AC Resistance Seam Welders are used to complete AC Resistance welds. These would include both spot welds and seam welds. Ideal for creating a continuous seam weld, foil welding, Pouch cell welding, and mesh or screen welding. The primary applications include the creation of hermetic seal with a pouch or package. Additionally, AC Resistance seam welders create and build filter assemblies, filter bodies, and attaching mesh screen to a strainer basket. Additional applications include filter baskets, battery cells, and any metal filter or screen.