John Duffy

Title: Innovations of John Duffy in Co-Injection Molding

Introduction

John Duffy is an accomplished inventor based in Wenham, MA (US), known for his significant contributions to the field of co-injection molding. With a total of two patents to his name, Duffy has made strides in developing methods that enhance the efficiency and quality of multi-layer polymeric articles.

Latest Patents

Duffy's latest patents focus on individual cavity flow control methods and systems for co-injection molding. These innovations involve co-extruding multiple polymeric material flow streams into a mold with several cavities. The goal is to produce multi-layer polymeric articles that maintain consistent coverage of an interior core layer. In his methods, the flow rate of a first skin material is individually controlled for each cavity before the initiation of co-injection of a second core material. This approach addresses the issue of inconsistent interior core layer coverage for articles produced from different cavities.

Career Highlights

Duffy is currently associated with Milacron Inc., a company renowned for its advanced manufacturing technologies. His work at Milacron has allowed him to apply his innovative ideas in practical settings, contributing to the company's reputation in the industry.

Collaborations

Duffy collaborates with Scott Hickey, a fellow professional in the field. Their partnership exemplifies the importance of teamwork in driving innovation and achieving successful outcomes in their projects.

Conclusion

John Duffy's contributions to co-injection molding through his patents and work at Milacron Inc. highlight his role as a key innovator in the industry. His methods for improving the consistency of multi-layer polymeric articles are paving the way for advancements in manufacturing processes.