David J Dunn

Title: David J Dunn: Innovator in Punch Technology

Introduction

David J Dunn is a notable inventor based in St. Thomas, Canada. He has made significant contributions to the field of manufacturing through his innovative designs and methods. With a total of 2 patents to his name, Dunn has established himself as a key figure in the development of advanced punch technology.

Latest Patents

Dunn's latest patent is titled "Punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom." This invention features a punch that includes an end portion designed to pierce an entry hole and bend material around the entry hole to create a retained slug along the inner edge. The punch also has an enlarging portion that enters the entry hole after the end portion, allowing it to enlarge the hole by bending the slug and additional material towards the interior of the part. The design ensures that the punch has a length greater than the cross-section of the part, enabling it to punch an exit hole opposite the entry hole.

Career Highlights

David J Dunn is currently employed at Vari-form, Inc., where he continues to innovate and develop new technologies. His work has been instrumental in enhancing manufacturing processes and improving product quality.

Collaborations

Throughout his career, Dunn has collaborated with talented individuals such as Jose U Coelho and Martin L Bliss. These partnerships have contributed to the success of his projects and the advancement of technology in his field.

Conclusion

David J Dunn is a distinguished inventor whose work in punch technology has made a significant impact on manufacturing processes. His innovative patents and collaborations highlight his commitment to advancing the industry.