Composite hose with a corrugated metal tube

Details Composite hose with a corrugated metal tube Composite hose with a corrugated metal tube

2006-08-08

2006-08-08

Brinson, Patrick (Department: 3754)

Pipes and tubular conduits

Flexible

Corrugated

C138S137000, C138S139000, C138S122000, C138S143000

Reexamination Certificate

active

07086419

ABSTRACT:
A composite hose is provided with a corrugated metal tube as a barrier layer against permeation of conveyed fluid, and an elastic filler layer which is filled in valley gaps between corrugation hills on an outer peripheral side of the corrugated metal tube. The elastic filler layer is filled completely in the valley gaps to tops of the corrugation hills. A radial thickness of the elastic filler layer measured radially outwardly from a radial position of the tops of the corrugation hills is designed 0.3 mm or less.

REFERENCES:
patent: 3580289 (1971-05-01), James et al.
patent: 4369992 (1983-01-01), Fournier et al.
patent: 4384595 (1983-05-01), Washkewicz et al.
patent: 4429290 (1984-01-01), Devan
patent: 4758029 (1988-07-01), Davis
patent: 5601893 (1997-02-01), Strassel et al.
patent: 6354332 (2002-03-01), Burkhardt et al.
patent: 2004/0020545 (2004-02-01), Takagi et al.

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