The process using spin-moulding machine was originally invented by Australia and patented as “ROCLA”. The concrete pipe made by this method can be of any size and yield more accurate dimensions and achieve relatively more concrete compaction. The entire machinery being easily can be installed at any place quite conveniently, whether it is a permanent factory premises or some temporary site in this field. This Process has been used with tremendous success in Japan, Europe and Africa popularizing a world-over owning to its uniqueness simplicity.
