METHOD FOR MANUFACTURING A COMPOSITE COMPONENT OF A TIMEPIECE OR OF A JEWELRY PART, AND COMPOSITE COMPONENT OBTAINABLE BY SUCH METHOD
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United States of America Patent
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Nov 17, 2016
app pub date -
Apr 11, 2016
filing date -
May 13, 2015
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Abstract
A method for manufacturing a composite component of a timepiece or of a jewelry part, the composite component including a porous ceramic part and a metallic material filling the pores of the ceramic part, including providing a porous ceramic preform of the component, providing a metallic material, heating the metallic material to a temperature higher than the melting point of the metallic material, filling the pores of the ceramic preform with the molten metallic material, cooling the metallic material and the ceramic preform to obtain a solidified metallic material in the pores of the ceramic preform, and applying finishing treatments to obtain the composite component, wherein the porous ceramic preform consists essentially of a material selected from the group consisting of Si3N4, SiO2 and mixtures thereof, and the metallic material is gold, platinum, palladium metals or alloys of these metals.
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