초록

The present invention relates to a multilayer flexible hose, preferably for fuel or coolant lines in an automotive vehicle, comprising a support layer and a metallic barrier layer which is fixedly connected to said support layer, and to a method of producing the same.

대표청구항 ▼

1. A multilayer flexible hose, comprising a support layer and a profiled metallic barrier layer which is fixedly connected to said support layer, the support layer being made of rubber and the barrier layer having a layer thickness between 0.1 mm and 0.5 mm, wherein a compensation layer is provided

1. A multilayer flexible hose, comprising a support layer and a profiled metallic barrier layer which is fixedly connected to said support layer, the support layer being made of rubber and the barrier layer having a layer thickness between 0.1 mm and 0.5 mm, wherein a compensation layer is provided between an interior layer and the barrier layer, the compensation layer having an amplitude following the profile of the barrier layer and a smooth inner side.2. A multilayer flexible hose according to claim 1, wherein the support layer is made of synthetic rubber.3. A multilayer flexible hose according claim 1, wherein the barrier layer is in full-area contact with the support layer and/or a neighbouring layer.4. A multilayer flexible hose according to claim 1, wherein the barrier layer is made of aluminium.5. A multilayer flexible hose according claim 1, wherein the barrier layer is made of pure Al 99.5.6. A multilayer flexible hose according to claim 1, wherein a reinforcement layer is provided.7. A multilayer flexible hose according to claim 6, wherein the reinforcement layer borders on the support layer.8. A multilayer flexible hose according to claim 6, wherein the reinforcement layer is made of a synthetic fabric.9. A multilayer flexible hose according to claim 6, wherein the reinforcement layer is made of a polyaramid fabric.10. A multilayer flexible hose according to claim 1, wherein an outer cover layer made of a flexible synthetic material is provided.11. A multilayer flexible hose according to claim 10, wherein the outer cover layer is made of synthetic rubber.12. A multilayer flexible hose according to claim 10, wherein the cover layer borders on the reinforcement layer.13. A multilayer flexible hose according to claim 10, wherein the support layer and the cover layer have essentially the same layer thickness.14. A multilayer flexible hose according to claim 1, wherein the support layer has a layer thickness between 0.6 mm and 1.5 mm.15. A multilayer flexible hose according to claim 10, wherein the cover layer has a layer thickness between 1 mm and 1.5 mm.16. A multilayer flexible hose according to claim 1, wherein the barrier layer is arranged between an interior layer and the support layer.17. A multilayer flexible hose according to claim 1, wherein the interior layer is made of a polymeric synthetic material.18. A multilayer flexible hose according to claim 1, wherein the interior layer is made of polyamide.19. A multilayer flexible hose according to claim 10, wherein the layer thickness of the interior layer is smaller than the layer thickness of the cover layer.20. A multilayer flexible hose according to claim 10, wherein the interior layer has a layer thickness which is, at most, half the layer thickness of the cover layer.21. A multilayer flexible hose according to claim 1, wherein the interior layer has a layer thickness of 0.5 mm.22. A multilayer flexible hose according to claim 1, wherein the compensation layer is a thermoplastic polymer layer.23. A method of producing a multilayer flexible hose according to claim 1, wherein the barrier layer is applied in the form of a rolled foil.24. A multilayer flexible hose according to claim 1, in combination with an automotive vehicle, wherein the hose is used for at least one of a fuel line and a coolant line.