Wrappers TRIZ Cases

A corrugated fiberboard box uses segmented latch and hole assemblies to secure flaps in multiple overlapping configurations.

A laminated thermal insulating sheet uses through holes in a polyester canvas layer to evacuate trapped air between fabric layers.

Extruded plastic mesh creates a dimensionally stable support structure that reduces material usage while maintaining structural integrity.

Integrated tether assembly links pitot tube covers to landing gear lock pins, preventing structural damage from forgotten removal items.

A resin composition blends ethylene-vinyl alcohol copolymers with polyamides and boron compounds to enhance thermal stability.

A reclosable packaging bag uses parallel linear cut sections to form a distinct level difference between opening edges.

Anionic monomer units in polyvinyl alcohol copolymers reduce undissolved film residue in multicompartment unit dose articles.

A medical device package film uses a tear-enabling notch and gripping feature for one-handed opening.

A functionalized polymer layer reacts with monomeric isocyanates to eliminate primary aromatic amines from polyurethane adhesive systems.

A fully biodegradable liquid container uses plant fiber mixtures and spiral paper tubes for pressurized beverage storage.

Composite starch nanoparticles resolve poor water resistance and mechanical strength in degradable plastics.

A water-soluble film uses a polyhydric alcohol plasticizer blend to maintain hardness stability during forming.

Segmented hexagonal ink patterns block artificial electromagnetic radiation, reducing material costs while maintaining product integrity.

A microporous plastic film uses pattern rolls to create recesses and clefts that enhance moisture permeability.

A multilayer barrier film uses a thiol-ene smooth layer to host embedded particles and support a direct barrier coating.

An amorphous polyamide barrier layer prevents crystallization-induced white opacity in non-stretched PET bottle regions during long-term storage.

Heated water extracts low molecular weight compounds from biaxially stretched polyamide resin films, reducing content to 0.2% by mass.

Laser scanning lowers crystallinity in biaxially stretched polyester to enable heat sealing without high-power pulses or safety risks.

A porous film extrudate inner layer enables gas exchange for volatile corrosion inhibitor delivery.

A sheet material container uses interlocking hooks and tabs to irreversibly close passage openings.

Metallocene catalysts produce 4-methyl-1-pentene polymers with controlled molecular weight distribution and high diad isotacticity.

A wavelength-selective film protects photosensitive compositions while enabling label visibility.

A 3D printing system deposits expanded starch to form protective packaging layers around items.

A reclosable package closure uses a sealing member with peelable and lock-up seals attached to opposing panel fins.

An anionic amphiphilic compound reduces surface tension in a halogenated vinyl polymer dispersion, preventing foaming during film shaping.

Polyester resin reduces seal bar cleaning frequency by preventing low molecular weight deposits during high temperature heat sealing.

Ethylene acid copolymers with controlled comonomer content maintain optical clarity in thick-walled injection molded containers.

A pull tab label with a notch prevents loss of the tab by allowing clean removal while maintaining container integrity.

A unit dose article distributes a bittering agent across both the water-soluble film and the liquid composition to maintain consistent deterrent levels.

An acrylic-based release agent on the outer surface of a multilayer shrink film acts as a mediator to prevent structural damage to primary packages.

Wax-modified uppermost resin layer reduces surface free energy to resolve adhesiveness mismatch in high-protein food containers.

Composite filament tapes resist seawater degradation and maintain tensile strength under high external pressures for 25-year service life.

A paper laminate with stretchable outer layers and a stable intermediate layer enables precise folding.

Applying adhesive deadeners manages the wet edge width of a peelable overlabel, resolving high initial peel forces that cause substrate tearing.