Pipe Couplings TRIZ Cases

A spring-biased plunger prevents accidental locker engagement during insertion, maintaining reliable sealing under vibration.

Preassembled connectors eliminate on-site cutting and debris entry risks while ensuring accurate installation spacing.

A pipe connection device uses a deformable peripheral seal to create an audible leakage gap when insertion is incomplete.

Axial insertion with snap-fitting tabs locks connectors, eliminating rotational verification steps and protecting clamp edges from damage.

A hybrid quick connector coupling combines a metallic stem with a plastic retainer housing to create a modular fluid connection system.

A tightness-indicating tube fitting uses a check ring to visually confirm nut tightening without external verification tools.

Magnetic field sensing replaces mechanical switches to detect breakaway coupling separation events and report operational data.

Dual locking elements verify proper latching in a quick connect arrangement, preventing uncontrolled detachment of fuel lines.

A pipe coupling apparatus uses a locking completion member and urging device to secure plugs into sockets.

Luminescent annular device captures between male and female couplers to orient firefighters toward the water source in low visibility.

Segmented cover members isolate the communication assembly, allowing terminal replacement without disassembling the main coupling structure.

Segmented clamping sleeve eliminates complex threading, simplifying assembly while maintaining reliable high-pressure seals.

A marking device positions a generating tool relative to a pipe end to apply marks at a prescribed distance.

A quick connect coupling uses flexing verifier tabs to visually confirm full tube engagement within the housing.

A fire hose coupling integrates a recessed visuotactile directional indicator into its body.

Indicator ring moves past locking point to show connection status without increasing axial play.

A bayonet closure cap with an O-ring seal maintains airtightness in heating exhaust pipes, preventing screw caps from seizing over time.

Nesting sensors inside a formed metal tube protects components from environmental wear, enabling durable condition monitoring over 50-meter lengths.

A quick connector locker uses a breakable ring to trap the male end form securely.

Segmented collar with integrated grooves guides crimping to prevent leaks without expensive specialized welding tools.

A plug connection uses a wedge slide to drive axial locking.

Resilient legs deform axially inwardly to release latching pawls, allowing checker removal without extra space around the connector housing.

Segmented locking mechanism separates insertion and release functions to enable simple disengagement in narrow spaces without complex arm manipulation.

A connection piece design maintains usable line cross-section through clamping elements and guide surfaces.

Semi-barrel casing and locking member use screw engagement to prevent pipe fitting loosening from fluid flow vibrations.

A fluid coupling detection sleeve moves axially to reveal a visible indicator when the counterpart locks.

Guide member directs high temperature bleed air from vent holes to a line shaped sensor for reliable small flow rate leak identification.

A resin tube piping connection structure uses a dedicated retainer to restrict the pipe body.

A sterile connector system uses a displacement device to align fluid conduits and engage complementary parts.

Locking cam mechanism secures cryogenic fluid coupling, preventing stiction and operator exposure during connection.

Snap-fit protective cover isolates pipe clamp sharp edges from flexible tubing, preventing damage and maintaining sterile biopharmaceutical connections.

Segmented wrenches engage locking features on large polymer fittings to distribute torque, preventing slippage and body damage during tightening.

Grooved plug section holds elastomer sealing ring to secure corrugated pipe, reducing assembly force and preventing leaks under high pressure.

Blue and yellow pigments boost impact strength by avoiding alpha nucleation dominance in green polypropylene pipes.

Cross-linked PE-RT outer layers and antibacterial inner linings resolve wear, heat, and fouling contradictions in steel wire framed pipes.

A pipe connection device accommodates diagonally cut pipelines by allowing a toothed ring to pivot around a tilt edge, reducing manufacturing costs.

A connector uses a locking ring and annular space for quick pipe insertion alongside a press-fitting end.

Circular patterns encode geographic coordinates on weld joints to prevent tampering with radiographic inspection records.

A rotatable tube connector uses a tab and groove clamp to secure optical conduits while allowing 360-degree adjustment.

Transparent sleeve and elastic clamp secure HVAC tubes, reducing assembly complexity while ensuring reliable sealing.

A push-fit connector uses a disposable cap to compress a ring seal against tubular parts.

Disposable verification pin enables leak testing and prevents debris ingress in fluid line fittings without permanent assembly complexity.

A sterile connector assembly uses a folding valve mechanism to protect fluid paths during mating.

Segmented fixing rings simplify assembly of rigid connectors while the breakable display ring indicates crimping status.

A quick pipe coupling uses interlocking ring gears to create a self-locking connection without tools.

A quick-connect tube fitting uses a cam-actuated locking mechanism with tines and flanges to secure mating members without tools.

A plug-in coupling uses a breaking-connected protective ring to shield the sealing ring during pipe insertion.

A fluid transfer plug combines a resin inner spacer with a metal collar and flange to resist moment forces from high flow rates.

Segmented fitting uses flange and barrel seals to create redundant fluid-tight connections for aircraft fuel systems.