Elwin L Rooy

Title: Elwin L Rooy: Innovator in Lithoplate Technology

Introduction

Elwin L Rooy is a notable inventor based in Pittsburgh, PA (US), recognized for his contributions to the field of lithoplate technology. With a total of 5 patents to his name, Rooy has made significant advancements in the manufacturing processes of lithoplates, particularly through innovative methods that enhance material properties.

Latest Patents

One of Rooy's latest patents is titled "Lithoplate and method for making same." This invention outlines an improved method of producing lithoplates from a 5XXX type alloy. The method emphasizes controlling the composition and casting practices to prevent the formation of a pine tree metal structure in the ingot used for rolling a workpiece into lithoplate. Additionally, it includes steps for homogenizing and hot rolling the ingot at a controlled initial temperature, which is crucial for achieving a desired grain and metal microstructure in the final sheet. This process is designed to ensure a surface with uniformly distributed craters, which are produced by an electrochemical graining method.

Career Highlights

Elwin L Rooy is currently associated with the Aluminum Company of America, where he applies his expertise in materials science and engineering. His work has been instrumental in advancing the production techniques of lithoplates, which are essential in various printing and imaging applications.

Collaborations

Throughout his career, Rooy has collaborated with several talented individuals, including Douglas A Granger and Gerald R Petrey. These collaborations have fostered a creative environment that has led to innovative solutions in the field of lithoplate manufacturing.

Conclusion

Elwin L Rooy's contributions to lithoplate technology exemplify the impact of innovation in manufacturing processes. His patents reflect a commitment to improving material properties and production efficiency, making him a significant figure in his field.