Patent 11261857 was granted and assigned to Blue-White Industries on March, 2022 by the United States Patent and Trademark Office.
Described is a method for manufacturing a diaphragm assembly through the use of injection molding. The method can avoid the use of PTFE as a chemically resistant coating. Further, the method can increase overall adherence of a polymer diaphragm to an insert through the use of an interference surface on at least the surface of a head of the insert.