Flexible Pipes TRIZ Cases

See how resin hose material selection prevents fluoroethylene permeation and refrigerant loss i

See how living hinges enable a tube to flatten and roll for minimal storage volume, then return

See how a composite thermoplastic-rubber hose structure achieves lightweight design while maint

See how magnetic self-aligning vent coupling eliminates long flexible ducts, reducing kinking,

See how magnetic alignment and segmented rigid-flexible duct design eliminate long flexible duc

A high-temperature polymer dryer exhaust duct blocks fault current and arcing, reducing lint ignition, overheating, and fire risk.

An asymmetric indicator on the ground clip guides correct hose-to-pipe orientation, preventing misattachment, deformation, and loss of electrical contact.

A manifold hose kit with tee fittings, locking chucks, and a gauge enables simultaneous tire inflation or deflation with even pressure.

A longitudinal weld line lets a single-fluororesin tube tear cleanly while preserving smooth inner surfaces, transparency, and heat shrinkability.

An elastic spiral housing tube stores cables compactly through a side slot while avoiding repeated bending, damage, and messy handling.

A single hose uses conductive braided layers and insulation to carry fluid power, electrical power, and bidirectional data in harsh environments.

Inner ridges guide bundled wires into parallel channels, cutting vertical space and improving fixation on installation surfaces.

A wound cable cassette inside the rotary joint contains cable loops, reducing strain, damage, and snagging across a wide motion range.

Oblique internal hose ribs create pressure drop and vortices to capture brake dust upstream, cutting filter load and replacement frequency.

Carbon fiber load-bearing strands cut cable dead weight while preserving tensile strength for deeper submersible lifting and power links.

An asymmetric indicator on the ground clip guides correct hose-to-pipe installation, preventing misalignment, poor grounding, and hose damage.

A calibrated hose end and stop profile enable precise laser welding of corrugated plastic liquid lines, improving sealing and assembly reliability.

A spring-supported flexible inner pipe and stepped connector improve bendability, assembly stability, and smooth compressed-air flow.

A polypropylene homopolymer wear layer separates reinforcement layers to limit friction, corrosion, and creep in deepwater hydrocarbon pipes.

By tuning crosslinking degree and storage modulus, this PE-Xa pipe balances long-term durability with short-term pressure resistance.

Monoglyceride in the hydrin rubber outer layer suppresses interface scorching, preserving adhesion to the fluororubber inner layer after storage.

Pre-coated braided layers turn multiple hydraulic hoses into one low-friction bundle, improving reeling, handling, and marine durability.

A thermoplastic outer layer insulates a cured rubber hose, locks in tight bends, and blocks environmental fluid ingress in one step.

A P3HB and aliphatic-aromatic polyester blend enables room-temperature bellows forming while improving repeated bending resistance.

A fluororesin blend tuned by stress-strain limits keeps heat-shrink tubes tearable while reducing burst risk during diameter expansion.

A shaped insert bridges carcass winding gaps in flexible pipe to smooth flow, block fluid ingress, and stay retained during winding.

Controlling polyamide molecular weight distribution and reactive polyolefin bonding improves tube formability and hydrolysis resistance.

A breakaway web at the bundle end separates selected fluid lines for easier leak-tight fitting assembly while keeping the line bundle intact.

A peroxide-cured HNBR rubber composition balances elongation at break and modulus to improve hose pressure toughness and metal sealing.

A foam polymer sheath with an embedded spiral rigid rod balances flexibility, low mass, and resistance to vacuum collapse.

A foam polymer sheath with an embedded spiral rod balances vacuum resistance, flexibility, and lower pipe mass for easier handling.

Exposed metallic wires bonded to a concentric end fitting improve load transfer while shortening reinforced thermoplastic pipe fittings.

An elastomer sleeve spreads stress at the hose-to-fitting junction to suppress cracks and fluid leakage under bending and vibration.

A three-layer hose with an elastic tube, corrugated support, and woven outer sleeve improves toughness, limits expansion, and resists wear.

Misaligned braided layers and a TPU inner tube help a high-pressure hose resist pressure, stay flexible, and avoid reinforcement separation.

A spiral inner tube and bonded outer covering improve winter damage resistance, sealing, and flexibility without full-material cost increases.

A CPE and oxidized HDPE cover blend replaces UHMWPE film to improve hose abrasion resistance without delamination, cracking, or lost flexibility.

A helically wound metal barrier joins adjacent wraps to block fluid permeation, reduce annulus corrosion, and preserve pipe bending flexibility.

Conductive carbon black in the hot melt adhesive keeps a flexible hose antistatic under bending and stretching by preserving a continuous discharge path.

A chloroprene rubber and carbon black formulation improves hose processability while maintaining crack growth and elongation fatigue resistance.

Multi-reactor catalysis balances molecular weight, low extractables, and long-term pressure resistance in propylene-ethylene pipe copolymers.

Embedded reflective or phosphorescent strips in corrugated scuff covers improve low-light visibility while protected placement reduces wear and friction.

Indexed unstapled vault wire turns keep gaps open in a flexible pipe, resisting pressure while reducing creep, corrosion risk, and bend limits.

Conductive end pieces linked by an electrical conductor dissipate static charge along a non-conductive fluid line for safer flammable fluid transport.

Layered wire densities and a 40°-70° winding angle help a reinforced hose balance pressure resistance, flex durability, and wire alignment.

Misaligned braided polyester layers improve hose flexibility and wear resistance while maintaining over-3000-psi pressure durability.

Curved and sharp barbs create quick refrigerant hose seals without crimping, helping prevent vapor leaks while protecting the barrier layer.

A conductive hose layer replaces added sensors by using resistance changes to continuously measure pressure and temperature.

A hybrid metallocene polyethylene balances melt index, density, and crosslinking degree to produce flexible PE-Xa pipes with strong pressure resistance.

Controlling PFA tube crystallization and filtered-gas extrusion cuts inner-surface roughness and metal elution for high-purity chemical transport.

Nested extendable coil pipes cut space use and keep fluid temperature and pressure stable during vertical chamber movement.

Different elastic wrapping sections make the hose wind regularly after stretching, reducing tangles while withstanding high water pressure.

A three-layer hose with an elastic core, corrugated middle tube, and fabric outer layer improves toughness, limits wear, and extends service life.

A polypropylene resin with a high-melting antioxidant enables hotter tube extrusion while preserving inner smoothness, heat resistance, and strength.

Controlled liner infill into carcass recesses improves hose support and slip resistance under deepwater pressure while easing termination.

Controlled liner infill into carcass recesses maintains hose engagement under hydrostatic pressure while easing termination in subsea use.

A propylene block copolymer and homopolymer blend improves coolant tube inner smoothness at low extrusion temperature while preserving strength.

Vacuum-assisted epoxy infusion fills voids in skived reinforcing layers, strengthening high-pressure hose-to-coupling bonds.

Moderate wire density and 1 mm or smaller bundle spacing prevent pinhole bursts while keeping reinforced rubber hoses flexible and lower cost.

Controlled fluoropolymer creep, modulus, and crystallinity improve tube joint sealing and gas barrier performance in semiconductor equipment.

A tuned fluoropolymer property range lets thin semiconductor tubes keep secure joints and resist buckling, helping reduce leakage.

A bimodal ethylene polymer blend raises PE112 pipe pressure resistance while maintaining moldability and low sagging for long-term use.

Blending HDPE with LLDPE suppresses necking during biaxial drawing, enabling uniform pipe thickness and higher hoop tensile strength.

A reflective intermediate layer and dual woven reinforcements help a liquid hose resist radiant, conductive, and convective heat.

A thermoplastic elastomer formulation enables flexible hoses to use at least 50% post-consumer material without excessive hardness or lost mechanical performance.

Compatible thermoplastic hose layers and reinforcement allow grinding without separation, cutting recycling cost while preserving hose properties.

A hydrogenated block copolymer and polypropylene blend improves tube kink resistance while preserving moldability, smoothness, and transparency.

A wedge sealing ring, welding, and crimping secure flexible pipe ends against CO2, CH4, and H2S migration while preserving load capacity.

Functional inorganic fillers with surface treatment help recycled polyethylene pipes keep stiffness at diameters above 400 mm while cutting virgin polymer use.

Molded connection points built into the pipe wall secure branch lines without clamps, saving space and avoiding wall damage or sharp edges.

Direct ETFE-to-silicone crosslinking keeps flexible hoses bonded through cleaning, bending, and vibration while preventing fluid flavor transfer.

A non-PVC SBS-SEBS blend replaces flexible PVC in tubing while preserving flexibility and kink resistance without plasticizers.

A nitrile-through-weave inner jacket and aramid outer jacket improve fire hose heat resistance while preserving flexibility and NFPA compliance.

Alternating wire winding angles let this hydraulic hose resist high internal pressure and axial tensile stress without external supports.

A joined two-tape profiling process forms a lazy-S insert that closes helicoidal gaps, reducing pipe flow vibrations with less bulky equipment.

A split retaining ring with a gripping section and bayonet fastening improves axial locking of flexible exhaust pipes and resists pull-off.

A conical polymer sealing member bonded to composite reinforcement self-energizes under pressure to cut leakage risk in flexible pipe end fittings.

Connector arms lock adjacent hoop elements and cover winding gaps to prevent polymer creep and singing in deepwater flexible pipes.

Embedded ultrasonic transducers in flexible pipe end fittings detect tensile armor defects early, helping prevent breaks under deepwater loads.

Alternating wire winding angles let this hydraulic hose resist internal pressure and axial tensile loads without external supports.