Company Filing History:
Years Active: 1999
Title: Robert Duncan Lapsley: Innovator in Post-Tensioning Technology
Introduction
Robert Duncan Lapsley is a notable inventor based in Raleigh, NC (US). He has made significant contributions to the field of engineering, particularly in post-tensioning technology. His innovative approach has led to the development of a unique apparatus that enhances the efficiency and effectiveness of post-tensioning methods.
Latest Patents
Lapsley's most recent patent is titled "Post-tensioning apparatus and method." This invention includes first and second body sections interconnected by an intermediate anchor head. Each body section features an end anchor head opposite the intermediate anchor head and includes a tendon with a pair of strands designed to be tensioned between the intermediate anchor head and the corresponding end anchor head. The strands are encapsulated in a mechanically interlocked duct, which is adapted to receive a bonding agent after the strands are tensioned. A passage near the end anchor head of the first body section allows for the insertion of grout, which can fill the duct of the first body section. The design also includes a tube that facilitates the passage of grout from the first body section to the second body section, ensuring both ducts can be filled efficiently.
Career Highlights
Lapsley is currently associated with VSL International Ltd, where he continues to innovate and develop new technologies. His work has been instrumental in advancing post-tensioning methods, which are crucial in construction and civil engineering projects. With a total of 1 patent, Lapsley has established himself as a key figure in his field.
Collaborations
Throughout his career, Lapsley has collaborated with notable colleagues, including John Richard Crigler and Donald Paul Kline. These partnerships have contributed to the development of innovative solutions in engineering.
Conclusion
Robert Duncan Lapsley is a distinguished inventor whose work in post-tensioning technology has made a significant impact on the engineering industry. His innovative patent demonstrates his commitment to advancing construction methods and improving structural integrity.