Accident resistant transport container

Claim 1

An accident resistant container for shipping materials such as plutonium comprising a tubular steel housing, a metal load spreading tube of shorter length than said housing concentrically disposed within the housing and spaced therefrom having upper and lower end portions inset with respect to corresponding end portions of said housing, a first metal disk inset with respect to the lower end of said tube to provide a projecting skirt portion and secured to the tube forming a bottom support, a metal heat conductor member within said load spreading tube and spaced therefrom with a lower end portion secured to said first disk and projecting upwardly therefrom having an open upper end terminating within said metal tube for positioning and retaining therein a vessel with material such as plutonium therein, a second metal disk inset with respect to the upper end of said tube forming a tube closure and providing a projecting skirt portion, an annular wood filler intermediate said housing and load spreading tube, lower and upper wood fillers having end portions projecting into and abutting against respective of said metal disks and filling respective lower and upper end portions of said load spreading tube and central portions of said annular wood filler, an additional annular wood filler intermediate said load spreading tube and heat conducting member, and lower and upper wood fillers having end portions abutting respective of said metal disks to position said vessel and filling central portions of said additional annular wood filler.