Carolina Material Technologies
Carolina Material Technologies - Bulk Material Handling Solutions
Charlotte, NC 704-846-3737

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Bulk Bag Systems Case Histories
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3Sigma Bag Handling Systems
Shape-It Bulk Bag Unloader

Bulk Bag Unloader Case History 3S-1223

An existing 3Sigma customer contacted us for a new in plant expansion.  This client, who works in the paper manufacturing industry, was looking to expand their production capacity. Client required both a bulk bag unloader and a bag dump station to empty materials.  NBE, Flexicon and 3Sigma were considered as viable suppliers.  3Sigma was awarded the project due to the dust tight design, heavy duty design and offering of an integrated, full sized bag dump station within the bulk bag unloader.

Customer Need:

  • An integrated, full size dust tight bag dump station.
  • A dust tight bulk bag unloading system that eliminates spills.
  • Product is very fine, free flowing and dusty.
  • Minimal maintenance expense, long term.


  • 3Sigma provides both a Massage-It™ and Shape-It™ bulk bag unloading systems.  Based upon the client’s product the Shape-It™ system was recommended and provided.
  • 3Sigma provided an innovative system that combines both a bulk bag unloader and a full sized bag dump station into one seamless system.
  • The Shape-It bulk bag unloader vertically shapes bulk bags for mass flow prior to opening.
  • The bulk bag is in continual contact with the oversized dish for maximum containment.
  • The bag is not physically moved to minimize seepage and leakage of materials
  • The discharge hopper transitions to a 4” dia. Valve.
Bulk Bag Unloader Bag Dump Station
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Bulk Bag Unloader - Bag Dump Station
  • Full sized bag dump allows bags
    up to 24” x 16” x 4” with clearance on each side.
  • Accessed by a hinged door that leads metal grate over the hopper
  • A dust valve is located in the Contain-It™ chamber. When either door is opened the valve opens to protect operators from nuisance dust.
Bulk Bag Unloader - Bag Dump Station Inside
Bulk Bag Unloader Tube-It within Contain-It Chamber
  • Tube-It™ discharge tube.  This is accessed from the opposite side, through chamber access door. 
  • The bulk spout is placed inside the Tube-it™ and when opened, expands, and forms a dust tight seal between the bulk bag and Tube-It™.   
  • Notice some product has spilled but it is contained within the oversize Contain-It™ chamber.

Tube-It™ within Contain-It™ Chamber

Better By Design
Made in America
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