Patent ID: 6827178
Filing Date: 2004-12-07
Classification: A61F,B29C,B29L,B33Y,H04R

Abstract:
An apparatus for manufacturing individualized ear device shells comprising a support for powder or liquid material, a source arrangement generating in the powder or liquid material at said support a spot of increased energy, a control arrangement controlling a location of said spot to move along at least two different first paths in said material in a first cycle and subsequently along at least two different second paths substantially along said first paths in a second cycle, wherein one of said at least two second paths is adjacent to one of said at least two first paths and said one of said at least two second paths is disposed upon said one of said first paths and further wherein another of said at least two second paths is adjacent to another of said at least two first paths and said other of said at least two second paths is disposed upon said other of said first paths.