METHOD FOR MANUFACTURING A YARN OF PRECIOUS METAL, APPARATUS, COMPOSITE YARN AND FRAME

摘要

The present invention relates to a method for manufacturing a yarn of a precious metal, such as gold, platinum, copper and the like, comprising the step of vacuum-depositing a precious metal on a base core and then extracting said core in order to obtain the yarn of precious metal suitable for weaving. The present invention further refers to the apparatus for carrying out such method, to the composite yarn obtained as intermediate product of the manufacturing method, and to the yarn of precious metal obtained through the above method.