A multi-layer inner tube for a vehicle wheel, the multi-layer inner tube including an inner layer that is in contact with a gaseous filling of the inner tube; and an outer layer that differs from the inner layer, wherein the outer layer is in contact with an exterior environment of the inner tube, and wherein the inner layer and the outer layer are made from a thermoplastic polyurethane; and an intermediary layer made from an ethylene vinyl alcohol copolymer arranged between the inner layer and the outer layer.

The invention relates to a toroidal inner tube (30, 130). The invention is characterized by the fact that the inner tube (30, 130) is in the form of a flexible corrugated tube (40, 140) that is curved to form a closed loop, the tube comprising alternating crest rings (46, 146) and trough rings (48, 148), the tube presenting a radius (R) and, when measured in a plane perpendicular to the axis of the tube, the radial thickness of at least one of the crest rings is less than the radial thickness of at least one of the trough rings (48, 148).

The invention relates to a toroidal inner tube (30, 130). The invention is characterized by the fact that the inner tube (30, 130) is in the form of a flexible corrugated tube (40, 140) that is curved to form a closed loop, the tube comprising alternating crest rings (46, 146) and trough rings (48, 148), the tube presenting a radius (R) and, when measured in a plane perpendicular to the axis of the tube, the radial thickness of at least one of the crest rings is less than the radial thickness of at least one of the trough rings (48, 148).

Embodiments disclosed herein include multilayer blown films having a cling layer and a release layer, wherein the cling layer comprises (i) an ethylene/alpha-olefin elastomer, and (ii) a polyethylene polymer selected from ultra-low density polyethylene, a very low density polyethylene, or combinations thereof, and the release layer comprises an ethylene/alpha-olefm resin.

Embodiments disclosed herein include multilayer blown films having a cling layer and a release layer, wherein the cling layer comprises (i) an ethylene/alpha-olefin elastomer, and (ii) a polyethylene polymer selected from ultra-low density polyethylene, a very low density polyethylene, or combinations thereof, and the release layer comprises an ethylene/alpha-olefm resin.

Valve for an inflatable flexible tube section comprising a tubular shaft, and also a valve base, connected adhesively and around the entire periphery to an end of the shaft, wherein the valve base has been manufactured from a thermoplastic polyurethane.

Valve for an inflatable flexible tube section comprising a tubular shaft, and also a valve base, connected adhesively and around the entire periphery to an end of the shaft, wherein the valve base has been manufactured from a thermoplastic polyurethane.