Wrappers TRIZ Cases

An inorganic aluminum oxide coating transfers onto a paper carrier to create a grease barrier that separates from fibers for recycling.

Ratchet teeth engage the strap to maintain tension while smooth surfaces distribute pressure and prevent chafing on connected items.

Extrusion lamination of a pre-stretched crystalline PET film with a polyamide adhesive reduces polymer usage by 50% while preventing cracking.

Embossed pattern on thermoplastic film redirects tears into tortuous paths, balancing puncture resistance and weight.

Thermal expansion of nested microparticles reduces storage volume while maintaining mechanical protection.

Laminated stretch packaging film prevents whitening during high stretch by controlling propylene resin crystallization parameters.

Resin composition controls molecular weight distribution to resolve the trade-off between natural shrink resistance and heat shrinkability.

Segmented wrap material with separable connections and edge overlays reduces bale recoil and entanglement while minimizing core waste.

Intermediary contact strips absorb abrasive forces between scratched HDPE trays and containers, preserving label integrity during reuse.

A biodegradable mailer integrates phase-change materials and superabsorbent powders within a waterproof film structure.

Monolayer polypropylene film balances heat resistance and low-temperature impact strength for sterilization packaging.

Segmented panels and elastic deflection reduce warping risk in decorative cartons while maintaining structural integrity.

Water-insoluble particles partially embedded in a water-soluble substrate form surface protrusions that resist accidental moisture exposure.

A biaxially oriented polyester film with optimized molecular orientation enhances adhesiveness to metal layers.

Fluid-jet-split microfilament sheets resist abrasion and pilling while preventing paint defects from broken fibers.

Segmented stretching with controlled parameters increases machine-direction tear resistance while preventing blocking.

Curved sealing webs prevent drooping and leakage in multi-compartment detergent capsules while maintaining manufacturing simplicity.

Thermoforming stretches the composite beyond its elastic limit to remove creases, ensuring gas-tight sealing and compostability.

Converting native cellulose to dialcohol cellulose creates dense films with oxygen permeability below 30 ml·µm/(m²·kPa·24 h) at high humidity.

A flexible multilayer packaging film combines organic and inorganic layers to achieve ultra-low oxygen transmission rates.

A three-layer coextruded film structure connects an antistatic plastic layer to an aluminum barrier via a dedicated adhesive interface.

A polyester film containing 0.01 to 2 mass percent wax laminates onto metal sheets for container manufacturing.

Multi-layer films use bio-based polyethylene and polypropylene to reduce petroleum dependence while maintaining seal strength.

A liquid-repellent layer forming resin composition uses a silylated polyolefin to prevent particle aggregation and improve dispersion stability.

Optimizing metal ion content within the ionomer resin balances interlayer bonding strength against tearability, resolving a common packaging bottleneck.

A reusable gift packaging system uses a mount with mounting apertures and a stretchable decorative wrapping to enclose items of various shapes.

Packaging film incorporates silver-containing particles into a functional layer to ensure direct contact with packaged goods for microbial inhibition.

Segmented paper layers distribute mechanical stress to prevent delamination while maintaining high recyclability in flexible packaging.

Integrated cutting tapes resolve manufacturing complexity by combining reinforcement and guidance into one component, allowing easy bag opening.

Wet-formed paper plies press into molds at moderate temperatures to create detailed package geometries without high-energy drying steps.

Paperboard beverage carrier with water-soluble film layer and tear slit resolves plastic pollution and wildlife entrapment.

A polyester resin forms stable aqueous emulsions without external emulsifiers or organic solvents.

An aluminum orthophosphate composite coating preserves barrier performance after retorting by resolving stability contradictions in food packaging.

Replacing mechanical folding with energy fields eliminates machine wear and increases packaging line speed while maintaining process reliability.

Replacing fluorocarbons with zein and polyol esters maintains grease resistance while preserving surface energy for printability.

A rigid carton container sealed with a flexible plastic header featuring a zipper closure mechanism.

Post-industrial cotton waste forms a biodegradable insulation layer that resists heat transfer while eliminating contamination risks from plastic wrapping.

Segmented twin screw extruders gelatinize starch separately before blending with polyolefins, preventing high temperature decomposition risks.

An arcuate sheet body with bow members maintains tension against wind loads, preventing sagging under accumulated snow or debris.

A packing container extrudes edible gelatinized material through a narrowing opening to form swallowable grains.

Automatic lamination of a nested inner label conceals confidential printed information while preventing peripheral floating and unintended peel-off.

Styrene block copolymer adhesive eliminates polyurethane cross-linking delays and toxic amine risks in flexible film production.

Segmenting polymer properties across three layers resolves the trade-off between structural integrity and recyclability in single-class packaging.

Alternating folds and sealer strips create a compressible cavity in the liner, enabling simultaneous unloading of bundled goods to reduce delivery time.

A compostable film structure uses a metallized layer to maintain radiant barrier properties for food packaging.

Surface structures on sealing films reduce dynamic friction against steel without slip additives, preventing additive migration and maintaining transparency.

Dynamic inflation creates an air barrier that absorbs hail impact energy while maintaining portability.

Recycled paperboard attains virgin-fiber strength by optimizing MD/CD stiffness ratios and caliper, avoiding cost penalties from excessive thickness.

Printing instructions on the interior surface protects ink from moisture and abrasion, ensuring legibility during use.