding resilient bushings seal pipe inlets via axial compression, preventing surface damage from traditional clamping mechanisms.

A segmented threaded insert bridges standard polymeric fittings and sprinklers, lowering installation costs.

An annular fitting body uses knurls on its inner surface to grip a pipe, eliminating complex multi-ring assemblies and reducing manufacturing costs.

A laminated film seals ink inlet holes using a meltable first layer and heat-resistant second layer.

A quick connector system uses a chamfered bushing and locking ring to secure male and female coupling members.

Piercing device penetrates flexible seals to join conduits, preventing contamination ingress and preserving signal integrity in harsh environments.

A high-pressure connection uses fluid pressure to seal a conical surface against a seat, eliminating screws or welds.

Expansion slots in the elastomeric debris seal direct thermal expansion inward, preventing internal pressure buildup that compromises connector integrity.

A plastic torque limiting fitting uses a deformable section to transmit rotational force up to a set threshold.

Communication paths in anti-overfastening protrusions allow leakage when gaskets are absent, ensuring reliable detection during leak tests.

Segmented nuts reduce the coupling diameter to pass through tight flanges, eliminating internal obstructions for smooth cable threading.

A torque collar limits stroke in conduit fittings, enabling reliable remakes by preventing over-tightening despite tolerance stack-up.

Conical bore metal seal ring accommodates misaligned conduits while preserving a flush internal profile for reliable fluid-tight sealing.

A coupling manifold assembly integrates a pressure regulator to enable regulated flow in one direction and unregulated flow in the opposite direction.