David A Passmore

Title: David A. Passmore: Innovator in Nipple Forming Technology

Introduction

David A. Passmore is a notable inventor based in Wayland, MI (US). He has made significant contributions to the field of engineering, particularly with his innovative patent related to tubular engine exhaust manifold bodies. His work has implications for manufacturing processes in the automotive industry.

Latest Patents

David A. Passmore holds a patent for a "Nipple forming apparatus." This invention focuses on the extension of nipple formation at acute angles on tubular engine exhaust manifold bodies for lap weld attachment of side runners. The patent details a process where an articulated or single-axis mandrel is inserted axially into the tubular body, with each mandrel portion designed for angular body portions. The apparatus utilizes precut oval-shaped holes in the body, and laterally extensible forming dies are aligned with these holes. The innovative design allows for the formation of cylindrical nipples through a series of actuators and rods, enhancing the efficiency of the manufacturing process.

Career Highlights

David A. Passmore is currently employed at Benteler Industries, Inc., where he applies his expertise in engineering and innovation. His work at Benteler has allowed him to develop and refine his inventions, contributing to advancements in manufacturing technology.

Collaborations

Throughout his career, David has collaborated with notable colleagues, including Donald R. Rigsby and James R. Dehlinger. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

David A. Passmore is a distinguished inventor whose work in nipple forming technology has made a significant impact on the automotive manufacturing industry. His innovative approaches and collaborations continue to drive advancements in engineering.