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30.09.2013 FFS packing of low-density powders

Concetti, Bastia Umbra, Italy, reports that it has recently achieved commercial success with its new fully automated FFS bag filling lines for light bulk density powders. Sales and marketing manager Riccardo Concetti points out that upgrading an old-style valve bagger to FFS technology allows bag shape and dimensions to be optimised, thereby producing significant improvements throughout the whole logistics chain, not to mention attractive cost savings. In a recent application these types of powder were previously packed into paper valve bags but after preliminary tests, Concetti proposed one of its Continua 600 tubular form-fill-seal machines with screw-fed gross weigher for 10-15kg bags. The packaging specialist has now implemented the use of special dosing augers to increase product density, enhance performance and optimise the bag dimensions. 

By using de-aeration lances to remove air from the product during and after filling, the Continua produces a more compact bag. Sack mouth cleaning helps to ensure a perfect seal and corner sealing can be added to further improve the finished bag shape. The machine is fitted with stainless steel material contact parts throughout. Filled and sealed bags pass through a flattening device and are then palletised by the Concetti PS-4A/3S-C single column robot palletiser or similar machine. www.concetti.com  
 
  
 
 
 
 
 
 
 
 
 
 
 
 
Continua FFA bagging line from Concetti and (right) FFS system with densifying auger

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