Location History:
- Neenah, WI (US) (1977)
- Wittenburg, WI (US) (1983)
- Wittenberg, WI (US) (1981 - 1988)
Company Filing History:
Years Active: 1977-1988
Title: Innovations of David W. Appel: A Highlight of Patents and Contributions
Introduction
David W. Appel, based in Wittenberg, Wisconsin, is a prolific inventor with a remarkable portfolio of six patents. His work primarily focuses on advancements in the field of nonwoven fabric manufacturing, contributing significantly to both his company and the industry as a whole.
Latest Patents
Among his notable inventions is the "Slotted melt-blown die head." This innovative die head features a single continuous slot opening that runs its length, replacing multiple individual orifices. The design includes aerodynamically shaped bosses within the fluid delivery channels that enhance performance by supporting the die tip and improving material flow. This design also incorporates debris-collecting reservoirs, facilitating easier maintenance without the need to remove the die head from the machine.
Another significant patent by Appel is the "Apparatus for forming nonwoven webs." This invention presents an enhanced method for creating nonwoven webs by spinning filaments into a quench chamber, where they interact with a quenching fluid. This process allows for low motive fluid pressures and minimizes air turbulence, thereby reducing filament breakage and promoting consistent filament distribution. Ultimately, this innovative apparatus leads to increased productivity and improved web formation, while also mitigating hazards linked to high noise levels.
Career Highlights
David W. Appel is recognized for his long-standing affiliation with Kimberly-Clark Corporation, a key player in the consumer goods industry. His contributions have brought about significant improvements in product manufacturing processes and have positioned the company at the forefront of innovation in nonwoven materials.
Collaborations
Throughout his career, Appel has collaborated with talented coworkers, including Michael Tod Morman and Raymond Chung. Their combined expertise and innovative ideas have led to the development of numerous advancements within their field.
Conclusion
In summary, David W. Appel's contributions to the world of inventions, particularly in nonwoven fabric technologies, highlight his importance as an inventor. With six patents to his name, his work continues to influence manufacturing processes and improve product quality, showcasing the impact of innovative thinking in industrial applications.