Douglas N Woodruff

Title: Innovations of Douglas N. Woodruff

Introduction

Douglas N. Woodruff is an accomplished inventor based in Cincinnati, OH. He has made significant contributions to the field of printing technology, particularly with his innovative designs that enhance the efficiency of rotary printing presses. His work has led to the development of a unique patent that addresses specific challenges in the printing industry.

Latest Patents

Woodruff holds a patent for a "Rotary print head module and impression bar." This invention is a portable print head module dedicated to a specific type of printing, such as rotary screen printing. It is designed to functionally replace one print head with another type, for example, flexographic printing, in a rotary printing press that has multiple spaced apart print head stations. The rotary print head module can be installed by partially retrofitting one of the print head stations, allowing for flexibility in the printing process. Additionally, a non-rotating impression bar can be utilized to back the continuous web instead of a rotatable impression cylinder, creating a cushion of air on the backing face of the impression bar for the continuous web to ride on.

Career Highlights

Woodruff's career is marked by his dedication to advancing printing technology. He has worked with Comco Machinery, Inc., where he has collaborated with other talented professionals in the field. His innovative approach has not only improved existing technologies but has also paved the way for new methods in printing.

Collaborations

Some of his notable coworkers include Joseph C. Drilling and George W. Reinke. Their collective expertise has contributed to the success of various projects within the company.

Conclusion

Douglas N. Woodruff's contributions to the printing industry through his innovative patent demonstrate his commitment to enhancing technology in this field. His work continues to influence the way printing processes are approached and executed.