Wrappers Shrinkage TRIZ Cases

A packaging module uses adjustable guiding sections to control wrapping rod position and tension for film application.

A dual-heater packaging system uses independent peripheral and inner heating zones to seal plastic films onto supports with high precision.

Lateral heating registers utilize natural convection to reduce energy consumption while providing side access for easier maintenance.

Extending the cover film beyond the base film allows gas access via lateral edges, eliminating perforations that cause material wastage.

A dividing device forms article groups while a cutting station trims thermoplastic film to match each group size, optimizing pallet space usage.

External lifting devices move guide plates vertically to block specific nozzles, preventing product collision while targeting heat distribution.

Adhesive contact points transfer tensile forces from the carrying handle directly to beverage containers, preventing thin shrink film rupture during handling.

Recycling circuit redirects heated air from outlet to inlet, reducing heat loss and energy consumption during shutdown periods.

An internal handle strip overlaps within the heat shrink film to prevent delamination under heavy loads.

A polyester resin film maintains container adhesion during thermal processing through controlled molecular orientation.

Pressure regulating openings on the spreading element equalize Bernoulli-induced pressure differences, preventing jamming of ultra-thin foil sleeves.

Wrapping material applied from below eliminates pedestal constraints, resolving perimeter area limits and reducing packaging complexity.

A polymer blend of high and low glass transition temperature materials creates a shrinkable film layer with adjustable thermal properties.

Segmented cutting strips allow quick punch reconfiguration, reducing machine downtime while maintaining structural simplicity.

A heat-shrinking bell with a movable internal partition defines the main heating chamber volume.

A swing divider system with a curved deflector directs hot air across conveyor tracks, reducing turbulence and preventing premature film contact.

Dynamic heating device segmentation adjusts active elements to maintain target temperature in shrink-wrapping zones.

A packaging device uses a control device to manage functional sections for aligning units.

A shrinkable receptacle encloses a hydrophilic catheter to minimize wetting fluid volume.

Selective heat shrinking creates blunt corners on medical packages, reducing stress points and tear risks while maintaining sterilization windows.

A coextruded shrink film integrates a foamed LDPE bubble layer to provide thermal insulation without compromising puncture resistance.

Pneumatic cooling units blow air onto heat-shrunk overwrappings before packet contact, preventing sticking and reducing deformation during separation.

Shrink film shields painted vehicle wash supports from corrosion and debris accumulation.

A segmented conveyor uses ratcheting dogs to lift and position containers vertically within a resistance heating oven.

A shrink tunnel adjusts lateral heating and conveyor speed to enter standby mode efficiently.

A shrinking device suction panel redirects air intake away from the transport section to stabilize shrink film positioning during heat treatment.

A film tube pull-down method uses controlled gathering and ungathering to secure loads with uniform folds.

A stretchable film layer on the inner surface of a phonographic record jacket absorbs energy from vinyl shifting, preventing seam splits during shipping.

A packaging machine encases flat folded sleeves with a flexible polyethylene film to create a compact outer unit.

A multilayer heat-shrinkable film uses pre-formed tear initiators to enable manual package opening without cutting tools.

Lateral film carriage and shrink tunnel movement accommodates diverse package dimensions, eliminating expensive tooling for low-volume production runs.

A packaging tool uses movable support members inside a roll core to control rotation and enable one-handed tape application.

A deflection device redirects hot air onto article surfaces, resolving uneven shrinkage quality and high energy consumption caused by fixed shaft wall designs.

Apparatus uses intersecting directed light bundles to irradiate shrinkable labels on a conveyor.

Heated gas channels inflate film into a bulbous shape, ensuring uniform heating and preventing seal failures on large trays.

Heated tunnel walls radiate energy while headers eject steam to minimize condensation on containers during the shrinking process.

Two-stage biaxial drawing of polyester film with specific monomers resolves the contradiction between shrinkage force and longitudinal mechanical strength.

Vertically movable film stations select appropriate packaging heights along a single conveying line, eliminating separate lines for different product formats.

A pallet roping apparatus uses rotationally coupled spool cores to unwind stretch film through adjustable guides for forming protective ropes.

Nested sleeves with cushioning liners distribute impact forces on fragile building tile corners, preventing shipping damage without excessive material volume.

Suction-based gripping devices connect film ends between rolls, eliminating manual threading interruptions during packaging roll changes.

Acme screw mechanism dynamically adjusts wrapping bar height to accommodate articles of different heights while maintaining conveyor synchronization.

Segmented shrink packaging uses peripheral zones to maintain structural stability during container extraction, preventing rupture and litter.

Inner layer blend of polypropylene and ethylene copolymers enables smooth linear tearing in multi-layer packaging films.

A film wrapping machine uses two opposed carriage assemblies to dispense packaging film simultaneously around a load.

A railless conveyor synchronizes packaging and grouping station speeds to eliminate physical buffering requirements.

Extending adhesive handle portions along the full film height reinforces junction areas, preventing tearing during high-speed application.

Movable side walls reduce thermal losses and warm-up times by matching tunnel width to load size.

A clamping device uses a movable external dragging surface to frictionally engage and pull sheet material into an internal gripping area.

Direct contact heating eliminates condensate formation and mildew, removing downstream drying systems while ensuring stable label adhesion.