Scharnierbaar verbindingsorgaan voor koppeling van bouwpanelen

The sides of the device for securing to the panels (2, 3) each comprise a separate coupling piece (7, 8) for fixing to the panel. The hinge (6) is releasably connected to each coupling piece. Independent claims also included for combinations of the hinge devices and construction panels, used to form a drop-down external wall of a building or emergency shelter or accommodation, e.g. a field hospital