초록

A prefabricated storm shelters that can be easily repositioned and assembled while providing safe, secure shelter before, during and after a catastrophic event are described, as well as a method to mfr. them.

대표청구항 ▼

What is claimed is: 1. An apparatus comprising: a horizontally extending housing comprised of connected tubular concrete modules that define a space each having a floor portion, side wall portions, a sub-floor bilge compartment and a ceiling portion, with entry and exit means in at least one said m

What is claimed is: 1. An apparatus comprising: a horizontally extending housing comprised of connected tubular concrete modules that define a space each having a floor portion, side wall portions, a sub-floor bilge compartment and a ceiling portion, with entry and exit means in at least one said module; end unit modules that enclose said space; tensed cables running longitudinally across all said modules in order to secure the modules to each other by means of longitudinal compression; a flexible seal between said modules that provide for an air and water tight seal; said modules having a specific mass as to provide the complete assembly with positive buoyancy characteristics when immersed in water: and a keel assembly that provides self-righting capabilities.