Static structures (e.g. – buildings) – Preassembled subenclosure or substructure section of unit or...
Reexamination Certificate
2000-04-14
2001-12-11
Chilcot, Richard (Department: 2167)
Static structures (e.g., buildings)
Preassembled subenclosure or substructure section of unit or...
C052S232000
Reexamination Certificate
active
06327821
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention is related to the structure of a fire-proof refuge shelter and in particular to one which can protect one from being injured by fire if he cannot escape through a window or a top ladder.
2. Description of the Prior Art
It is often known that many people die of suffocation and flames in a building, especially in a large and high building. In order to survive the toxic environment associated with fires, victims need to reach breathable air in minute. Hence, there are known fire alarms for used for giving warning signals to the people in a building. However, such alarms are simply apparatuses for giving a warning of a danger and cannot keep people from danger. Further, people may be too panic to properly operate fire escape equipment in case fire.
Therefore, it is an object of the present invention to provide a fire-proof refuge shelter which can protect people from danger in fire accidents.
SUMMARY OF THE INVENTION
This invention is related to the structure of a fire-proof refuge shelter and in particular to one which can protect one from being injured by fire if he cannot escape through a window or a top ladder.
It is the primary object of the present invention to provide a fire-proof refuge shelter which includes a plurality of partition walls joined together by bolts and screws to form a closed box provided with a pair of sliding doors, characterized in that: each of the partition walls being made of a surface layer, an intermediate heat-resistant layer and an inner heat-resistant cement layer, the surface layer being made of fire-proof glass fiber or calcium silicate or mineral fiber, the inner heat resistant layer being a fire-proof sound absorbing board made of lightweight bone concrete or made by solidation of heat resistant concrete, and the intermediate heat resistant sand layer being made of non-combustible clay, silicon stone or substance primarily consisting of carbon, whereby oxygen tanks, flashlights and so on are arranged inside the shelter for people who waits for rescue.
The foregoing object and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts. Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
REFERENCES:
patent: 4174711 (1979-11-01), Laing
patent: 6119411 (2000-09-01), Mateu Gil et al.
patent: 3735222 (1989-04-01), None
patent: 1496516 (1977-12-01), None
patent: 2067639 (1981-07-01), None
patent: 2200666 (1988-08-01), None
patent: 2-911367 (1988-09-01), None
A & J
Chilcot Richard
LandOfFree
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