The plastic composite material(1) has a gas barrier layer comprising an aluminum foil(2) coated on one or both sides with a plastic layer(3,4). Aluminum foil thickness is 10-100, preferably 20-30 microns and mean extension at break is 15-25%. The tank may ...

The crash box is fabricated from a semi-finished sheet metal part (1), which is bent and/or folded into a multiple chamber profile, esp. a double chamber profile. Open sides and/or butt-jointed segments of the profile are closed esp. by welding, riveting, ...