Thomas Patrick Kelmartin, Jr

Title: Thomas Patrick Kelmartin, Jr: Innovator in Polytetrafluoroethylene Fiber Technology

Introduction

Thomas Patrick Kelmartin, Jr. is a notable inventor based in West Chester, PA (US). He has made significant contributions to the field of materials science, particularly in the development of polytetrafluoroethylene (PTFE) fibers. With a total of 4 patents to his name, Kelmartin's work has implications for various industries, including dental care and engineering.

Latest Patents

One of Kelmartin's latest patents focuses on a PTFE fiber that is designed to be sewn at high speeds. This innovative fiber exhibits a toughness greater than about 0.36 grams per denier (g/d), with a preferred toughness range of about 0.50 to about 0.80 g/d. The fiber's peak engineering stress exceeds 1.6 g/d, and it has a break strain greater than 15.5 percent. The patent also outlines a process for manufacturing this fiber, which involves heating the PTFE fiber to temperatures between 300°C and 500°C while applying an overfeed of up to 70 percent. This PTFE fiber can be utilized as a filament for improved dental floss and is also suitable for enhanced bearing materials.

Career Highlights

Kelmartin is currently associated with Gore Enterprise Holdings, Inc., a company known for its innovative materials and technologies. His work at Gore has allowed him to push the boundaries of what is possible with PTFE fibers, contributing to advancements in both consumer and industrial applications.

Collaborations

Throughout his career, Kelmartin has collaborated with notable colleagues, including George M. Roberts and John W. Dolan. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Thomas Patrick Kelmartin, Jr. stands out as a key figure in the innovation of PTFE fiber technology. His contributions continue to influence various sectors, showcasing the importance of material science in modern applications.