Lloyd G Dunn

Title: The Innovative Contributions of Lloyd G. Dunn

Introduction

Lloyd G. Dunn is a notable inventor based in Richmond, Indiana, recognized for his contributions to the field of plastic closures. With a total of 2 patents, Dunn has made significant advancements in the design and functionality of closures for various containers.

Latest Patents

Dunn's latest patents include a "Linerless Plastic Closure" and a "Linerless Closure for Pressurized Containers." The Linerless Plastic Closure features an integral sealing mechanism formed by a resiliently deflectable V-shaped wall section. This design ensures a secure seal against the upwardly facing sealing surface of a container. Additionally, the closure incorporates a stop member that engages the container mouth during application, preventing excessive axial travel. To enhance usability, the closure may also include a paraffin or wax lubricant to reduce the torque required for sealing.

The Linerless Closure for Pressurized Containers is specifically designed for sealing carbonated beverages. This innovative closure utilizes a plug configuration that expands under pressure, achieved through a disc spring washer connected to the top of the closure. This design increases the pressure of the seal against the bottle mouth, ensuring a reliable seal. Furthermore, the closure features a slot through the threads, allowing for rapid gas escape during removal, thereby minimizing the risk of dangerous blow-off.

Career Highlights

Lloyd G. Dunn is associated with the Aluminum Company of America, where he has applied his inventive skills to develop practical solutions in the packaging industry. His work has contributed to enhancing the safety and efficiency of container closures.

Collaborations

Dunn has collaborated with notable coworkers such as Elmer E. Pohlenz and Wilburn C. Willis, further enriching the innovative environment in which he works.

Conclusion

Lloyd G. Dunn's inventive contributions, particularly in the realm of plastic closures, demonstrate his commitment to innovation and safety in packaging. His patents reflect a deep understanding of both functionality and user experience, marking him as a significant figure in his field.