Leonard L Ervin

Title: The Innovative Contributions of Leonard L. Ervin

Introduction

Leonard L. Ervin is a notable inventor based in Whitehall, MI (US), recognized for his contributions to the field of die casting. With a total of 3 patents to his name, Ervin has made significant advancements in manufacturing processes that enhance product quality and efficiency.

Latest Patents

One of Ervin's latest patents is focused on a die casting method and apparatus for creating cast product shapes. This innovative technique involves introducing molten metallic material into a shot sleeve, which is closed by a movable closure member. The molten material is then forced by a plunger to the closed end of the shot sleeve, where it is maintained under pressure until it partially solidifies, forming a cast product that matches the inner shape of the sleeve. The closure member is then moved to open the shot sleeve, allowing the plunger to eject the finished product. Another significant patent by Ervin is for a permanent mold designed for casting reactive melts. This invention includes titanium melt inlet-forming members that work with steel mold components to create a melt ingate, preventing harmful iron contamination during the casting process. The mold's volume ratio is carefully controlled to minimize surface defects and wear.

Career Highlights

Throughout his career, Leonard L. Ervin has worked with prominent companies such as Howmet Corporation and Howmet Research Corporation. His experience in these organizations has contributed to his expertise in die casting and mold design.

Collaborations

Ervin has collaborated with notable coworkers, including Gregory N. Colvin and Robert F. Johnson, further enhancing his innovative work in the field.

Conclusion

Leonard L. Ervin's contributions to die casting technology demonstrate his commitment to innovation and excellence in manufacturing processes. His patents reflect a deep understanding of material science and engineering, making him a valuable figure in the industry.