Patent ID: 6524421
Filing Date: 2003-02-25
Classification: B01D,B22F,B29C,B29L,B30B,B32B,C01B,C04B,Y10T

Abstract:
A cold isopressing method comprising:isopressing at least first and second layers of material within an isopressing mold by hydrostatic pressure applied to the isopressing mold, thereby to laminate said at least first and second layers and to compact the at least first layer; the mold being of cylindrical configuration and having a mandrel so that each of the at least first and second layers is of cylindrical, tubular configuration; and the at least first layer being introduced into the isopressing mold as a tape-cast film without pore formers and the at least second layer, in contact with the at least first layer, being a granular form of a material containing the pore formers.