Bellows for a passage between two articulated vehicles or of an air passenger stairs or bridge
AssigneeHübner GmbH & Co. KG
InventorsStefan Tatzel, Günther Krug, Rolf Bingemann
Life of this patent
Estimating the term…
Abstract
A bellows for a passage between two articulated vehicles or for an air passenger stair or bridge has a plurality of folds or waves arranged behind one another. A floor region has at least one inner jacket and at least one outer jacket spaced from the inner jacket. An intermediate layer is disposed between and spaced apart from the inner and outer and is fire-retardant.
Claims18
A bellows for a passage between two articulated vehicles or for an air passenger stair or bridge, the bellows having a plurality of folds or waves arranged behind one another, the bellows comprising:
- a floor region having at least one inner jacket and at least one outer jacket spaced from the at least one inner jacket, the floor region of the bellows surrounding a floor of a passage between two articulated vehicles or for an air passenger stair or bridge;
- and
- a one-piece intermediate layer between and spaced apart from the inner and outer jackets, the intermediate layer being fire-retardant.
A bellows for a passage between two articulated vehicles or for an air passenger stair or bridge, the bellows having a plurality of folds or waves arranged behind one another, the bellows comprising;
- a floor region having at least one inner jacket and at least one outer jacket spaced from the at least one inner jacket, the floor region of the bellows surrounding a floor of a passage between two articulated vehicles or for an air passenger stair or bridge;
- and
- an intermediate layer between and spaced apart from the inner and outer jackets, the intermediate layer being fire-retardant and having a fire-protection overlay or a fire-protection insert of a swelling material, wherein the fire-protection overlay or the fire-protection insert is adapted for swelling while forming an ash skeleton.
Dependencies are inferred from the claim text.