(57) A hyperbaric chamber (3) presenting a main chamber (4), an air lock (5), and a floor
(6) flush with the outside floor (7). The hyperbaric chamber (3) presents rectangular
doors, of which a first (10) enables access to the main chamber (4), a second (11)
enables access to the air lock (5), and a third and fourth (12, 13) enable communication
between the main chamber (4) and the air lock (5). At least the first door (10) presents
a floor portion (21) which is lowered when opening and closing the door (10); and,
between the floor portion (21) and the threshold (19), there is provided a strip of
floor (22) which is also lowered when opening and closing the door (10), and which
remains lowered when the door (10) is closed.
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