wirtz

Wirtz Manufacturing Company, one of the leading suppliers of lead-acid battery manufacturing equipment, has had a U.S. patent granted that looks to make a considerable difference in the life of batteries using continuously manufactured positive grids and plates.

The patent, No 8,875,361, is for the method of improving the shape of the grid wires and the surface finish of the grid wires on all grids made by continuous processes including punched grids, expanded grids and continuously cast grids. A patent application has been filed with the European Patent Organization, which will apply for all of the E.P.O. countries.