Location History:
- Montreuil, FR (2017 - 2019)
- Moissy-Cramayel, FR (2020)
Company Filing History:
Years Active: 2017-2020
Title: Yvan Rappart: Innovator in Lost-Wax Casting Technology
Introduction
Yvan Rappart is a notable inventor based in Montreuil, France. He has made significant contributions to the field of manufacturing, particularly through his innovative methods in lost-wax casting. With a total of 3 patents to his name, Rappart's work has advanced the production of complex metal components.
Latest Patents
Rappart's latest patents include a method for manufacturing a component using the lost-wax casting method with directed cooling. This method allows for the creation of metal components, such as those made from nickel alloy, featuring a columnar or monocrystalline structure with at least one cavity of elongate shape. The process involves creating a wax model of the component, forming a ceramic core, and gradually cooling the poured metal to ensure solidification.
Another significant patent is for a stack molding pattern and improved shell for manufacturing aircraft turbine engine blades via lost-wax casting. This innovation includes a plurality of shell blade elements designed for producing blades, with wire elements arranged within the shell. The design also features a metal feeder with multiple outlets, ensuring efficient metal flow while protecting sensitive components from direct metal impact.
Career Highlights
Throughout his career, Rappart has worked with prominent companies in the aerospace sector, including Safran Aircraft Engines and Snecma. His experience in these organizations has allowed him to refine his expertise in manufacturing technologies and contribute to the development of advanced engineering solutions.
Collaborations
Rappart has collaborated with several professionals in his field, including Christelle Berthelemy and Benoît Georges Jocelyn Marie. These partnerships have fostered innovation and enhanced the quality of his work.
Conclusion
Yvan Rappart's contributions to lost-wax casting technology exemplify his commitment to innovation in manufacturing. His patents reflect a deep understanding of complex engineering processes, making him a valuable figure in the industry.