Patent ID: 8501067

Claim:
Method for producing a mould element provided with a conduit arrangement through which a cooling fluid can flow, said mould element having a forming surface for forming a portion of an object, said conduit arrangement extending inside said mould element so that the portion of the object formed in contact with the forming surface can be cooled by the cooling fluid flowing in said conduit arrangement, said method comprising the following steps: providing a first component and a second component of said mould element, said first component being provided with a precursor arrangement of said conduit arrangement, said precursor arrangement comprising an open channel arrangement; joining said first component and said second component, so that a surface of said second component faces said open channel arrangement, thereby defining said conduit arrangement at an interface between said first component and said second component, wherein the step of joining comprises making integral said first component with said second component by means of a third component formed in contact with said first component and with said second component in an auxiliary mould.