Company Filing History:
Years Active: 1986
Title: Innovations in Blown Film Extrusion by Laurence E Dowd
Introduction
Laurence E Dowd is an accomplished inventor based in Arlington Heights, Illinois. He has made significant contributions to the field of polymer processing, particularly in the area of blown film extrusion. His innovative methods have advanced the efficiency and quality of polyolefin films.
Latest Patents
Dowd holds a patent for a method of blown film extrusion of polyolefins that features high elongational viscosity independent of applied stress and high melt strength. This patent describes a unique configuration involving two air rings. The first air ring is positioned adjacent to the extrusion die to aid in the formation and stability of a stalk bubble configuration. The second air ring is located downstream to assist in the controlled expansion of the bubble at a point where the bubble has lost its melt elasticity.
Career Highlights
Laurence E Dowd is associated with Norchem, Inc., where he applies his expertise in polymer processing. His work has been instrumental in developing advanced techniques that enhance the production of blown films. His innovative approach has garnered attention in the industry, showcasing his commitment to improving manufacturing processes.
Conclusion
Laurence E Dowd's contributions to blown film extrusion represent a significant advancement in polymer technology. His innovative methods continue to influence the industry, demonstrating the importance of creativity and technical expertise in driving progress.