Weft Knitting TRIZ Cases

Sensor devices generate measurement pulses per unit length of yarn feeder path, enabling a control unit to detect thread breakage or standstill conditions.

An annular oscillation damper integrates with a frusto-cone yarn brake body to dissipate resonance energy, preventing detachment during high-speed withdrawal.

Stimulus-responsive activatable yarn eliminates post-processing by dissolving to form apertures, reducing manufacturing time.

Balanced torque composite yarn enhances snagging resistance without impairing soft touch or stretchability in knit fabrics.

Tensioning a joining thread between planar knit edges creates a seamless abutment, reducing stress concentration and material waste in footwear uppers.

A control unit switches proportional-integral coefficients to adjust yarn tension rapidly.

Actuated laminar retainers prevent yarn breakage and loop tensioning errors by holding stitches between needles without sinkers.

Inside-out unloading via suction through a lower reversing tube prevents visible threads on the right side.

A flat knitting machine method stores weave-specific correction values to regulate yarn consumption and control coil length precisely.

Segmented dome-shaped boron carbide protectors on a knitted textile reduce friction and rollover risk while maintaining mobility.

A knit thermal sleeve integrates heat vent openings within its wall to manage radiation while maintaining structural integrity.

Localized reinforcement in a flexible polymer coated glove resolves the trade-off between wear resistance and flexibility for improved tactile sensitivity.

High-friction yarns knit into a raised inner texture prevent leg slippage in compression garments without adding bulky seams or silicone strips.

Internal knots in a knitted inflatable element prevent tearing and control shape without adding weight or rigidity.

A flyknit bag substrate uses variable layer density to balance bending flexibility with structural integrity.

A spacer textile uses alkaline agents to remove tie yarn portions, creating variable air channels within the knit structure.

A knitted lacrosse pocket uses varied stitch patterns to create distinct stiffness zones for improved ball handling.

A yarn feeder drum uses magnetic sensors to detect lever movement and adjust motor speed for precise tension regulation.

Stationary electric coils generate magnetic fields that interact with magnets on pivoted yarn fingers, eliminating cable fatigue from continuous deformation.

Separate weft threads bind off knitted fabric edges, preventing contraction and preserving elasticity for easier garment wear.

Outside widening method for tubular knitted fabric forms two continuous stitches to prevent holes at the widening stitch area.

A toeless garment welt encircles the foot using high elongation nylon and spandex yarns for a secure compressive fit.

Segmented knitted fabric applies pressure to concave body areas by combining a rigid core with a flexible edge zone for precise contour adaptation.

An automated textile machine manipulates predefined threads to shape three-dimensional structures, eliminating manual molding steps and reducing material waste.

A knitting yarn with pre-formed loops enables tool-free hand assembly by threading discrete segments through each other.

Composite cesium tungsten oxide particles improve polyester fiber thermal insulation while maintaining dyeability.

A knitted footwear upper divides the heel into zones with varying elasticity to resolve comfort versus securement trade-offs.

A spring compensator absorbs sudden yarn absorption changes to reduce tension peaks and prevent breaks in rigid thread systems.

A fiber sheet upper material uses specific tensile characteristics to enhance shape retention and foot stability during intense movements.

Unitary knit construction with monofilament areas reduces manufacturing complexity and waste while maintaining functional performance.

A unitary knit trim piece merges zones via overlaying apertures, eliminating assembly complexity and material waste.

A multi-knitted wearable garment combines a bulky knitted fabric layer with a water-absorbing and quick-drying knitted fabric layer.

A control unit adjusts reference tension based on measured yarn consumption rates to stabilize feeding in textile machines.

Multi-level openings in a knitted shoe upper paired with a semi-permeable membrane balance water resistance and ventilation.

Integrally weaving shoe extensions eliminates post-processing steps that compromise aesthetic integrity and increase production complexity.

Segmented knitted layers resolve the trade-off between production efficiency and longitudinal elasticity in sports footwear.

Segmented shield boxes and tables with composite materials absorb scattered X-rays, reducing medical worker exposure without heavy personal gear.