Raymond Sp Leung

Title: Innovations of Raymond Sp Leung in Circular-Knit Elastic Fabric

Introduction

Raymond Sp Leung is a notable inventor based in Hong Kong, CN. He has made significant contributions to the field of textile engineering, particularly in the development of innovative fabrics. His work focuses on creating advanced materials that meet specific performance criteria.

Latest Patents

Leung holds a patent for a "Method to make circular-knit elastic fabric comprising spandex and hard yarns." This invention describes a circular-knit, elastic, single-knit jersey fabric made from spun and/or continuous filament hard yarns, with bare spandex plated in every course. The fabric boasts a cover factor ranging from 1.3 to 1.9, a basis weight between 140 to 240 g/m, an elongation of 60% or more, and low shrinkage. The production process involves maintaining the draft of the spandex at or below 2× (100% elongation) and ensuring that the finishing and drying temperatures remain below the spandex heat set temperature. This innovative knit fabric meets end-use specifications without the need for heat setting.

Career Highlights

Leung is associated with Invista North America S.a.r.l., a company known for its expertise in fiber and textile technologies. His work at Invista has allowed him to push the boundaries of fabric innovation, contributing to advancements in the textile industry.

Collaborations

Throughout his career, Leung has collaborated with notable colleagues, including Graham H Laycock and Elizabeth Todd Singewald. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in fabric development.

Conclusion

Raymond Sp Leung's contributions to the field of textile innovation, particularly through his patented methods for creating advanced circular-knit elastic fabrics, highlight his role as a significant inventor in the industry. His work continues to influence the development of high-performance textiles.