Apparatus for coating material with metal

Claim 1

AN APPARATUS FOR ENCAPSULATING HIGH ENERGY PROPELLANT PARTICLES IN METAL COMPRISING IN COMBINATION A HOUSING, A CLOSURE FOR SAID HOUSING TO PROVIDE ACCESS TO THE INTERIOR OF THE HOUSING, MEANS FOR EVACUATING THE INTERIOR OF SAID HOUSING, A RESISTANCE FURNACE MOUNTED IN SAID HOUSING, A CRUCIBLE MOUNTED IN SAID RESISTANCE FURNACE, SAID CRUCIBLE INCLUDING A LOWER BASE AND SIDE WALL MEANS, AND OUTLET TUBE EXTENDING UP THROUGH SAID BASE TO A LEVEL HIGHER THAN THE LIQUID LEVEL OF THE METAL TO BE MELTED IN THE CRUCIBLE, SAID OUTLET TUBE CONCENTRIC WITH AND IN SPACED RELATION TO THE SIDE WALL MEANS OF SAID CRUCIBLE, AND COLLIMATING MEANS POSITIONED BELOW SAID OUTLET TUBE AND DEFINING A PATH IN VERTICAL ALIGNMENT THEREWITH FOR SUBSTANTIALLY CONFINING THE VAPORIZED METAL LEAVING SAID CRUCIBLE TLHROUGH SAID OUTLET TUBE TO A RELATIVELY