초록 ▼

Plutonium powders are stored in stainless steel canisters with stainless steel lids. The stainless steel canisters are extruded and have no interior welds. Each canister includes a vent with an integral HEPA filter. The canisters are of various capacities and nest, one within another, when not used

Plutonium powders are stored in stainless steel canisters with stainless steel lids. The stainless steel canisters are extruded and have no interior welds. Each canister includes a vent with an integral HEPA filter. The canisters are of various capacities and nest, one within another, when not used for storage.

대표청구항 ▼

[ What is claimed is:] [1.] A canister for containing hazardous material, the canister comprising:a seamless canister body of a first thickness, the canister body having a mouth defined by a rolled edge with a depending annular lip;a collar having second thickness greater than the first thickness an

[ What is claimed is:] [1.] A canister for containing hazardous material, the canister comprising:a seamless canister body of a first thickness, the canister body having a mouth defined by a rolled edge with a depending annular lip;a collar having second thickness greater than the first thickness and being welded to the annular lip, the collar having an external helical thread formed therein;a lid having a plate portion and a depending rim portion, the depending rim portion having internal threads for threadably engaging the threads of the collar for retaining the lid on the canister body;an annular gasket disposed on the lid for sealing with the rolled edge defining the mouth of the container; anda filter assembly integral with the lid.