Tube element with one metal bellows

Details Tube element with one metal bellows Tube element with one metal bellows

1998-09-22

2000-05-16

Hook, James

Pipes and tubular conduits

Flexible

Corrugated

138109, 138131, 138135, 181228, 181282, F16L 1116

Patent

active

060622687

ABSTRACT:
A tube element especially for exhaust systems and exhaust recirculation systems of combustion engines in vehicles which includes at least one helically or annularly corrugated bellows provided with cylindrical end fittings on each end of the bellows; a flexible hose made of metal and situated on an interior surface of the bellows; and a braiding hose made of metal wire which coaxially encloses an exterior surface of the bellows. The braiding hose being placed on the cylindrical end fittings together with the flexible hose so that the flexible hose and the braiding hose are connected firmly and at least indirectly. The braiding hose is installed in a state of pre-setting so that the braiding hose has a reduced radial cross-section which in frictional contact with the exterior surface of the bellows.

REFERENCES:
patent: 3773087 (1973-11-01), Katayama
patent: 3862878 (1975-01-01), Azuma
patent: 4315558 (1982-02-01), Katayama
patent: 4674171 (1987-06-01), DeCell et al.
patent: 5660419 (1997-08-01), Kim
patent: 5813438 (1998-09-01), Reed
patent: 5819807 (1998-10-01), Reed
patent: 5901754 (1999-05-01), Elasse et al.

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