John F Coulahan

Title: John F Coulahan: Innovator in Cold Welding Technology

Introduction

John F Coulahan is a notable inventor based in Bridgewater, NJ (US). He has made significant contributions to the field of welding technology, particularly through his innovative patent related to cold welded joints. His work has implications for various industries, enhancing the efficiency and reliability of connections between conductors and pipes.

Latest Patents

Coulahan holds a patent for a method and apparatus for forming a cold weld joint. This invention involves a sleeve designed to receive the ends of conductors or pipes. The sleeve is equipped with weld pads that engage one of the conductors when cooled, achieving a cold weld through shrink fit forces. The design includes serrations to provide axial strength and limit the plastic flow of the pad material. Additionally, a second conductor is loosely telescoped within the sleeve by bellows, allowing for compensation of any misalignment during initial assembly. The bellows is later reinforced with backing material to create a rigid connection to the sleeve.

Career Highlights

Coulahan is associated with General Dynamics Corporation, specifically within the Convair Division. His role in this esteemed organization has allowed him to develop and refine his innovative ideas, contributing to advancements in welding technology.

Collaborations

Coulahan has worked alongside Donald D Stenger, collaborating on projects that leverage their combined expertise in engineering and technology.

Conclusion

John F Coulahan's contributions to cold welding technology exemplify the impact of innovation in engineering. His patent not only showcases his inventive spirit but also enhances the functionality of welded joints in various applications.