John L Allen, Jr

Title: John L Allen, Jr: Innovator in Elastic Composite Yarns

Introduction

John L Allen, Jr is a notable inventor based in Greensboro, NC (US). He has made significant contributions to the field of textile engineering, particularly in the development of elastic composite yarns. With a total of 3 patents to his name, Allen's work has had a lasting impact on the textile industry.

Latest Patents

Allen's latest patents focus on methods for making elastic composite yarns. These methods provide a way to create composite yarns that feature a filamentary core, which includes at least one elastic performance filament and at least one inelastic control filament. The yarn is surrounded by a fibrous sheath, typically made from spun staple fibers, which enhances its properties. The elastic performance filament often includes materials such as spandex or lastol, while the inelastic control filament is usually formed from textured polymers or copolymers. These innovations are particularly useful in creating woven textile fabrics, especially stretch denim, which demonstrates an elastic recovery of at least about 95.0% according to ASTM D3107.

Career Highlights

Throughout his career, John L Allen, Jr has worked with prominent companies in the textile industry, including Cone Denim LLC and The Lycra Company UK Limited. His expertise in developing innovative yarns has positioned him as a key figure in advancing textile technology.

Collaborations

Allen has collaborated with notable professionals in his field, including Ralph B Tharpe, Jr and Fulton A Little. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

John L Allen, Jr is a distinguished inventor whose work in elastic composite yarns has significantly influenced the textile industry. His innovative methods and collaborations continue to pave the way for advancements in textile engineering.