Donald Bruce Sorensen

Title: **Innovations by Donald Bruce Sorensen: A Pioneer in Extrusion Technology**

Introduction

Donald Bruce Sorensen, an accomplished inventor based in Scotia, NY, is known for his significant contributions to the field of extrusion technology. With a total of four patents to his name, he has developed innovative methods and apparatuses that enhance manufacturing processes and quality control in plastic sheet production.

Latest Patents

Among his recent inventions, two notable patents stand out:

1. **Method and Apparatus for Reducing Surface Defects** - This invention details a removal assembly and method designed to efficiently remove a submaster from a master. It features a curved tooling surface housed within the assembly, with a first array of vacuum cups that grip a first portion of the submaster, while a second array performs the same function on the opposite end. A rotation mechanism supports the master, allowing it to roll along the curved surface for effective removal.

2. **Closed Loop Control of Roll Speeds in Plastic Sheet Extrusion** - This patent introduces an advanced closed-loop speed control system that significantly reduces ripples in extruded plastic sheets. The system includes a roll speed sensor, a roll speed controller, and a roll drive, ensuring precise control over the speed of the active extruder roll by comparing actual and desired roll speeds.

Career Highlights

Donald has built his career at General Electric Company, where he has utilized his innovative spirit to drive advancements in manufacturing technologies. His work in extrusion technology has led to improvements in product quality and production efficiency.

Collaborations

Throughout his career, Donald has collaborated with notable colleagues such as Erwin Wenti Liang and Harland Lynn Hayden. Together, they have contributed to the development of cutting-edge technologies that have set new standards in manufacturing.

Conclusion

Donald Bruce Sorensen stands out as a prominent inventor whose work has significantly influenced the field of extrusion technology. His patents not only highlight his inventive capabilities but also his commitment to enhancing manufacturing methods. With a legacy of innovation, Sorensen's contributions continue to resonate within the industry, paving the way for future advancements in the field.