An airbag module is disposed in the vehicle seat as an anti-submarining airbag module that includes an inflator, or a connection therefor, a tubular airbag, the two free ends of which are folded over at least once transversely relative to the longitudinal direction of the airbag to form loops, and wherein...http://www.google.es/patents/US7090246?utm_source=gb-gplus-sharePatente US7090246 - Anti-submarining airbag module