System for inline degassing of composite materials

At JEC World 2025, Paris, Cannon Legos, a company of the Cannon Group, showcases an innovative, fully automatic system for the in-line vacuum degassing of resins for the production of large composite components using vacuum infusion, RTM and pultrusion. The new system combines a compact design and footprint, offering high output and significantly reduced processing times.

At present, degassing technologies are mainly operated off-line in batches with low throughput and long processing times. Although some existing technologies are already aimed at in-line processes, these tend to have limited output. To bypass this, some suppliers will offer more than one unit to cover higher volumes. The innovative solution from CANNON Legos drastically reduces the overall degassing time, processing one cubic meter intermediate bulk container (IBC) in less than 10 minutes. This solution enhances efficiency and ensures an optimized footprint, even at the high output rates. Moreover, a single Cannon unit can replace several existing modules, allowing customers full integration in production processes thereby saving operating costs, time and space. Several major wind turbine manufacturers have already indicated their interest in our innovative system in response to their need for a significant increase in the volumes of chemicals needed for wind blades production.

The new in-line degassing technology is not only well suited to produce large wind turbine blades, it can also be utilized in other production processes where the presence of air or gas bubbles in chemicals needs to be minimized in order to improve the integrity of the final product, such as structural parts for the automotive industry, aerospace applications or battery trays.