Receptacles – Receptacle having flexible – removable inner liner – Means for venting air trapped between the liner and its...
Patent
1991-09-12
1995-07-11
Castellano, Stephen J.
Receptacles
Receptacle having flexible, removable inner liner
Means for venting air trapped between the liner and its...
220645, 220455, 2505071, B65D 2514
Patent
active
054312957
ABSTRACT:
A module for the storage of nuclear waste packages from a nuclear power plant is disclosed comprising a concrete precast container with sidewalls and a bottom, a concrete precast lid removably disposed on upper edges of the sidewalls to close the container, and a cylindrical one-piece seamless liner abutting and covering the interior surface of the container. The liner is provided with anchor elements formed integral with the liner that extend along outside surfaces of the liner sidewalls and bottom wall, and the anchor elements are embedded within the concrete precast sidewalls on the container. The anchor elements are provided by a plurality of ribs which can be T-shaped or dovetail shaped in cross-sectional area and may extend either longitudinally or circumferentially about the liner. The module is manufactured by first forming a one-piece seamless liner including the ribs on its outer surfaces, placing the liner in a mold for the module, and thereafter pouring concrete into the module mold to completely fill the space between the liner and the mold for embedding the ribs within the concrete. The integrally formed liner provides an additional barrier for nuclear wastes that is advantageously devoid of seams or weld joints. The manufacturing method of the invention insures a perfect, gapless fit between the liner and the concrete module.
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Castellano Stephen J.
Westinghouse Electric Corporation
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