Flexible Covers TRIZ Cases

Corrugated board and double-coated tape form a lighter angle board for stable pallet loads.

A dense paper substrate, anchor coat, and polyurethane barrier layer deliver strong gas resistance without post-coating aging.

Interlocking molded pulp and rigid panels provide shipping protection while reducing plastic waste from EPS foam packaging.

Irradiative cross-linking gives recyclable films low shrinkage and reliable heat sealing.

This case uses controlled wetting to bond soluble paper and film, simplifying packaging manufacture while preserving complete dissolution.

This case uses polyolefin-based dispersion adhesives to bond film layers while improving recyclability without sacrificing bond performance.

Transparent windows keep drug portions visible to inspection systems while reduced-transmission cover sections carry large-area information.

A linked two-chamber pouch separates pre-wash and main-wash chemistry to improve stain removal and dishware shine.

This case replaces amine additives with metal oxide and phosphoric acid chemistry for faster, lower-temperature barrier film formation.

Cellulose bag-in-box packaging combines barrier protection with paper-stream recyclability.

A three-layer HDPE/MDPE structure addresses flexible packaging needs while retaining puncture resistance, tear strength, and recyclability.

A thermoforming mold with 2.2–10 µm land roughness supports pouches at surface peaks, reducing damage during separation.

An oxazoline resin layer supports adhesion and flexing resistance while protecting inorganic gas barriers during moist heat processing.

This case uses carboxylic acid-modified PVA and plasticizers to stabilize cold-water dissolution for chemical agent packaging.

Control substrate surface defects for stable oxygen barriers with thinner coatings.

This case balances adhesion, moldability, and water resistance in laminated packaging with a recycled or biomass-derived polyester polyol.

A multilayer EVOH and polyethylene tear layer supports predictable opening while preserving barrier performance and reducing spillage.

A PET-based cover film combines saturated copolyesters and polyolefinic copolymer for sealing, sterilization, and grease resistance.

A removable base, wheel guide, and low-friction surface help slide bulky medical devices onto caster cabinets during unpacking.

Autohydrolyzed hemp hurd yields hemp-extractive nanocellulose coatings that reduce bacterial growth and resist water.

This case uses MFI-matched polyethylene and HMPSA layers to improve film uniformity, transparency, and opening-resealing behavior.

This case combines an 85–94% paper layer, a thin polyalkylene barrier, and a recloseable zipper to preserve detergent freshness.

A polyethylene-coated paper bag uses a low-force recloseable zipper to protect water-soluble detergent articles without tearing.

Wax–elastomer coatings preserve barrier protection while resisting folding cracks.

This case shows how a deformable polymer holds a resealable bag closed, reducing spills without costly external closures.

This flexible polypropylene package uses expandable chambers to protect shipped items, reduce excess material, and simplify handling.

A polyester multilayer film uses laser-treated sealing zones and a layer slit to balance microwave resistance, strength, and easy opening.

Tetramer-acid polyester adhesive helps packaging laminates resist retorting and content attack.

Transparent inspection areas and low-transparency cover sections display pouch information without confusing automatic drug counting.

Hydrophilic group modification improves pullulan-PVA compatibility, strength, formability, and water solubility for packaging films.

This case uses a sterile microbial monoculture to turn carbon dioxide and waste-derived compounds into higher-quality PHBV bioplastics.

This laminate separates sealing and barrier functions to limit shrinkage while protecting packaged contents during heating.

This polyolefin laminate uses a PVA overcoat with hardness up to 1.5 GPa to improve winding processability.

A polypropylene film uses metallization, anti-static, and slip agents to limit oxygen, moisture, and light during high-speed packaging.

Controlled nitrate levels and acid cleaning reduce stains on silicon lumps, helping prevent defects in single crystal wafers.

A linked water-soluble pouch separates detergent formulations for timed release across pre-wash and main-wash stages.

This case uses different crystallinity levels across a PVA film to resist swelling and tearing while preserving complete dissolution.

This case uses single-layer polyolefin packaging for aqueous dianhydrohexitols, supporting stable bulk storage with minimal antioxidants.

A semi-aromatic polyamide layer drives ozone degradation in packaged water, preserving taste and quality without heating.

A PVOH interlayer dissolves in cold washing, separating multilayer packaging while preserving oxygen barrier function.

Controlled polymer layers keep the barrier liner attached to the pulp body, allowing blade piercing and beverage flow.

This case uses oriented polyolefin barrier layers to preserve gas and liquid tightness while supporting mono-material recycling.

A paper-based container protects product hygiene while enabling recyclable bulk dispensing.

Interlocking tabs replace adhesives in multi-part containers for faster, stronger assembly.

A multilayer acrylic and aluminosilicate barrier film limits air and moisture transfer, preserving abrasive performance during storage.

A polymer-matrix coating disperses inorganic scavengers to remove oxygen while preserving transparency and limiting migration in packaging.

This tray composite uses a release agent between polymer liner and fiber component for oven durability, clean separation, and recyclability.

A high-shear mixer dilutes refined cellulose pulp before the headbox, reducing flocs and supporting stronger, higher-barrier films.

This case balances paper water and oil repellency with stable application using hydrophobized modified starch at controlled viscosity.

A layered barrier paper combines PVOH and optional metal deposition to balance moisture, oxygen, grease resistance and recyclability.