David Dwain Rishel

Title: David Dwain Rishel: Innovator in Bonding Technologies

Introduction

David Dwain Rishel is a notable inventor based in Smithville, TX (US). He has made significant contributions to the field of bonding technologies, holding a total of 5 patents. His work focuses on innovative methods and tools that enhance the bonding processes of complex structures.

Latest Patents

One of Rishel's latest patents is a tool and method for bonding layers of a metallic axisymmetric structure having complex curvatures. This invention involves a tool designed to bond layers of a shell using the differential pressure bonding process. The tool comprises a plurality of separable mandrel segments that form a mandrel with a longitudinal axis, an outer surface, an upper end, and at least one continuous inner surface. The inner surface is shaped to have a complex curvature, which is essential for the bonding process. Additionally, the tool includes a retort that partially shrouds the outer surface and upper end of the hollow body, featuring at least one vacuum port. This innovative design facilitates the compression of multiple layers of a multi-layer shell as they are heated to an elevated bonding temperature, ensuring a strong and effective bond.

Career Highlights

David Rishel is currently employed at Rohr, Inc., where he continues to develop and refine his innovative bonding technologies. His expertise in this area has positioned him as a key figure in advancing the capabilities of bonding processes in various applications.

Collaborations

Throughout his career, Rishel has collaborated with talented individuals such as Thomas Sommer and Mark Alan Ramsey. These partnerships have contributed to the development of his innovative tools and methods.

Conclusion

David Dwain Rishel is a prominent inventor whose work in bonding technologies has led to significant advancements in the field. His innovative patents and collaborations reflect his commitment to enhancing bonding processes for complex structures.