Tampoprint: „A hot affair“

 Source: Tampoprint
„Openair®“ plasma in pad printing: the rotating plasma generator allows a pre-treatment width of about 45 mm
Tampoprint AG was tasked to develop and construct a pad-printing full-automatic for 5-colour printing (raster image printing) on “mint boxes” with an hourly production rate of 1800 parts.

In cooperation with our customer, a catalogue of requirements was made which, among others, contained the following points:

  • material PP
  • wetting of the surface of at least 72 mN/m (water wetting)
  • complete removal of the outwards diffusing mint oil
  • complete removal of dust particles on the surface
  • no damage of the work-piece’s surface
  • no damage of the contents (peppermint dragees)
  • integration feasibility into a full automatic
Very soon, it became obvious with these demands that no conventional physical pre-treatment method (gas or corona) could come to use here. After we had become aware through technical publications and our customer of Plasmatreat’s “Openair®” plasma method, everything went very fast, thanks to their professional support.
With the defined requirements, different test series were conducted and finally all criteria met. The installation has been working three shifts a day for years and to our customer’s greatest satisfaction.
This example is not an isolated case. Altogether we can state that the application of the “Openair®” plasma method in pad-printing automation can be judged positive on all sides.
Frank Nitschke
Sales Department / Technical Advice
Tampoprint AG


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