Dennis R Spina

Title: The Innovations of Dennis R. Spina

Introduction

Dennis R. Spina, an accomplished inventor based in Onsted, Michigan, has made significant contributions to the field of plastic molding technologies. With a total of four patents to his name, he has developed innovative solutions that are beneficial to various manufacturing processes.

Latest Patents

Among his latest inventions is an "Extrusion Head for Blow Molding," which features a unique design for extruding polymers into parisons for blow molding. This invention is characterized by a die ring and a mandrel, both including frustoconical portions. The design allows for an ovalized annular outlet and a strategically shaped recess, facilitating controlled extrusion of the parison with a predetermined area of increased thickness.

Another notable patent is the "Compression Molding and Trimming Blow Pin Assembly." This method and apparatus produce hollow articles that comprise both blow molded and compression molded sections. The process involves extruding plastic over a blow pin assembly to create a parison, which is then shaped using a male mold member and a cutting member for precise molding and trimming.

Career Highlights

Dennis has showcased his talents while working at Hoover Universal, Inc., a company that specializes in precision plastic molding solutions. His work at the company has allowed him to implement advanced technologies into manufacturing processes, further enhancing product quality and efficiency.

Collaborations

Throughout his career, Dennis has collaborated with talented individuals, including Randall S. Brown and Len Zabinko. These partnerships have likely contributed to the innovation and refinement of his inventions, as collaboration often leads to greater creative breakthroughs.

Conclusion

Dennis R. Spina's work continues to impact the industry through his inventive spirit and practical solutions. His latest patents in blow molding and compression molding showcase his capability to address complex challenges in manufacturing, reinforcing the importance of innovation in this field.