David J Fink

Title: **David J. Fink: Innovator in Shot Peening and Tube Removal Technologies**

Introduction

David J. Fink, an accomplished inventor based in Greentree, Pennsylvania, has made significant contributions to engineering with a focus on shot peening and efficient methods for removing metallic plugs. With a total of seven patents to his name, Fink has established himself as a key figure in the field of industrial technology.

Latest Patents

One of his latest innovations is the "Closed system and method for shot peening adjacently located tubes." This system is designed for peening the tubes of steam generators by continuously generating a shot stream and withdrawing the dispensing nozzle into a vacuum chamber. The system incorporates a load tank to recycle the shot, ensuring that the process is both efficient and environmentally friendly. The independent regulation of pressure in the feed tank and the compressed gas enhances the adaptability of the equipment to different operational needs.

Another notable patent is the "Tool for removing a metallic plug from a tube." This innovative method involves applying a static pull force combined with repetitive impulses to effectively remove a metal plug from a conduit. This technique is particularly beneficial for heat exchanger tubes in nuclear-powered steam generators. The accompanying tool consists of hydraulic actuators and an air impact tool designed for precision and ease of use during the plug removal process.

Career Highlights

David J. Fink's innovative spirit materialized during his tenure at Westinghouse Electric Corporation. His work embodies the intersection of creativity and practicality in engineering solutions, particularly in nuclear technology. His contributions have strengthened both safety and efficiency in performing maintenance operations within the industry.

Collaborations

Throughout his career, Fink has collaborated with notable professionals such as James W. Everett and Annette M. Costlow. These partnerships have fostered a collaborative approach to innovation, allowing their combined expertise to enhance the development and implementation of new technologies within their field.

Conclusion

David J. Fink continues to inspire with his relentless pursuit of invention and improvement in industrial processes. With several patents that pave the way for advancements in shot peening and plug removal, his contributions to engineering exemplify the impact that dedicated inventors can have on their industry. His work not only serves practical purposes but also contributes to broader advancements in technology and safety standards.