US Patent 7517213 Cooling system for the cooling of tool pieces

A cooling system for cooling tool parts. The system includes at least one base system including a fluid guided from a fluid inlet through connector lines to a fluid outlet. The tool parts are connected in the direction of through-flow between at least one connector line connected to the fluid inlet and at least one connected to the fluid outlet, wherein, between the at least one connector line connected to the fluid inlet and the at least one connector line connected to the fluid outlet, at least one additional connector line and tool parts which are in flow communication therewith are placed in between such that, on its flow path, the fluid flows through at least two tool parts one after the other.