Domestic Articles TRIZ Cases

Discontinuous boundaries between resin portions absorb thermal shrinkage differences, maintaining dimensional accuracy of air bag doors.

Segmented tubular needles penetrate woven preforms to eliminate porosity defects caused by non-homogeneous resin impregnation.

A laminate applicator uses a heating mechanism and folding assembly to bond decorative panels.

An energy field aligns conductive fibres in a resin matrix to enable internal induction heating, eliminating thermal damage risks from external heater mats.

A prosthetic foot coupling assembly uses interlocking rings to distribute stress across the ankle joint.

Offset pivot joints and a spring clamp allow gripper arms to deflect jointly during collisions, reducing weight and complexity.

A mold uses mesh-accommodating grooves to fix the mesh in place during resin injection.

A robot extracts half-molds while carriers remain closed to form transportable sub-assemblies.

A stripper sleeve with a pocket structure contacts closure surfaces to prevent over-stretching of tamper evident bands during stripping.

A bifurcated handle flexes downward to accommodate grasping forces.

An injection-molded elastomeric sleeve bonded to a compression-molded panel resolves the trade-off between comfort and torque resistance.

Multiple measurement points detect preform temperatures to adjust heating outputs, suppressing physical property variations across varying storage conditions.

Hollow blow-moulded fiber-reinforced plastic blade resolves weight distribution trade-offs in sports equipment manufacturing.

A three-dimensional ostomy collecting bag uses a continuous curved wall to eliminate sealed edges.

Uniform heating and mechanical forming create one-piece stair treads, eliminating color mismatches from separate manufacturing.

An accumulator pre-stores pressure to eliminate pump ramp-up delays, enabling rapid pressurization and improved bottle moldability.

Liquid-mediated autoclave saturation of non-expanded TPU reduces anisotropy and sticking while shortening charging time.

Internal cartridge heaters cure potting compounds in composite structures, eliminating external heat blankets and reducing disassembly time.

Prefoaming starch mass before injection eliminates marbled surfaces and reduces water usage while maintaining product strength.

A spring-loaded first indication ring holds its position after frangible bridge disruption, preventing clatter-like noises during container handling.

Heating a solid mandrel below its melting point allows pneumatic expansion to press fiber layers into complex molds, resolving precision trade-offs.

Automated multi-axis dispenser heads and rollers replace manual layup, reducing labor time and human error in composite manufacturing.

A two-material handle injection molding process embeds branding within a rigid inner body covered by a flexible outer layer.

A modular meter base assembly uses interlocking key and keyhole slots to join a universal base with form-specific modules without external fasteners.

A handheld plastic welding device uses spacers to limit tip penetration depth for secure thin-wall connections.

Fortified mandrels prevent transition segment deformation during winding, ensuring structural integrity and reducing material waste.

A fastener with thermoplastic protrusions liquefies and penetrates a substrate to create a secure mechanical bond.

An ellipsoidal mold cavity with a vertical diameter exceeding the horizontal dimension stabilizes resin flow during injection molding.

Circumferential groove extracts friction melt from welding zone, preventing contamination while ensuring stable fluid-tightness under thermal loads.

A bolt clamping system locks blow mold halves using adjustable force to secure positioning.

Outer shell button fixed before frame insertion to ensure precise switch overlay and water-tight sealing.

Amorphous cushion material molds to user shoulder contours, reducing localized impact forces and muscle fatigue during shooting.

Clamping laminate edges under tension displaces the neutral axis below flanges, preventing compression-induced wrinkles at convex curves.

Radial slide drive units enable synchronous multi-bundle winding, eliminating stress concentration and uneven fiber stacking.

Segmenting the liquid supply path prevents air entrainment during headspace formation, ensuring molding stability.

Dynamic offset adjustment and feedback mechanisms maintain target pressure in reservoirs, reducing compressed air consumption by up to 25 percent.

Embedded conductive scrim raises adhesive temperature through resistive heating, eliminating autoclave cycles and reducing defects.

Thermobonded nonwoven blanks expand inside molds when heated, replacing hazardous polyurethane foams with sustainable molded parts.