Defense system for an anti-intrusion area

摘要

A protection device against intrusion of a zone including at least one bag firmly affixed to at least one support, the bag having a flexible envelope inflatable by at least one gas or fluid generator triggered by control means. Upon inflation of the flexible envelope, the envelope spreads apart above the support to subtend a substantially cylindrical volume having an axis substantially parallel to the support and of dimensions adequate to constitute a barrier to hamper advance toward the zone protected by the device.