Patent ID: 9732548
Date: 2017-08-15
CPC Classifications: B29C,B29L,E04B,E04H,E05G

Claim:
1. A modular safe room, comprising: a plurality of wall/floor panels in connection with each other forming four walls and a floor, wherein each wall/floor panel comprises a wall/floor panel inner surface, a wall/floor panel outer surface and four wall/floor panel edges defined by the distance between the wall/floor panel inner surface and the wall/floor panel outer surface, wherein each of the four walls and the floor comprise after connection four exposed wall/floor panel edges; a plurality of frame elements attached to the exposed wall/floor panel edges of the four walls and floor, wherein each frame element comprises a first element and a second element disposed at a 90 degree angle to each other, a first element inner surface and a second element outer surface, a first element attachment edge, a second element attachment edge, two first element abutment edges and two second element abutment edges; and a plurality of cubic corner pieces disposed at each of the corners where the walls meet the floor, wherein each wall/floor panel edge, first element attachment edge and second element attachment edge comprises a tongue element extending outwardly and a slot adjacent each tongue element, wherein each tongue element comprises two lips extending from opposite edges of the tongue element, wherein the tongue elements and slots are substantially identical to each other, wherein the tongue elements and slots of the frame edges are attached to the tongue elements and slots of the exposed wall/floor panel edges of the four walls and floor by insertion of the tongue elements into the slots on the exposed wall/floor panel edges of the four walls and the floor.