Bag Making Operations TRIZ Cases

An elongated tearing guide piece bonded to the film directs tearing along a defined path while a surrounding seal area maintains integrity.

Laser alignment tool directs pressurized air flow to prevent bag blank skewing and wrinkles during sideweld seal head transition.

A sliding bracket with a spring positioning column moves the cutting knife along the Y-axis to accommodate different bag sizes.

Sealed handle patch forms continuous tube on side gusset laminate, preventing detachment and improving ergonomic handling.

A defect detection device uses a pivotable arm and sensor to monitor bag making materials without constant contact.

Clamping members prevent pressurized gas escape from an unsealed bag top edge, ensuring complete inflation and stable spout opening shape.

Welding extensions of front and back panels to the gusset creates a reinforced handle structure that replaces rigid jugs while reducing material usage.

Dual-ridge snap caps attach temporarily to prevent contamination during shipping, then lock permanently to ensure gas-tight seals for flexible pouches.

A flexible material package integrates a reinforcing element within an upper sealed area to support gripping means and prevent structural failure.

Embossed polymeric film bags redirect tear propagation paths to prevent punctures without increasing overall weight or cost.

Unheated welding jaws apply an impact impulse to plastic films, generating localized heat through deformation to form a weld seam.

A bag-like container uses a folded tubular film to form both inner and outer surfaces with projecting engagement portions.

Segmenting the flexible pouch from a rigid port assembly manages fluid expansion during freezing, preventing seam rupture and delamination.

Pre-formed multi-layer bag folds prevent kinking during large volume liquid or granular material filling, ensuring complete container utilization.

Low porosity paper and flexible adhesive prevent oil leakage in microwave popcorn bags, eliminating fluorocarbon treatments.

Segmented treater heads treat both film sides simultaneously, boosting adhesion without reducing speed or increasing power consumption.

A zipper tape with intermediate hinges enables easy unsealing by sliding bag sides along the longitudinal direction.

A driven roller shift unit independently moves rollers to align reference marks on film materials.

An integrated pivotable lid seals the container opening, preventing adhesive contamination and lowering production costs.

A composite storage bag uses a lap seam joint formed between distinct polymer melting points to create a durable seal.

Segmented main and resealable openings resolve the contradiction between environmental protection and ease of operation in flexible packaging.

Replacing mechanical linear movement with pneumatic actuators reduces wear and maintenance costs while maintaining high transport rates.

A resealable enclosure uses spaced fastener strips attached to a flexible web to form sealed corners without continuous strip material entering the corner regions.

Segmented suction sections stabilize cutouts during optical inspection, resolving position instability in folder-gluer quality control.

A continuous web process secures transparent inserts between printed sections to maintain feature alignment.

A circulating belt presses a plastic tube bottom against a counter-contact surface using an adjustable front deflection roller.

A thermoplastic bag incorporates a reinforcing strip attached to the bottom edge to resist puncture and rupture.

Adhesive areas on outer and inner end panels secure corner gussets, preventing trim debris contamination during assembly.

Offset edges on garbage bag sheets create visual distinction, resolving difficulty separating matching plies.

A housing support with a continuous conveying path guides packaging material through a rectilinear axis, reducing driving forces and minimizing jamming risks.

Segmented opening device portions with angled edges reduce material usage and production time while ensuring reliable liquid food pouring.

A resealable pouch enclosure uses preliminary film cutting to form exterior tabs before folding and zipper assembly application.

An infrared camera detects longitudinal heat seal temperature gradients to identify manufacturing faults.

Programmable control synchronizes drum and folding roller speeds to resolve jamming risks and improve separation accuracy during high-speed bag manufacturing.

Oblique fold lines shape upper gusset portions into triangular zones, clearing the reclosable opening to resolve volume versus extraction trade-offs.

An extractable chassis module with mobile supports enables quick removal of the welding unit from flexible container machines.

A roll-up adhesive band with specific coating patterns bonds tubular mesh via heat and pressure, preventing material degradation in sustainable packaging.

Segmented slitting and independent trimming of tube panels eliminate perforation lines, enabling high-speed manufacturing of closed bag ends.

Optical sensors measure print pitch positions on plastic film to drive mechanical stretching devices for individual alignment.

Segmented cover sheet connections enable recyclable foil bags by allowing easy removal of printed layers from polyethylene inner bags.

Segmented coating application reduces material usage while maintaining reliable bag integrity.

Coordinated gripper and tool movements reduce cycle time by allowing the processing tool to close before the gripper fully removes from the film.

Folding one-piece soft packaging material eliminates heat-sealed ridge lines that broaden the bottom surface, stabilizing multiple bag displays.

Rotatable pressure rollers press opened bag bottoms against counter-layers during transport, securing folds while maintaining continuous production flow.

Thermal conductive, elastically deformable composite pressing members adapt to varying edge thicknesses to ensure complete welds in a single step.

Multi-layer film fold creates reinforced seams that resolve bottom seam rupture risks in gusseted bags.

A vertical bag-making machine forms double gussets and a spout through heat-welding folds.

M-shaped folding creates channels for thermally compatible tapes, eliminating separate string materials to simplify manufacturing and enable full recycling.

A segmented bag structure isolates granular detergent from an outer mechanical fastener to ensure a secure closure.