Roy A Langdon

Title: Roy A. Langdon: Innovator in Paper Processing Technology

Introduction

Roy A. Langdon is a notable inventor based in Beloit, WI (US), recognized for his contributions to the field of paper processing technology. With a total of 3 patents to his name, Langdon has developed innovative solutions that enhance the efficiency and effectiveness of paper winding and unwinding processes.

Latest Patents

One of Langdon's latest patents is the "Self-aligning core chuck." This invention is a chuck assembly designed for insertion into the core of a paper windup roll, ensuring uniform winding and unwinding. The assembly features a shaft aligned with the desired axis of rotation of the core, supported by bearing means for smooth rotation. Additionally, it includes a stub shaft of reduced diameter that fits within a chuck with an axial bore, allowing for limited relative movement. The chuck is equipped with a tapered wedge that fits tightly within the core, along with resilient spring means to accommodate the relative movement between the stub shaft and the larger diameter bore.

Another significant patent is the "Method and apparatus for silencing of webs." This invention addresses noise-causing vibrations in a tensioned web running over an arcuate guide surface area. By utilizing the Coanda effect, the design inhibits air splitting between the web and the guide bar. The invention incorporates spoiler means, which can be in the form of ribs, to provide surface in the tangential plane, effectively reducing noise during operation.

Career Highlights

Langdon has made significant strides in his career, particularly through his work at Beloit Corporation. His innovative patents have contributed to advancements in the paper industry, showcasing his expertise and commitment to improving manufacturing processes.

Collaborations

Throughout his career, Langdon has collaborated with notable coworkers, including Carl B. Dahl and Jere W. Crouse. These partnerships have fostered a creative environment that has led to the development of impactful inventions.

Conclusion

Roy A. Langdon's contributions to paper processing technology through his innovative patents demonstrate his dedication to enhancing industry practices. His work continues to influence the field, making him a significant figure in the realm of inventions.