Technical article on long-neck tube filling in “Pharma+Food”

Our TU91PE DK: Safe Handling of Long-Neck Tubes

In pharmaceutical filling, specialized container shapes are becoming increasingly important. Long-neck tubes in particular—such as those used for specific rectal applications—pose unique challenges for filling and packaging systems.

We are very pleased that the renowned industry magazine Pharma+Food has dedicated an entire article to our specialized solution!

This article highlights how our TU91PE DK handles precisely these challenging geometries while combining the highest dosing accuracy with maximum system efficiency.

The Challenge: Intricate Geometries & Strict Hygiene Requirements

The unique tube shape is characterized by its long, slender cannula tip. For automated processing, this means:

  • Precise Handling: Despite their top-heaviness and elongated shape, the tubes must be conveyed, aligned, and secured with absolute stability.
  • Precise Dosing: The dosing head must be inserted deeply and precisely to prevent product from breaking off at the long tube neck and to avoid contamination in the sealing area.
  • Minimal downtime: Conventional seals in the dosing system are prone to wear when handling abrasive or high-viscosity media, which causes regular maintenance shutdowns.


You can find the full article directly on Pharma+Food:

Our product video offers a direct look at the motion sequences, the handling of the long-neck tubes, and the smooth operation of the machine:

Your team at
, Gustav Obermeyer

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