Joints With Sealing Surfaces TRIZ Cases

Cold forging forms a one-piece fitting that removes joints and O-rings, improving sealing durability under extreme pressure and temperature.

Cam-lock and twist-lock fittings replace tape and zip ties to speed hose changes while maintaining airtight gas seals in confined spaces.

Ratchet teeth and an elastic leaf stop medical luer loosening, preserving sealing integrity while keeping tightening smooth.

A thread stop and deflectable engagement flange enable single-turn gauge installation with automatic orientation and a fluid-tight seal.

A clip ring, nut, and pipe groove create a solvent-free c-PVC fitting that improves leak-tightness, pull-out strength, and on-site assembly.

Sequential cutting-edge engagement and cone alignment create a leak-proof pipe connection while preserving cutting ring stability under high pressure.

Conical socket and cutting ring geometry enables sequential edge penetration, secure ring positioning, and fluid-tight pipe joints.

Scale markings on threaded hose connectors let engineers set seal contact pressure precisely, improving tightness without over-compressing the seal.

A split threaded socket housing lets the control block and spring be installed and aligned easily while preventing spring tilt and preserving sealing.

Curved deflection zones in a grip ring fitting redirect tightening forces to lower nut load while maintaining pipe grip and seal integrity.

Scale markings on threaded connector parts let users set seal contact pressure accurately, improving tightness despite tolerances and seal aging.

An overmolded metal insert sleeve helps a fiber-reinforced hollow screw maintain sealing, resist torque, and reduce creep and deformation.

Non-metallic washers isolate dissimilar conduit metals to stop galvanic reaction while a conductive element preserves electrical continuity.

Rotatable hose fittings eliminate separate adapters in tankless water heater plumbing while preserving a secure watertight seal.

Pivoting clamping members and a releasable fastener secure a hose without hard insertion, reducing breakage and easing use for low-strength hands.

A high-friction inner grip ring and low-friction outer interface secure brittle PVC pipes with 0.5% or less deformation and no solvent cement.

A differential-friction grip ring secures brittle PVC pipes without compression, resisting pull-out while avoiding deformation and solvent cement.

A deformable securing part locks a ring element in place to stop pipe pullout and maintain a fluid-tight seal in corrugated pipe joints.

A tubular holder and tapered protrusion align and insert into tiny resin tube channels without visual recognition, improving sealing and assembly.

A multi-surface sealing pocket captures the ring in a hammer union, limiting displacement and maintaining a tight seal under high pressure.

An elastic force control ferrule sets proper tightening torque in pipe fittings to prevent leakage, breakage, and tool-dependent installation.

Bite ring teeth and spacer fingers seal compressed air pipe segments without o-rings, reducing maintenance and improving connection reliability.

An angled cutting-ring transition and groove-mounted elastomeric seal improve high-pressure tube connector sealing while reducing stress cracking and seal wear.

Color indicators and a rotatable female nut show fastening state and gasket material remotely while helping prevent gas leakage.

An overmolded insertion sleeve breaks symmetric fiber alignment in annular screw parts, improving torque resistance and dimensional accuracy.

Stopper protrusions and an insert ring keep the cap nut from accidental vibration locking or loosening while preventing O-ring removal during assembly.

A recessed stop or seat surface creates a visible leak path, exposing missing or damaged sealing rings before water damage occurs.

A reduced-width band section replaces wave elements to extend clamp stroke while preserving impact resistance and radial load.

A threaded joint, ring, and annular seal replace welded flanges to simplify vacuum duct assembly and cut site installation labor.

Visual indicators confirm full pipe insertion and correct assembly in push-fit fittings, helping prevent burst failures under pressure.

An integrated flare nut and inward flare union secures brake tube ends with lower torque, reducing leaks and assembly misalignment.

Asymmetric saw-tooth protrusions lock the cap against reverse rotation, reducing leaks while keeping pipe replacement quick.

Telescoping indicator rings and tapered threads show incomplete conduit assembly clearly, reducing cross-threading and leak risk.

A corrugated tubing fitting uses compression sealing and an anti-tamper sleeve to simplify medical gas installation while preventing leaks and removal.

A tapered protrusion and outer holding tube enable easy joint insertion into thick, small-diameter resin tubes used for durable microflow pumping.

A spacer limits seal compression in a threaded conical pipe fitting, preventing flow-path protrusion and contamination in hygienic lines.

A deep annular groove and controlled seal-region spacing cut press-fit force, enabling bare-hand tube connection without leakage.

A pre-positioned tightening bushing replaces aging gaskets to prevent hose connection leaks, mounting errors, and costly full-part replacement.

Multi-start mating threads create a fluid-tight coupling in few turns, cutting connection time while reducing jamming and thread damage.

Force and position sensing verify swage-ring pipe fitting installation in real time, helping prevent leaks and mechanical failure.

A guide ring retains a metal grip ring in push-fit pipe fittings, preventing seal damage and grip disengagement without pipe beveling.

A flared tube end joint uses a sleeve and threaded hex nut to create a leak-free mid-line seal for high-pressure hydrogen fill tubes.

A visual torque window and resilient sleeve show proper tightening while a positive lock resists vibration-driven nut loosening.

A segmented support body and grip ring keep the gasket loaded and sealed across varying pipe diameters without larger fittings.

A modular immersion fitting uses buoyancy and positive-locking parts to enable stable short-term sensor measurements with easy cleaning and removal.

Alternating gripping portions and a torque adaptor let tubing fittings use torque tools for consistent sealing force without damaging the connection.

An integrated threaded retainer and lock feature keeps engine air pipes sealed while allowing movement, cutting assembly complexity and loosening risk.

A stepped spacer and toothed bite ring create a quick, leak-proof compressed air pipe connection without o-rings or added sealing complexity.

Gripping head features, washers, and an O-ring let tubing fittings use torque tools for consistent preload and leak-free sealing.

Compressed air routed through a roll end adapter creates an air curtain that reduces friction when fitting a tight compliant sleeve onto a roll.