Wrappers TRIZ Cases

A foam-formed cellulose fibre material provides mechanical strength and gas barrier properties.

An asymmetrical fold line joins the second front wall and wing without a longitudinal seam, resolving recyclability issues in laminated polyolefin packaging.

Packaging film incorporates infrared blocking additives to prevent moisture condensation and mold growth on palletized loads.

A steel sheet with a nickel coated layer and zirconium chemical treatment layer enhances film adhesion.

Density-differentiated thermoplastic resin layers resolve the trade-off between high-speed filling productivity and heat resistance reliability.

A water-soluble polyvinyl alcohol film blends dipropylene glycol, sorbitol, and glycerin to enhance aged tensile strength and adhesion.

A polypropylene composition blends a propylene terpolymer with an ethylene-based plastomer to achieve specific sealing and optical properties.

Injection-molded lids provide dimensional stability to water-soluble film chambers, resolving flexibility issues in multi-product detergent packets.

A multilayered plastic container uses an intermediate barrier layer positioned at the grounding portion to maintain reduced thickness and weight.

A continuous coating process applies fatty acid chloride to predried cellulose fiber webs under controlled humidity and temperature conditions.

An extended protective layer portion on a surface sampling device facilitates easy removal, reducing contamination risks during industrial application.

A polyester film featuring a heat sealing layer designed for high tensile strength and controlled reversible heat capacity.

A multilayer film uses a maleic anhydride grafted coupling layer to join polyolefin sealant and barrier layers.

Molded pulp trays and corrugated cardboard partitions protect bottles from breakage and label abrasion during transit.

Threaded engagement compresses a sealing liner against a jar opening, resolving plastic recycling inefficiencies by enabling homogeneous material construction.

A polyester resin coating layer on a metal sheet uses laser Raman spectroscopy to control crystallization and orientation.

A laminate uses a graft-modified polypropylene deposition layer to bond a polyolefin resin with an inorganic coating.

A dissolvable container encloses food ingredients and interacts with liquid injection devices to eliminate plastic waste from beverage preparation.

Solvent extraction removes lignin from plant fibers, eliminating energy-intensive delignification and chemical bleaching while maintaining mechanical strength.

A multilayer package structure integrates a nonwoven outer layer with a low-melting polyolefin sealant film.

A resealable blister package uses a peelable lidding member with heat-sealable and metallized film layers to enable access and secure storage.

An amorphous polyamide barrier layer in a co-extruded polyethylene bag blocks fecal odors without generating dioxins during incineration.

High line load pressing overcomes NSSC stiffness limits, achieving densities above 725 kg/m3 and geometric SCT indices above 37 Nm/g.

A vacuum-formed packaging case uses ridge-within-groove nesting at abutting edges to absorb shock and cushion impact.

Coextruding a branched LDPE and linear LLDPE blend onto paper resolves adhesivity issues while increasing bio-based material share.

Transpiring paper wrapping creates an internal pressure gradient that prevents water vapor re-entry, maintaining food texture and shape during oven heating.

A cellulose ester film restricts moisture and oil diffusion through controlled hydroxyl group ratios.

Crepe paper-covered cardboard eliminates plastic disposal burdens by delivering adaptable cushioning through a fully recyclable single-material structure.

Segmented foam panels with varying densities accommodate irregular rear shapes while distributing impact loads to prevent screen cracking during transit.

Hollow tapered trays nest to reduce storage volume while maintaining bottle protection against drops.

A composite packaging bag uses elastic adhesive layers to bond waterproof and insulation materials.

A three-layer polypropylene laminate structure with a specialized intermediate resin composition.

A resin molded product uses stacked polyolefin layers containing ammonium and metal carboxylic acid salts to deliver sustained anticorrosive protection.

A polyolefin composition blends specific polyethylene and ethylene copolymers to produce blown films.

A rim assembly with securing tabs enables repeated sealing engagement, resolving contamination issues in hazardous liquid containers.

Simultaneous biaxial stretching of polybutylene terephthalate films improves linear tearing property while maintaining impact resistance and transparency.

A trench in the seam reduces thickness to accelerate dissolution and improve product dispersion.

Graduated cartons hold nested cup and lid stacks, resolving retail visibility issues by optimizing shelf display.

Bonded filtration sheet material replaces stiff laminates, enabling flexible shapes and lower production costs while maintaining reliable sealing.

Segmenting barrier layers around a polyolefin core lowers oxygen transmission rates compared to single-layer films.