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Theysohn Extrusionstechnik
Chronicle Part 3 – International Expansion, Technological Milestones & Strategic Shifts
Between 1985 and 2000, Theysohn continued to grow dynamically, driven by bold decisions and cutting-edge innovation.
A major turning point came with the entry into co-rotating twin-screw extruder technology in 1986. The launch of the TSK series and the presentation of the TSK 045 at the K Trade Fair in Düsseldorf marked a key technological milestone. In 1987, Theysohn Holding acquired 100% of American Maplan Corporation (AMC), specializing the Salzgitter plant for the production of counter-rotating twin-screw extruders.
In 1988, Topf Kunststofftechnik became part of the Theysohn Group and relocated to Kirchdorf, Austria. The 1992 acquisition by VGT Industrie AG brought additional momentum, adding PVC window manufacturer Plus Plan (Germany and UK) to the group.
The 1990s were a period of strategic transformation. In 1994, AMC and its bimetallic technology were sold. By 1999, Topf Kunststofftechnik became a 100% subsidiary, and the company founded Vinyl Extrusion Technologies in Fort Worth, Texas.
In 2000, Theysohn exited its injection molding operations in Salzgitter and Langenhagen, as well as its involvement with INOEX – a clear shift toward a focused extrusion technology strategy.
Discover the full chronicle here:
Timeline - Theysohn Extrusion
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Theysohn Extrusionstechnik
Theysohn Extrusionstechnik
Theysohn Extrusionstechnik at K 2025 – Shaping a Sustainable Future
Theysohn Extrusionstechnik at K 2025 – Shaping a Sustainable Future
At K 2025 in Düsseldorf, sustainability takes centre stage – and for Theysohn Extrusionstechnik, it is more than just a trend. Based in Salzgitter, Germany, Theysohn is a leading provider of high-performance extrusion technology, combining decades of engineering expertise with a strong commitment to environmental responsibility.
Our contribution to a more sustainable plastics industry is driven by innovation. We focus on energy-efficient extrusion lines, durable components, and smart process technologies that reduce resource consumption, lower emissions, and extend product life cycles. Whether it's the optimization of energy use through intelligent drive systems or our dedication to enabling circular economy solutions through better material processing – sustainability is built into every aspect of our machines.
Recycling, circular economy, and climate protection are not just key topics at the K show – they are central to our mission. As a partner to our global customers, we support their transition to more sustainable production practices, offering tailor-made solutions that meet both performance and ecological goals.
Visit us at K 2025 in Düsseldorf booth 16D21 and discover how Theysohn Extrusionstechnik is shaping the future of plastics – responsibly, efficiently, and sustainably.
K2025 Theysohn Extrusion sustainability
Theysohn Extrusionstechnik
Milestones of Progress – Part 2 of Our Anniversary Chronicle
Milestones of Progress – Part 2 of Our Anniversary Chronicle
In the second part of our journey through Theysohn’s history, we look at how change has shaped our identity. Over the years, we have embraced new technologies, entered new markets, and continually adapted to evolving customer needs.
From the digital transformation of our production processes to the development of sustainable materials and energy-efficient systems – our path has always been guided by innovation, quality, and a long-term perspective.
Looking back, moving forward.
While we are proud of our past, we remain focused on the future: investing in research, empowering our teams, and expanding our global footprint. Because 80 years of experience are not just a legacy – they are a foundation for what's to come.
Discover the full chronicle now at:
👉 Timeline - Theysohn Extrusion
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