Company Filing History:
Years Active: 2008-2016
Title: Willi Doehmen: Innovator in Plastic Production Technology
Introduction
Willi Doehmen is a notable inventor based in Moenchengladbach, Germany. He has made significant contributions to the field of plastic production technology, holding 2 patents that showcase his innovative approaches.
Latest Patents
Doehmen's latest patents include a method for producing a plastic article and an extrusion head for the production of a tubular multilayer preform. The method for producing a plastic article involves extruding an approximately tubular blank from an extrudate and shaping it into a hollow body inside a blow-mold using differential pressure. This process allows for the introduction of at least one insertable part into the interior of the partially molded plastic article before it is fully shaped. The tubular blank is arranged between at least two halves of a blow-mold by means of an intermediate frame. His extrusion head patent features at least two feed paths for feeding plasticized plastic material from one or more extruders to an annular passage arrangement, which includes mutually concentric annular passages forming separate flow paths for the various layers of the preform.
Career Highlights
Willi Doehmen has established himself as a key figure in the plastic manufacturing industry through his work at Kautex Maschinenbau GmbH. His innovative methods and designs have contributed to advancements in the production of plastic articles, enhancing efficiency and quality in manufacturing processes.
Collaborations
Doehmen has collaborated with notable coworkers such as Rene Vanmarcke and Thilo Schmidt, further enriching his work environment and fostering innovation within his team.
Conclusion
Willi Doehmen's contributions to plastic production technology through his patents and career at Kautex Maschinenbau GmbH highlight his role as an influential inventor in the industry. His innovative methods continue to shape the future of plastic manufacturing.