Patent ID: 6610230
Filing Date: 2003-08-26
Classification: B23P,B29C,B33Y

Abstract:
A method of making a copy of an object having a surface pattern comprising:a) placing said object within a walled enclosure having a closed bottom and open top and orientating said surface pattern on said object to face upwardly within the enclosure; b) pouring a ceramic slurry material into said enclosure to make a ceramic pattern object having a shaped cavity incorporating a reverse copy of said surface pattern; c) separating said ceramic pattern object from said object; d) selecting a plurality of elongated metal rod elements each having a cross-section and opposite ends; e) vertically introducing a sufficient quantity of elongated metal rod elements to fill the said shaped cavity on said ceramic pattern, each said elongated metal rod element having one end in contact against the surface of said shaped cavity, and each said elongated metal element being in longitudinal abutment with adjacent elongated metal elements defining spaces therebetween; f) introducing an infiltration agent into said shaped cavity and allowing said agent to permeate said spaces; g) allowing said infiltration agent to solidify into a copy of said object and separating said copy of said object from said ceramic pattern object.