druckkontrollierbares doppelwandsystem with breakthrough and optional rohranbindung

摘要

doppelwandsystem (1) with an inner (2) and outer wall (3) limited cavity (4), characterised by a at their ends (5, 6) closed, with its first end (5) of the outer wall (3) and its second end (6) of the inner tube (2) breakthrough (7) and a montagezustand (8) in which the tube (7) of the cavity (4) closed and, at their ends (5, 6) is open.and a condition (9), in which the tube (7) of the cavity (4) is opened, and at their ends (5, 6) is locked.