Dale D Leanna

Title: Innovations by Dale D. Leanna

Introduction

Dale D. Leanna is a notable inventor based in Little Suamico, Wisconsin, recognized for her contributions to the field of coating technologies. With a total of 7 patents to her name, she has made significant advancements in the methods and apparatuses used in web coating and printing processes.

Latest Patents

Among her latest innovations is a web coating method and apparatus. This invention features a coater that includes an impression cylinder and a gravure cylinder, both rotatably mounted. The design incorporates a first pivot arm unit that pivots on the impression cylinder shaft, supporting a pivot shaft. The depending pivot arms on the shaft support an offset cylinder positioned to one side of the impression cylinder and above the gravure cylinder. The nip adjustment units for the pivot arm unit and the depending pivot arms utilize a pre-loaded ball bearing lead screw coupled to a slide housing, along with a separate power cylinder connected to the pivot unit and pivot arms. This configuration allows for precise control of the nip setting and coating thickness, ensuring high-quality application of coatings to the web.

Another significant patent is her multi-color rotary press. In this invention, ink nozzles apply different colored inks to various sections of an inking cylinder. The design allows for easy color changes, with each compartment of the ink pan featuring multiple readily closeable drain outlets leading to different ink reservoirs. This innovative approach streamlines the printing process and enhances efficiency.

Career Highlights

Dale D. Leanna has built a successful career at Magna-Graphics Corporation, where she has been instrumental in developing advanced printing technologies. Her work has not only contributed to the company's success but has also influenced the broader industry.

Collaborations

Throughout her career, Dale has collaborated with talented individuals such as Allen R. Jorgensen and Eugene W. Wittkopf. These partnerships have fostered innovation and creativity in her projects.

Conclusion

Dale D. Leanna's contributions to the field of coating technologies and printing processes exemplify her innovative spirit and dedication to advancing industry standards. Her patents reflect a commitment to improving efficiency and quality in manufacturing processes.