Veikko Räisänen

Title: Veikko Räisänen: Innovator in Small-Charge Blasting Technology

Introduction

Veikko Räisänen is a notable inventor based in Nokia, Finland. He has made significant contributions to the field of rock drilling and blasting technology. With a total of two patents to his name, Räisänen's work focuses on improving the efficiency and safety of small-charge blasting methods.

Latest Patents

Räisänen's latest patents include a "Method and apparatus for small-charge blasting" and a "Method and equipment for small-charge blasting." The first patent describes a method where a rock drilling unit is used to drill a hole into the material to be excavated. After drilling, propellants are fed into the hole, which is then sealed and ignited to generate high gas pressure, causing fractioning in the material. The second patent outlines a similar process, emphasizing the use of a cartridge feed station that is separate from the rock drilling machine, allowing for efficient feeding of propellant cartridges.

Career Highlights

Veikko Räisänen is currently employed at Sandvik Mining and Construction Oy, a company known for its innovative solutions in the mining and construction sectors. His work at Sandvik has allowed him to develop and refine his patented technologies, contributing to advancements in the industry.

Collaborations

Räisänen collaborates with his coworker, Erkki Ahola, to further enhance the development of blasting technologies. Their combined expertise has led to innovative solutions that address the challenges faced in rock drilling and excavation.

Conclusion

Veikko Räisänen's contributions to small-charge blasting technology demonstrate his commitment to innovation in the mining industry. His patents reflect a deep understanding of the complexities involved in rock drilling and excavation processes.