Wrappers TRIZ Cases

Injection molding with fiber-containing fluid mass produces stable container parts, enabling secure resealable closures and reducing gas permeation.

Dispersed rubber particles in epoxy resin eliminate stringiness during stitch coating while maintaining shower resistance.

A stretchable paper laminate with polyethylene layers and adhesive bonding.

Incorporating cyclodextrin into a polymer film creates an oil-binding matrix that reduces permeation without fluorocarbons.

Glycerol derivative mixture plasticizes vegetable polymers to create isotropic biodegradable films with high mechanical strength.

A polypropylene composition with specific branching indices and melt flow rates creates extrusion blown films.

A resin film substrate coated with an aqueous layer containing water-soluble polymer and inorganic layered mineral, topped by a titanium oxide layer.

Partial vacuum between nested trays secures items against shifting and absorbs external impact forces up to 180 kg-f.

Segmenting the tube head into a plastic neck and a paper-laminated shoulder lowers plastic quantity while maintaining structural integrity.

A multilayered cup container blends lowly crystalline polyester with aromatic polyamide to match refractive indices and maintain transparency.

Copolymerizing isosorbide with alicyclic dihydroxy compounds yields polycarbonate with high thermal stability and transparency.

A multilayer film combines polyethylene and polypropylene layers to create flexible medical solution bags.

A multilayer structure uses a phosphorus compound and polymer composite layer to bond an aluminum barrier.

Compressed features near pre-laminated holes absorb sealing forces, preventing wrinkles that compromise package stability.

Corrugated fiberboard lid flutes channel airflow to ventilate the container structure and prevent humidity retention.

Hydrophobic sizing and barrier coatings on the outer ply provide rain resistance while maintaining air permeability for deaeration.

A degradable containment system combines pulp, biopolymer, and nanomaterial layers to create a secure fluid container.

Truncated cone cup beds secure plastic cups in a biodegradable tray, preventing overturning while reducing storage volume.

Thermoforming a water-resistant carrier sheet with soluble film prevents shrink-back and eliminates bulky secondary packaging.

Angled corner panels in the wrap-around resist deformation from densely packed absorbent articles.

Longitudinal ribs embedded between cling films constrain stretch to prevent disengagement, securing heavy coils against environmental damage.

Multilayer APET packaging resolves recyclability bottlenecks by maintaining hermetic seals while allowing controlled manual separation.

Segmented cardboard hood packaging reduces empty box volume and handling time through tear-open flaps and removable components.

Blending cellulose acetate propionate with polybutylene succinate creates transparent, recyclable packaging that replaces fossil-based plastics.

Liner-supported display bags stack baked goods vertically to maintain structural integrity and surface visibility.

A closure valve assembly with a retaining ring and sloping flange secures fluid passage in collapsible containers.

A modified olefin polymer adhesive layer bonds thermoplastic resin films to aluminum foil using polyisocyanate crosslinking.

Heat-sealed rigid films replace binding agents to enable clean separation of plastic and paper components during recycling.

A flexible hermetic barrier membrane surrounds an optical component within a rigid structural enclosure to maintain volume stability.

A biodegradable seed case uses a water-soluble adhesive layer to separate casing sections upon contact with moisture.

Carrier sheet cavities sealed by dissolvable internal lids prevent premature dissolution during transport, eliminating bulky barrier bags.

A biodegradable plastic composite blends petrochemical and carbohydrate polymers to form durable films via extrusion.

Segmenting manufacturing and packing lines with an intermediate buffer decouples operations, preventing premature dissolution from atmospheric exposure.

Biaxially oriented polyester resin film prevents wrinkles and bubbles on heated metal sheets by limiting thermal contraction at 200°C.

A paper pallet block uses a structured water-repellent enveloping layer to maintain structural integrity in damp conditions.

A heat sealing laminate uses acid-modified polyolefin layers to maintain non-adsorbing properties in humid environments.

Segmented honeycomb packaging protects roof products during transport while reducing weight and storage volume.

A gusseted carton forms a liquid-tight bottom receptacle to contain melted ice water and broken beverage containers.

A two-side adherable sealing member uses induction heating to bond aluminum foil layers, creating a secure closure for cosmetic containers.

A silicone-coated multilayer packaging film uses ultrasound welding to create secure seals without leaving residue on the packaged goods.

Surface silylated polyolefin migration creates a silicon-rich sealant film that releases viscous contents without reducing heat seal strength.

Segmented wipe packaging separates rigid fitments from flexible bodies using compatible polymers, resolving adhesive contamination in recycling streams.

Circular-arc corner design eliminates sharp edges causing hand pain during shuffling while preventing contamination risks.

A composite water-soluble film structure combines distinct polymer layers to form sealed compartments that maintain integrity during thermoforming.

Shaped seals and a pre-cut create a graspable tab on the heat-shrinkable film bag, resolving leakage risks from perforations while minimizing material usage.

A paper-based laminate uses a filament mesh for tear resistance and a selectively activatable bonding layer to seal cushioned packages.

Elastomeric modifiers improve polyhydroxyalkanoate thermoformability and tear resistance, resolving brittleness issues in biodegradable food packaging.

Co-extruded EVOH layers in a polyester laminate tube resolve the trade-off between opacity and gas barrier properties for sensitive products.