Company Filing History:
Years Active: 1992
Title: John T Siemon, Jr: Innovator in High Friction Elastomer Formulations
Introduction
John T Siemon, Jr. is a notable inventor based in Pittsburgh, PA (US). He has made significant contributions to the field of elastomer formulations, particularly in the area of braking systems. His innovative work has led to the development of a unique high friction brake shoe formulation.
Latest Patents
John T Siemon, Jr. holds a patent for a very high friction elastomer formulation designed for use in static braking. This formulation boasts a high static friction coefficient in shear of about 1.5, while maintaining low adhesion to materials with microscopic pores. The formulation consists of a mixture of approximately 75 phr of neoprene W rubber and 25 phr of neoprene WHV rubber. The curing systems include a first system with about 1 phr of a fatty acid, 5 phr of ZnO, and 1-3 phr of MgO, along with a second system comprising 1.25 phr of sulfur and 0.6 phr of a sulfur accelerator. Additionally, about 50 phr of a reinforcing agent of N555 or N650 carbon black is included.
Career Highlights
John T Siemon, Jr. is currently associated with the United States of America as represented by the Secretary of the Air Force. His work has been instrumental in advancing the technology behind braking systems, showcasing his expertise in material science and engineering.
Collaborations
One of his notable collaborators is Joseph F Meier, with whom he has worked on various projects related to elastomer formulations and their applications in braking systems.
Conclusion
John T Siemon, Jr. is a distinguished inventor whose contributions to high friction elastomer formulations have made a significant impact in the field of braking technology. His innovative patent reflects his dedication to enhancing safety and performance in braking systems.