Bags TRIZ Cases

Non-migratory polysiloxane additives prevent fatty acid amide oxidation and migration, preserving beverage flavor in sensitive foods.

Interlocking convex and concave ribs generate an audible click when engaged, confirming seal completion and preventing leakage from incomplete closure.

Different melting temperatures in upper and lower web parts direct tearing forces to the indicator, preventing bag wall damage during opening.

Closing half-gussets against walls reduces film consumption while maintaining a flat bag head area.

A sheetlike composite uses a polymer layer to create dimensionally stable containers.

Metallized plastic butt bag integrates heat-resistant cardboard plates to extinguish cigarettes, resolving bulk issues of traditional pocket ashtrays.

Segmenting the barrier portion into varying thicknesses prevents contents leakage during retort sterilization while enabling easy manual opening.

A double check valved bag design featuring a tubular structure formed by folding the valve sheet and return sheet.

A flexible pouch integrates a storage compartment and dispensing unit to enable precise metering of flowable products.

Packaging bag with nested air columns and heat-sealed shielding portions provides cushioning for diverse product sizes.

Internal guides direct ink cartridges to prevent catching, resolving the trade-off between storage density and ease of operation.

A valve bag thermal tube combines a paper carrier with a reduced plastic coating to maintain structural rigidity.

Knitted net carrier replaces metalized film to resolve resin shortage and labor-intensive manufacturing bottlenecks.

Vertical reinforcing straps segment lateral walls to prevent barreling, allowing efficient stacking of particulate materials.

A cylindrical guide element directs a bag flange into an annular seat, preventing detachment during inflation and simplifying assembly.

A multi-layer polymeric film resolves the trade-off between reduced thickness and barrier properties by using a composite structure with distinct skin layers.

Pre-laminating adhesive film over the full bottom member eliminates precise positioning requirements during assembly, preventing leakage in small bags.

A lay-flat pouch uses a folded side seal configuration to create a stable base structure.

A collapsible ring member expands inside a pouch neck to hold the opening open, reducing contamination risks from direct hand contact.

A hybrid bag with a reinforced valve section prevents leakage during filling by allowing gas passage while resisting liquid and particulate escape.

Distinct drawtape regions with molecular and geometric deformation resist reopening during shifting, preventing spillage.

A self-standing flexible container uses a rigid annular member bonded to the tubular body for structural support.

A flexible annular band with a locking collar expands to hold bag openings rigid.

Rigid longitudinal members and flexible transverse securing elements hold resealable bags open without distortion, enabling collapsible storage.

A crime-scene body bag embeds forensic instruments including fingerprint scanners, cameras, and GPS monitors within its flexible enclosure structure.

Segmented jaw holder with cam release eliminates manual wrench use and reduces maintenance downtime.

Adjustable wrapping strap locks flexible sleeve to rigid body, preventing contamination during shipping.

Alternating perforated and solid strips in an air gill bag prevent pressure buildup while maintaining structural integrity for lawn debris.

Recesses in plastic film boundaries reduce sticking tendency, enabling precise product insertion without forcing films apart.

Segmented aluminum frame segments fold into the bag volume, resolving the trade-off between structural stability and reduced storage volume.

Composite layers resolve oxygen barrier versus flex crack resistance trade-offs in 50-200 micron FIBC liners.

An adhesive substrate and cover sheet maintain a folded waste bag in a compact storage volume, resolving the trade-off between accessibility and portability.

A temperature compensated bellows uses a nested miniature reservoir with a second fluid to counteract thermal expansion in capillary tubes.

An ink jet composition uses anionic surfactants to stabilize sublimation dye dispersion through electrostatic repulsion.

Co-extruded high-friction grip strips on HDPE panels enable easy opening while preserving film strength.

Geometric engagement points on pliable packages enable automated manipulation devices to process non-fixed geometry items without manual intervention.

A multi-compartment bag merges separate food storage into one unit using sealed seams and zippered closures.

Folding profiled strips create sealed connections that prevent cross-contamination during product transfer.

Flexible die-cut flaps distribute weight across non-cut edges to prevent rupture of heavy plastic bags.

Alternating adhesion and non-adhesion zones on a base film allow users to peel the tape without damaging bags, eliminating disposal separation.

A two-ply paper sack uses an air-permeable moisture barrier film between plies to form deaeration spaces during filling.

A spill prevention strap secures a consumer goods container to a vehicle seatbelt.

A kidney bag with extracorporeal and intracorporal rings supports a through circulation passage, enabling crushed ice refrigeration during laparoscopic surgery.

A collapsible container uses a removable rim member to maintain an open aperture while the foldable walls collapse into a flat shape.

Segmented sealing zones and local quality adjustments allow easy opening while maintaining leakage prevention.

Segmented multilayer films maintain toughness and creep resistance at reduced thicknesses to lower material costs.

A zipper closure uses an unsealed lower flange to direct opening forces away from interlocking elements, increasing resistance against child access.

Segmented pouring paths in the butt seam allow low-force tearing for accurate pouring without tools or leakage.

Inset interior liners segment the compartment to optimize volume, while integrated handling openings merge access features into the structure.

Curved arcs and breaches in the valve structure prevent air backflow, maintaining long-term air-lock duration for reliable sealing.