Ewald A Oppmann

Title: Ewald A. Oppmann: Innovator in Spool Assembly Technology

Introduction

Ewald A. Oppmann is a notable inventor based in Belvidere, Illinois, known for his contributions to spool assembly technology. With a total of four patents to his name, Oppmann has made significant advancements in the design and assembly of both metal and wooden spools, enhancing their functionality and efficiency.

Latest Patents

Oppmann's most recent patents include innovations in the assembly of high torque capacity spools. One significant patent describes a die and method for assembling a metal spool that boasts high torque transmitting capacity between its components. This design features a cylindrical barrel, a pair of flanges, and flange hubs. The die mechanism includes a support member and a curling member that moves relative to the support housing, facilitating the pressing of the spool components together. Each curling member is designed with an annular curling face that curls and compresses the metal edges, securing the cylindrical barrel, flanges, and flange hubs tightly. Further enhancements involve the formation of detents within the metal spool, significantly improving torque transfer and making it more applicable for wire winding and pulling functions. Additionally, a flattening paste is applied to increase the coefficient of friction, further increasing the spool’s torque transmissibility.

Another noteworthy patent focuses on a wooden spool held together with a unique tie rod assembly. This design introduces elongate tie rods featuring bent or deformed ends, complemented by grooveless retaining rings. This assembly allows for efficient assembly between dies, where the retained and secure structure enhances the spool's robustness.

Career Highlights

Ewald Oppmann is currently affiliated with J.L. Clark, Inc., where he has developed his innovative spool assembly technologies. His patents reflect his dedication to enhancing industrial packaging solutions and improving operational efficiency in various applications.

Collaborations

Oppmann has collaborated with esteemed colleagues Richard L. Peterson and Walter P. Pietruch, working alongside them to advance spool assembly techniques further and contribute to the collective expertise within the industry.

Conclusion

Ewald A. Oppmann's inventive spirit and technical prowess have made a lasting impact in the field of spool manufacturing. With his innovative designs and patents, he continues to push the boundaries of what is possible in spool assembly technology, making him a significant figure in the realm of engineering and innovation.