Wrappers TRIZ Cases

Corrugated flaps fold into honeycomb recesses to eliminate abrasive edges while maintaining structural rigidity.

A multilayer film uses a specific resin blend to create a visible release mark while maintaining sealing integrity.

A flat package system holds fibrous water-soluble unit dose articles containing household care active agents.

A thermoplastic resin copolymer maintains adhesion between polymethylpentene and polar resins after stretching or retort treatment.

A three-layer packaging material uses porous functional particles to maintain food freshness.

Plasma surface modification enables direct thermocompression bonding of thermoplastic films, eliminating VOC emissions and contamination risks from adhesives.

A pouch tear strip uses a tab and guiding regions to initiate opening along predetermined paths.

An intermediary water-permeable layer resolves the conflict between odor suppression and oxygen absorption efficiency in packaging.

Refined cellulosic fibre pulp with a Schopper-Riegler number of 70 or more enhances the structural integrity of manufactured paper and board products.

High molecular weight oligomer adhesive prevents demetallization and ink decal in reverse printed film laminations.

Acrylic copolymer emulsion prevents yellowing while improving oil resistance and heat sealing.

Zirconium and manganese oxides in the coating layer suppress tin oxide growth, improving yellowing resistance without chromate treatment.

Optimizing polyamide distortion to 20-45% prevents aluminum foil breakage during cold forming.

Incorporating a nonionic surfactant into the adhesive layer improves reclosing quality while maintaining easy first opening for perishable food preservation.

A polyvinyl alcohol film uses a specific ester compound to enhance transparency and antistatic properties.

A packing container holds lubricating liquid in a liquid-permeable surface to resolve water condensation adhesion on rugged textures.

Inclined planes on symmetrical cushioning portions distribute oblique impact forces evenly across the structure, preventing deformation of electronic devices.

Composite zinc pyrithione, silver, and zeolite extend food shelf-life without taste or odor migration.

Nitrocellulose coating resists water penetration in biodegradable thermoplastic starch while organic acids inhibit retrogradation.

A thermoformable film uses an ethylene vinyl alcohol sealing layer to maintain structural integrity during high-temperature cooking.

Dual barrier condom package forms touch detectable solid structures via chemical interaction, providing tactile evidence of unauthorized access.

An insulation tube with elasticity parts surrounds a prismatic battery case to provide electrical isolation and secure mechanical coupling.

Thickened edges and embedded metal wires boost clamping force, solving the trade-off between grip strength and flexibility in semi-automatic machines.

Segmenting barrier layers across a polyolefin core reduces oxygen transmission rates by two to fifteen times compared to single-layer films.

A polyvinyl alcohol film with a transverse-to-machine elongation ratio of 1.05 to 1.5 suppresses curling and positional shifts during sealing.

Metallocene LLDPE and HDPE blend reduces curling below 10% while maintaining sealing integrity for recyclable polyethylene streams.

Biopolymer coatings replace polyethylene on cellulosic boards to resolve the trade-off between oil resistance and recyclability.

A PVOH barrier layer in a multilayer sheet prevents pinholes and flex cracking while enabling high recyclability.

A polymeric material formulation creates a cellular structure through extrusion to form insulated containers.

Vacuum-molded fiber containers use composite barrier coatings to maintain structural rigidity during microwave heating.

EVOH resin composition adds acetic acid and aliphatic carboxylic acid metal salts to improve impact resistance while maintaining gas barrier properties.

Vacuum adapter extracts viscous food substance without carrier fluid, enabling precise aeration control and complete extraction.

A protection coat layer using phenoxy and urethane resin prevents electrolyte adhesion and surface swelling while maintaining chemical resistance.

A compostable beverage cartridge uses a piercable lid with an annular collar to maintain structural integrity during brewing.

A retainer sleeve holds medical devices in a thermoformed tray while allowing one-handed removal.

Homopolymer polypropylene sealant prevents pinhole formation during microwave heating while maintaining adhesion through an acid-modified anchor layer.

Hybrid fibrous composition using tree-free materials replaces conventional hardwood pulp in corrugated medium layers.

Microbial inflation adapts bubble volume to secure articles while biodegradable shells degrade rapidly.

A multi-layer film incorporates a deformation-resistant layer between seal layers to prevent surface interruption and ensure adequate heat-seal strength.

Copolymerizing butene-diol with vinyl alcohol creates films that block oxygen migration without compromising dissolution speed.

Incorporating rice bran and inorganic fillers into synthetic resin reduces petroleum resource exhaustion while maintaining processability.

A gas barrier film with optimized surface protrusions prevents blocking during processing while maintaining high oxygen barrier properties.

A friction-based datum pin enables bidirectional adjustment of bumper covers, ensuring precise gap widths before permanent fixation.

A multilayer edible material composed of distinct hydrocolloid substances, with each layer cross-linked by bivalent metal cations.

Segmented packaging prevents swelling from hydrogen gas while maintaining oxygen barriers for reliable long-term storage.