2023年7月25日发(作者：)

专利内容由知识产权出版社提供专利名称：Rapidly forming complex hollow shapesusing lost wax investment casting发明人：Shaikh, Furqan Zafar,Stoll, BryanChristopher,Schim, Joseph Carl,Corey, NealJames申请号：EP98310605.5申请日：19981222公开号：EP0924008B1公开日：20030910摘要：A method of repetitively forming rapid prototype metal castings that are fullydurable and functional metal parts of a complex shape, comprising the steps of: (a)making an assembly (10) of resin-bonded particulate cores (11,12,13) spaced from eachother, one core arcuately encompassing at least one end of another core to define atleast one hidden space (31,32) therebetween; (b) making an easily machined die set (18)to receive and support said assembly (10) of cores in spaced relation for defining acasting cavity (34) around and between said cores, including said at least one hiddenspace (31,32); (c) injecting fluidised wax into said cavity (34) under a controlled sustainedpressure to fill said cavity without entrapping gases and to form a wax pattern (37) forthe casting; (d) using said wax pattern (37) with said assembly (10) of cores therein toform a shell mould (40) thereabout and thence draining the wax from the mould topermit a metal casting (43) to be formed in place of the wax pattern (37) with theassembly (10) of cores still in place, and (e) removing from the casting all of theparticulate cores (11,12,13) in said casting by reversing the bond between said coreparticles to form a collection of particles that is freely flowable under gravity.

申请人：FORD GLOBAL TECH INC地址：US国籍：US代理机构：Messulam, Alec Moses更多信息请下载全文后查看