FLEXIBLE BOX UNIT Russian patent published in 2001 - IPC

FIELD: construction engineering; collapsible building structures. SUBSTANCE: flexible box unit has longitudinal wall members hinged to panel halves of floor and ceiling, those of transversal walls, and intermediate structural member hinged to panel halves of floor. Hinges between longitudinal walls and panel halves of ceiling are mounted at intersection of their inner surfaces and those between panel halves of floor, at intersection of their external surfaces. Panel halves of transversal walls are joined to block constructions on one abutting side only. EFFECT: reduced labor consumption for unit transportation and shaping. 4 cl, 20 dwg