Poly Bagmaker inserter Flexim-31

The poly Bagmaker inserter Flexim-31 makes made-to-measure bags from a roll of polyethylene film and automatically inserts the bags into different types of containers: cardboard boxes, crates, trays, tins, pails or styrofoam cases. The Flexim-31 is standard equipped with fully automatic format change.

This Bag inserting machine is a perfect solution to minimize your bag cost and maximize your productivity. Starting from a parent film roll, you obtain the best price per bag. Discover more and be convinced.

Combine the Flexim-31 Bag-in-box inserter with a Pattyn case erector, weigh filler, bag closer and case closer to profit from a fully automated bulk packaging line.

  • Benefits
  • Technical specifications
  • Containers
  • Consumables
  • Options


Minimize your bag cost

  • Save up to 30% with made-to-measure bags from a reel, compared to preformed bags.
  • You need less film thanks to the perfectly controlled bag insertion.
  • Polyethylene film starting from 10 µm.

High performance & trouble-free production

  • Inserting up to 20 c/min.
  • Up to 4000 bags on one reel of PE-film for higher autonomy.
  • Elimination of operator mistakes thanks to the fully automatic format change.
  • Quick and ergonomic film roll exchange from the operator side.

Technical specifications

Bagmaking & failsafe bag opening

  • Converting rolls of polyethylene film into made-to-measure bags.
  • Impulse sealing for a controlled, clean and leakproof seal.
  • Use of mechanical grippers instead of delicate vacuum cups for failsafe bag opening.

Perfectly controlled bag insertion

  • Case flap holders for perfect case flap positioning.
  • Spoons with integrated air nozzle for gentle uncuffing of the film.
  • Smart box lift for vertical box positioning.

Use of stepper motor technology

  • High speed.
  • Self resolving.


  • Standard 14 c/min.
  • Up to 20 c/min.



Container specifications (outside dimensions in mm)

Multi or mono footprint (L x W) with variable case heights

  • Min. L.300 x W.200 // D.100
  • Max. L.800 x W.500 // D.650

For other dimensions, please contact us.

Film specifications

  • Tubular polyethylene film with gussets (side folds)
  • Film thickness: as from 10 µm
  • Autonomy of +/- 3000 bags / roll (60 kg rolls)
  • Film roll loading: 60 sec


  • Fast machine: speed above 14 to 20 c/min.
  • Advanced stainless steel execution.
  • Film roll trolley.
  • Mechanical / visual bag-in-box detection.
  • Random case height modus.
  • Thermo transfer printer for real time printing on bags to identify and trace your product.
  • Cross seal unit to provide leakproof block bottom bags.
  • Integrated flaps down mechanism.
  • One line of sealing, two active sides of sealing wire.
  • Integrated air plunger for improved bag positioning.
  • Access point for remote support.

For other options, please contact Pattyn.