Dome-shaped shelter

Details Dome-shaped shelter Dome-shaped shelter

2011-05-10

2011-05-10

Chapman, Jeanette E (Department: 3633)

Static structures (e.g., buildings)

Means compensating earth-transmitted force

Relative motion means between a structure and its foundation

C052S080100

Reexamination Certificate

active

07937897

ABSTRACT:
The present invention proposes a dome-shaped shelter that has a seismic-isolation structure so as to reduce the shock effects of earthquakes and that is easy to construct. The dome-shaped shelter of the present invention is provided with (1) a dome affixed to a bottom board, and formed so as to surround an inside space with a floor, adjoining segments that form a wall, and adjoining segments that form a ceiling, all of which are made of expanded polystyrene, and (2) as an appropriate place for the dome, an improved ground that consists of a circular hole that is dug in ground to a predetermined depth and then packed with identical spheres. Said dome is slidably placed on said improved ground. The spheres of said improved ground are preferably cobblestones or made of hard rubber.

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patent: 2004-211444 (2004-07-01), None
patent: 2005-315025 (2005-11-01), None

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