About us

BAK is one of the leading manufacturer of plastic welding equipments, Extruders, Heaters and Blowers. We are the solution for Plastic Fabrication, Print- and Packaging, Pipe construction, Roofing, Civil Engineering, Tunneling, Process Heat, Tarpaulins, Flooring and much more. BAK is a Swiss bases Company with there own production-, development and Warehouse facilities in Switzerland and Germany. We has in more than 30 countries sales and service centres. Therefore BAK AG can reach their customers quick and competent on the spot.

We are offering a wide range of machines and accessories:

  • Hot air tool (hand held)
  • Wedge welding machines
  • Hand extrusion welder
  • Industrial heaters
  • Heating- & Folding machines
  • Hot air welding machines
  • Hot air blowers
  • Industrial extruders
  • Industrial blowers
  • Test equipments

  • History of BAK

    1997    BAK AG established in Arbon, Switzerland

    1998    Internatinal business for selling plastic welding equipments an machines established

    1999    Opened a new office in Chiasso, Tessin

    2003    Moving the head office to Kaegiswil, Switzerland

    2006    Ended business connections with the company Leister 

                Began the development and production of BAK machines

                Established a business partnership with the company Herz, Germany

                Founded a manufacturing facility in Alpnach, Switzerland

    2008    Founded BAK Asia CO Ltd, Thailand

    2010    Established part ownership of Dohle Extrusionstechnik GmbH, Germany

    2011    Completed new building and moved all operations into the new head office and manufacturing facility in Kerns, Switzerland