Patent ID: 8381454
Filing Date: 2013-02-26
Classification: A01K,E04H

Abstract:
1. An improved, low cost, semi-permanent, rigid, double-walled, modularly expandable, light-weight, man-portable, field-erectable, structure having a multi-use interior useful space, comprising in assembled use combination: a) at least one end portion structure which is a semi-circle in plan view, said end portion comprising, b) at least one straight section structure comprising a plurality of modular segments, each segment comprising: c) the diameter of said end portion semi-circle is substantially equal to the span width of said straight section segment; and d) said end portion structure is positioned with its diameter aligned with the span width of said straight section segment structure and said end portion structure is joined to said first end of said straight section segment structure along adjoining wall panel and roof panel modules to provide a longhouse structure that is stadium-shaped as seen in plan view, and whose longitudinal length is expandable simply by adding segments to said straight section structural portion.