The Duravant family of operating companies serve the food processing, packaging and material handling segments.
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Closing pouch systems

Mespack offers a wide variety of closure systems for the flexible pouches. Our objetctive is to provide complete and customized packaging solutions according to the needs of our customers and the market.

Zipper

The zipper applicator system is composed of:

  • Zipper unwinder with independent motor
  • Detector of zipper reel end
  • Entry guides about the pouch forming triangle
  • Independent frame
  • Camshaft attached to the main shaft of the machine with a flexible coupling
  • Automatic lubrication system
  • Guides for the zipper (these guides can be adjusted in the sealing station to fit the pouch dimensions)
  • Sealing jaw for sealing the zipper in the pouch
  • Cooling plate for zipper sealing
  • System to open the zipper allows the pouch to be opened and filled with the product
  • Special jaws to laminate the zipper in order to make it flat and guarantee an efficient vertical sealing
  • Zipper closure system

Corner Spout

The edge cap applicator is composed of:

  • Special cutting system with scrap extractor to cut off the corner of the pouch in preparation for the insertion of the spout
  • Vibratory bowls with independent channels connected to a step-by-step feeding system
  • High precision spout introduction system
  • Valve positioner
  • Special sealing system for corner spouts
  • Special top sealing system adapted to the pouch format
  • Special opening system for pouches with corner spout
  • Pouch opening detector at the station of spout insertion
  • Spout detector
  • Walking beams with special grippers adapted to the pouch with corner spout
  • The customer will have to indicate brand, model, and reference of the cap

Top Spout

The top cap applicator is composed of:

  • Vibratory bowls with independent channels connected to a step-by-step feeding system
  • High precision spout introduction system
  • Spout positioner
  • Special sealing system for top spouts
  • Special top sealing system adapted to the pouch format
  • Pouch opening detector at the station of spout insertion
  • Spout detector
  • Walking beams with special grippers adapted to the pouch with top spout
  • The Customer will have to indicate brand, model, and reference of the cap

Frontal Spout

The ultrasonic front cap application system is located in the unwinder. The cap is applied while the film is flat, prior to pouch formation. This system is composed of:

  • Vibratory feeding system for front spouts (the feeder can be easily adjusted to suit each pouch format)
  • A special film pulling system consisting of a group of servo motorized rollers synchronized with a photocell to ensure the correct position of the cap
  • A hole punching device to make the hole where the plug will be sealed (the device can be easily adjusted for a format change)
  • A spout applicator aligned with the hole punching device, to correctly accommodate the cap
  • A group of ultrasonic sealing system to weld the cap to the film (the use of an ultrasonic system guarantees the absence of leaks)
  • Front spout detector that sends a signal not to fill the envelope in case the spout is improperly placed (occurs after synchronization with the dosing system)
  • The Customer will have to indicate brand, model, and reference of the cap.

Straw Application

The straw feeding system consists of a frame with independent protections. In this structure, there is a special hopper for straws that is connected to a step by step system, which guides the straw to the introduction funnel.
Once the straw is introduced, a special jaw makes a small welding point to fix the straw inside the pouch and prevent it from floating during the filling of the product, thus avoiding problems in the top seal.
This system includes an automatic correction device to insert the straw correctly into the pouch, and allows for a rapid adjustment, in case a format change is required.

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CORPORATE HEADQUARTERS
C/ Mar Adriàtic, 18
Pol. Ind. Torre Del Rector
08130 Santa Perpetua De Mogoda
Barcelona – Spain
info@mespack.com

(+34) 902 180 520 / (+34) 935 747 227

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