Title: Enclosure for confining radio-active products or waste

Abstract: An enclosure for confining radio-active products or waste comprising a fluid-tight underground rigid supporting outer shell of reinforced concrete opening to the outside through a reinforced concrete chimney, an innermost vessel for containing said radioactive products or waste, surrounded by said shell and made from thin corrugated stainless steel sheet material, an intermediate vessel made from thin corrugated stainless steel sheet material, located between said shell and innermost vessel and surrounding the latter, means for cooling said vessels through fluid flow circulation by natural convection within ducts adjacent to at least one of said vessels and means for feeding and/or discharging said radio-active products or waste into or from said innermost vessel.

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Inventors: Alleaume, Jean (Saint Cloud, FR)

Application Number: 422415
Filing Date: 1973-12-06
Publication_date: 1976-01-20
Assignee: Technigaz (Paris, FR)
Primary Class(es): 250/506.1 250/515.1, 250/517.1, 976/DIG388
Other Classes:
US Patent Ref:

3046403	Jul, 1962	Montgomery	250/507.
3663817	May, 1972	Sayers	250/506.

Other Refs:
Primary Examiner: Lawrence, James W.
Assistant Examiner: Willis, Davis L.
Attorney: Kenyon, Kenyon Reilly Carr & Chapin