Tubular Articles TRIZ Cases

A dual extruder system transfers polymer melt to secondary units for precise additive integration.

Infrared sensors measure surface temperatures at multiple points to calculate wall thickness, eliminating production interruptions caused by manual sampling.

Segmented follower rollers and adjustable rods maintain uniform tension on a rotating fibrous web, preventing waviness and fiber buckling in evolving profiles.

External suction cups support the tape roll, enabling faster unwinding speeds and simpler construction without internal mechanical constraints.

Overlapping strip edges creates a composite core that maintains axial and radial strength while reducing material usage.

A water quenching apparatus uses a wet porous material to cool and restrain a blown film bubble along its traveling path.

Internal heating creates a butt weld seam in flexible tube bodies, preventing print damage and ensuring mechanical stability.

A dual pipe manufacturing cell produces multiple corrugated pipes simultaneously using adjustable mold blocks and independent extrusion flows.

A circumferential reinforcement band strengthens the female end of a pipe to resist hoop and lateral stresses from threaded connections.

Heating and stretching preform tubes in a mold achieves molecular orientation for reinforced fittings without increasing production time or raw material usage.

Induction heating melts prepregged composite around a mandrel, eliminating molds and preventing delamination in long tube manufacturing.

Helical link winding clamps reinforcing fiber layers onto a mandrel to ensure consistent plating and geometrical conformity.

Segmented distribution plates deposit microlayers onto a central stem, preventing interfacial flow instabilities that erode physical integrity during merging.

A composite forming tool uses radially movable sectors and filler elements to shape pre-forms into integral flanges.

Tapered preform geometry lowers resin consumption and blowing energy by optimizing stretch ratios to prevent overstretching faults.

Heating elements pre-warm thermoplastic tubing before compression, resolving the trade-off between sealing speed and device complexity.

Threaded fastening replaces friction clamping to resolve stick-slip issues and ensure homogeneous wall thickness.

Internal shortwave radiating elements heat the inner pipe surface directly, eliminating slow external contact methods and non-uniform temperature distribution.

Segmented moulds with integrated fluid channels resolve complexity trade-offs while maintaining constant temperature for efficient molecular orientation.

Opposing gas streams create suction forces that hold the tube steady, reducing vibration and noise while maintaining high throughput rates.

Integrated handheld device fuses and seals multiple tubes simultaneously using coordinated heated cutting blades and sealing pads.

An automated core tube adjustment system replaces manual die bushing positioning, eliminating iterative trial-and-error adjustments that cause material waste.

Arranging mandrels along the rotation axis lowers moment of inertia, cutting indexing time by six times and doubling production rates.

A PEX expanding tool uses a dual-ram mechanism to rotate and radially expand segmented heads.

High blow-up ratio and narrow die gap align molecular structures in renewable polymeric blends to increase film strength.

A moving manifold connects cooling fluid supply and return lines to a mold housing passageway for efficient heat absorption.

A rotating floating core extrudes molten resin to form curved branch pipes, eliminating post-machining of thin resin films.

Linear transport device moves thermoplastic pipe mold halves counter to production direction.

Lever kinematics synchronizes opposing lateral guides to eliminate manual angle mismatch, reducing setup time and film waste.

Rotatable jaws and a vertical handle enable PEX pipe expansion in tight spaces without bulky structures.

A return head with variable-length support elements adapts to carrier strip radial position during resin tube production.

Internal heating of a multi-layer hose enables precise bending through elastic recovery, avoiding inner layer damage from external pressure.

Overlapping heating and cooling cycles across multiple stations reduce cycle time for complex plastic tube contours.

Superimposes layers with opposite helical angles to eliminate fiber fogging and improve tube rigidity.

Introducing fluid between the guide element and film tube creates a liquid cushion that adapts to varying diameters while providing effective cooling.

Dual guide pins engage stationary grooves to align corrugator mold jaws, resolving bearing size constraints for small diameter plastic pipes.

A system using heatable folding shoes and forming tubes to wrap thermoplastic prepreg tapes onto a floating mandrel for continuous processing.

A water-soluble polymeric mandrel expands during composite lamination to form hollow structures.

Continuous heating prevents premature cooling and hardening during bending, ensuring high forming accuracy while eliminating the need for specific metal molds.

Atomized cooling liquid evaporates upon contact with the hot weld seam, reducing water consumption and contamination risks.

An oscillating take-off unit repositions tubular film to distribute thickness variations before monoaxial orientation.

An average tilt angle of 1.5° or higher eliminates periodic scale patterns on thermoplastic fluoropolymer surfaces without using release agents.

Heating HDPE or PA semi-finished products near their melting point disrupts crystalline structures to enable spatial shaping in fixtures.

Continuous vacuum debulking eliminates manual interruptions and reduces fabric bulk.

Fine basic magnesium particles suppress huge cell formation caused by extruder stagnation, ensuring uniform foam structure.

Integrated molding of carbon fiber composites and nylon air ducts resolves manufacturing complexity while ensuring flame retardancy.

Integrated sealing iron and cutting anvil resolve long cycle times and contamination risks in bioprocessing tube operations.

Treatment roller heating prevents extensive cooling to avoid cloudy surfaces and reduce system height.

A perforated tubular member draws the polymeric tube external surface inward using vacuum pressure to maintain shape during extrusion.